polypeptide N-acetylgalactosaminyltransferase 6 [Mus musculus]
Protein Classification
polypeptide N-acetylgalactosaminyltransferase( domain architecture ID 11551826)
polypeptide N-acetylgalactosaminyltransferase catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||
| pp-GalNAc-T | cd02510 | pp-GalNAc-T initiates the formation of mucin-type O-linked glycans; UDP-GalNAc: polypeptide ... |
180-485 | 5.10e-166 | |||||
pp-GalNAc-T initiates the formation of mucin-type O-linked glycans; UDP-GalNAc: polypeptide alpha-N-acetylgalactosaminyltransferases (pp-GalNAc-T) initiate the formation of mucin-type, O-linked glycans by catalyzing the transfer of alpha-N-acetylgalactosamine (GalNAc) from UDP-GalNAc to hydroxyl groups of Ser or Thr residues of core proteins to form the Tn antigen (GalNAc-a-1-O-Ser/Thr). These enzymes are type II membrane proteins with a GT-A type catalytic domain and a lectin domain located on the lumen side of the Golgi apparatus. In human, there are 15 isozymes of pp-GalNAc-Ts, representing the largest of all glycosyltransferase families. Each isozyme has unique but partially redundant substrate specificity for glycosylation sites on acceptor proteins. : Pssm-ID: 133004 [Multi-domain] Cd Length: 299 Bit Score: 475.54 E-value: 5.10e-166
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| beta-trefoil_Ricin-like super family | cl49609 | ricin B-type lectin domain, beta-trefoil fold; The ricin B-type lectin domain is a ... |
495-622 | 2.64e-81 | |||||
ricin B-type lectin domain, beta-trefoil fold; The ricin B-type lectin domain is a carbohydrate-binding domain formed from presumed gene triplication. It shows a beta-trefoil fold characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain was originally found in Ricin, which is a legume lectin from the seeds of the castor bean plant, Ricinus communis. It is also found in many carbohydrate-recognition proteins like plant and bacterial AB-toxins, glycosidases, or proteases, which serve diverse functions such as inhibitory toxicity, enzymatic activity, and signal transduction. The ricin B-type lectin domain can be present in one or more copies and has been shown in some instances to bind simple sugars, such as galactose or lactose. The most characteristic, though not completely conserved, sequence feature is the presence of a Q-W pattern. Consequently, the ricin B-type lectin domain has also been referred as the (QxW)3 domain and the three homologous regions as the QxW repeats. A disulfide bond is also conserved in some QxW repeats. The actual alignment was detected with superfamily member cd23470: Pssm-ID: 483949 Cd Length: 128 Bit Score: 251.71 E-value: 2.64e-81
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| Name | Accession | Description | Interval | E-value | |||||
| pp-GalNAc-T | cd02510 | pp-GalNAc-T initiates the formation of mucin-type O-linked glycans; UDP-GalNAc: polypeptide ... |
180-485 | 5.10e-166 | |||||
pp-GalNAc-T initiates the formation of mucin-type O-linked glycans; UDP-GalNAc: polypeptide alpha-N-acetylgalactosaminyltransferases (pp-GalNAc-T) initiate the formation of mucin-type, O-linked glycans by catalyzing the transfer of alpha-N-acetylgalactosamine (GalNAc) from UDP-GalNAc to hydroxyl groups of Ser or Thr residues of core proteins to form the Tn antigen (GalNAc-a-1-O-Ser/Thr). These enzymes are type II membrane proteins with a GT-A type catalytic domain and a lectin domain located on the lumen side of the Golgi apparatus. In human, there are 15 isozymes of pp-GalNAc-Ts, representing the largest of all glycosyltransferase families. Each isozyme has unique but partially redundant substrate specificity for glycosylation sites on acceptor proteins. Pssm-ID: 133004 [Multi-domain] Cd Length: 299 Bit Score: 475.54 E-value: 5.10e-166
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| beta-trefoil_Ricin_GALNT6 | cd23470 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
495-622 | 2.64e-81 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 6 (GALNT6) and similar proteins; GALNT6 (EC 2.4.1.41), also called polypeptide GalNAc transferase 6, GalNAc-T6, pp-GaNTase 6, protein-UDP acetylgalactosaminyltransferase 6, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 6, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT6 may participate in the synthesis of oncofetal fibronectin. It has activity toward Muc1a, Muc2, EA2 and fibronectin peptides. GALNT6 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467348 Cd Length: 128 Bit Score: 251.71 E-value: 2.64e-81
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| Glycos_transf_2 | pfam00535 | Glycosyl transferase family 2; Diverse family, transferring sugar from UDP-glucose, ... |
180-363 | 8.65e-37 | |||||
Glycosyl transferase family 2; Diverse family, transferring sugar from UDP-glucose, UDP-N-acetyl- galactosamine, GDP-mannose or CDP-abequose, to a range of substrates including cellulose, dolichol phosphate and teichoic acids. Pssm-ID: 425738 [Multi-domain] Cd Length: 166 Bit Score: 134.83 E-value: 8.65e-37
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| Ricin_B_lectin | pfam00652 | Ricin-type beta-trefoil lectin domain; |
497-619 | 2.49e-29 | |||||
Ricin-type beta-trefoil lectin domain; Pssm-ID: 395527 [Multi-domain] Cd Length: 126 Bit Score: 112.63 E-value: 2.49e-29
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| RICIN | smart00458 | Ricin-type beta-trefoil; Carbohydrate-binding domain formed from presumed gene triplication. |
501-622 | 1.41e-20 | |||||
Ricin-type beta-trefoil; Carbohydrate-binding domain formed from presumed gene triplication. Pssm-ID: 214672 [Multi-domain] Cd Length: 118 Bit Score: 87.57 E-value: 1.41e-20
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| WcaA | COG0463 | Glycosyltransferase involved in cell wall bisynthesis [Cell wall/membrane/envelope biogenesis]; ... |
177-294 | 5.46e-20 | |||||
Glycosyltransferase involved in cell wall bisynthesis [Cell wall/membrane/envelope biogenesis]; Pssm-ID: 440231 [Multi-domain] Cd Length: 208 Bit Score: 88.61 E-value: 5.46e-20
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| PRK10073 | PRK10073 | putative glycosyl transferase; Provisional |
211-270 | 1.40e-06 | |||||
putative glycosyl transferase; Provisional Pssm-ID: 182223 [Multi-domain] Cd Length: 328 Bit Score: 50.81 E-value: 1.40e-06
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| Name | Accession | Description | Interval | E-value | |||||
| pp-GalNAc-T | cd02510 | pp-GalNAc-T initiates the formation of mucin-type O-linked glycans; UDP-GalNAc: polypeptide ... |
180-485 | 5.10e-166 | |||||
pp-GalNAc-T initiates the formation of mucin-type O-linked glycans; UDP-GalNAc: polypeptide alpha-N-acetylgalactosaminyltransferases (pp-GalNAc-T) initiate the formation of mucin-type, O-linked glycans by catalyzing the transfer of alpha-N-acetylgalactosamine (GalNAc) from UDP-GalNAc to hydroxyl groups of Ser or Thr residues of core proteins to form the Tn antigen (GalNAc-a-1-O-Ser/Thr). These enzymes are type II membrane proteins with a GT-A type catalytic domain and a lectin domain located on the lumen side of the Golgi apparatus. In human, there are 15 isozymes of pp-GalNAc-Ts, representing the largest of all glycosyltransferase families. Each isozyme has unique but partially redundant substrate specificity for glycosylation sites on acceptor proteins. Pssm-ID: 133004 [Multi-domain] Cd Length: 299 Bit Score: 475.54 E-value: 5.10e-166
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| beta-trefoil_Ricin_GALNT6 | cd23470 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
495-622 | 2.64e-81 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 6 (GALNT6) and similar proteins; GALNT6 (EC 2.4.1.41), also called polypeptide GalNAc transferase 6, GalNAc-T6, pp-GaNTase 6, protein-UDP acetylgalactosaminyltransferase 6, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 6, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT6 may participate in the synthesis of oncofetal fibronectin. It has activity toward Muc1a, Muc2, EA2 and fibronectin peptides. GALNT6 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467348 Cd Length: 128 Bit Score: 251.71 E-value: 2.64e-81
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| beta-trefoil_Ricin_GALNT3 | cd23468 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
494-621 | 3.98e-59 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 3 (GALNT3) and similar proteins; GALNT3 (EC 2.4.1.41), also called polypeptide GalNAc transferase 3, GalNAc-T3, pp-GaNTase 3, protein-UDP acetylgalactosaminyltransferase 3, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 3, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT3 has activity toward HIV envelope glycoprotein gp120, EA2, Muc2 and Muc5. It probably glycosylates fibronectin in vivo as well as FGF23. It plays a central role in phosphate homeostasis. GALNT3 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467346 Cd Length: 129 Bit Score: 193.87 E-value: 3.98e-59
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| beta-trefoil_Ricin_GALNT3-like | cd23435 | ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide ... |
495-622 | 1.09e-57 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide N-acetylgalactosaminyltransferase 3 (GALNT3)-like subfamily; The GALNT3-like subfamily includes GALNT3, GALNT4, GALNT6 and GALNT12. They act as GalNAc transferases (EC 2.4.1.41) that catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT3 has activity toward HIV envelope glycoprotein gp120, EA2, Muc2 and Muc5. It probably glycosylates fibronectin in vivo as well as FGF23. It plays a central role in phosphate homeostasis. GALNT4 shows highest activity towards Muc7, EA2 and Muc2, with a lower activity compared to GALNT2. It glycosylates 'Thr-57' of SELPLG. GALNT6 may participate in the synthesis of oncofetal fibronectin. It has activity toward Muc1a, Muc2, EA2 and fibronectin peptides. GALNT12 has activity toward non-glycosylated peptides such as Muc5AC, Muc1a and EA2, and no detectable activity with non-glycosylated Muc2 and Muc7. It displays enzymatic activity toward the Gal-NAc-Muc5AC glycopeptide, but no detectable activity to mono-GalNAc-glycosylated Muc1a, Muc2, Muc7 and EA2. It may play an important role in the initial step of mucin-type oligosaccharide biosynthesis in digestive organs. Members of this family comprise a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which are characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467313 [Multi-domain] Cd Length: 128 Bit Score: 189.85 E-value: 1.09e-57
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| Glycos_transf_2 | pfam00535 | Glycosyl transferase family 2; Diverse family, transferring sugar from UDP-glucose, ... |
180-363 | 8.65e-37 | |||||
Glycosyl transferase family 2; Diverse family, transferring sugar from UDP-glucose, UDP-N-acetyl- galactosamine, GDP-mannose or CDP-abequose, to a range of substrates including cellulose, dolichol phosphate and teichoic acids. Pssm-ID: 425738 [Multi-domain] Cd Length: 166 Bit Score: 134.83 E-value: 8.65e-37
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| Ricin_B_lectin | pfam00652 | Ricin-type beta-trefoil lectin domain; |
497-619 | 2.49e-29 | |||||
Ricin-type beta-trefoil lectin domain; Pssm-ID: 395527 [Multi-domain] Cd Length: 126 Bit Score: 112.63 E-value: 2.49e-29
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| beta-trefoil_Ricin_Pgant9-like | cd23462 | ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide ... |
498-621 | 4.36e-26 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide N-acetylgalactosaminyltransferase 9 (Pgant9) and similar proteins; The subfamily includes Pgant9 (also called pp-GaNTase 9, protein-UDP acetylgalactosaminyltransferase 9, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 9), Pgant4 (also called pp-GaNTase 4, N-acetylgalactosaminyltransferase 4, protein-UDP acetylgalactosaminyltransferase 4, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 4) and Pgant6 (also called pp-GaNTase 6, N-acetylgalactosaminyltransferase 6, protein-UDP acetylgalactosaminyltransferase 6, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 6). They function as GalNAc transferases (EC 2.4.1.41) that catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Pgant9 can both act as a peptide transferase that transfers GalNAc onto unmodified peptide substrates, and as a glycopeptide transferase that requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. Pgant4 and Pgant6 do not act as a peptide transferase, but instead requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. They prefer the diglycosylated Muc5AC-3/13 as a substrate. Pgant6 may have a role in protein O-glycosylation in the Golgi and thereby in establishing and/or maintaining a proper secretory apparatus structure. Members of this subfamily contain a ricin B-type lectin domain at the C-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain bears a potential sugar binding site. Pssm-ID: 467340 [Multi-domain] Cd Length: 126 Bit Score: 103.60 E-value: 4.36e-26
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| beta-trefoil_Ricin_GALNT4 | cd23469 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
495-621 | 2.69e-22 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 4 (GALNT4) and similar proteins; GALNT4 (EC 2.4.1.41), also called polypeptide GalNAc transferase 4, GalNAc-T4, pp-GaNTase 4, protein-UDP acetylgalactosaminyltransferase 4, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 4, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT4 shows highest activity towards Muc7, EA2 and Muc2, with a lower activity compared to GALNT2. It glycosylates 'Thr-57' of SELPLG. GALNT4 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467347 Cd Length: 136 Bit Score: 93.04 E-value: 2.69e-22
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| beta-trefoil_Ricin_GALNT1-like | cd23433 | ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide ... |
499-621 | 6.45e-22 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide N-acetylgalactosaminyltransferase 1 (GALNT1)-like subfamily; The GALNT1-like subfamily includes GALNT1 and GALNT13. They catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT1 has a broad spectrum of substrates for peptides such as EA2, Muc5AC, Muc1a, Muc1b and Muc7. GALNT13 has a much stronger activity than GALNT1 to transfer GalNAc to mucin peptides, such as Muc5Ac and Muc7. It can glycosylate SDC3. It may be responsible for the synthesis of Tn antigen in neuronal cells. Members of this subfamily comprise a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467311 [Multi-domain] Cd Length: 127 Bit Score: 91.60 E-value: 6.45e-22
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| RICIN | smart00458 | Ricin-type beta-trefoil; Carbohydrate-binding domain formed from presumed gene triplication. |
501-622 | 1.41e-20 | |||||
Ricin-type beta-trefoil; Carbohydrate-binding domain formed from presumed gene triplication. Pssm-ID: 214672 [Multi-domain] Cd Length: 118 Bit Score: 87.57 E-value: 1.41e-20
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| beta-trefoil_Ricin_GALNT7 | cd23437 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
494-621 | 2.47e-20 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 7 (GALNT7) and similar proteins; GALNT7 (EC 2.4.1.41), also called polypeptide GalNAc transferase 7, GalNAc-T7, pp-GaNTase 7, protein-UDP acetylgalactosaminyltransferase 7, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 7, acts as glycopeptide transferase involved in O-linked oligosaccharide biosynthesis, which catalyzes the transfer of an N-acetyl-D-galactosamine residue to an already glycosylated peptide. In contrast to other proteins of the family, it does not act as a peptide transferase that transfers GalNAc onto serine or threonine residue on the protein receptor, but instead requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. Its appropriate peptide substrate remains unidentified. GALNT7 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467315 [Multi-domain] Cd Length: 124 Bit Score: 86.97 E-value: 2.47e-20
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| WcaA | COG0463 | Glycosyltransferase involved in cell wall bisynthesis [Cell wall/membrane/envelope biogenesis]; ... |
177-294 | 5.46e-20 | |||||
Glycosyltransferase involved in cell wall bisynthesis [Cell wall/membrane/envelope biogenesis]; Pssm-ID: 440231 [Multi-domain] Cd Length: 208 Bit Score: 88.61 E-value: 5.46e-20
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| Glyco_tranf_GTA_type | cd00761 | Glycosyltransferase family A (GT-A) includes diverse families of glycosyl transferases with a ... |
181-294 | 8.77e-20 | |||||
Glycosyltransferase family A (GT-A) includes diverse families of glycosyl transferases with a common GT-A type structural fold; Glycosyltransferases (GTs) are enzymes that synthesize oligosaccharides, polysaccharides, and glycoconjugates by transferring the sugar moiety from an activated nucleotide-sugar donor to an acceptor molecule, which may be a growing oligosaccharide, a lipid, or a protein. Based on the stereochemistry of the donor and acceptor molecules, GTs are classified as either retaining or inverting enzymes. To date, all GT structures adopt one of two possible folds, termed GT-A fold and GT-B fold. This hierarchy includes diverse families of glycosyl transferases with a common GT-A type structural fold, which has two tightly associated beta/alpha/beta domains that tend to form a continuous central sheet of at least eight beta-strands. The majority of the proteins in this superfamily are Glycosyltransferase family 2 (GT-2) proteins. But it also includes families GT-43, GT-6, GT-8, GT13 and GT-7; which are evolutionarily related to GT-2 and share structure similarities. Pssm-ID: 132997 [Multi-domain] Cd Length: 156 Bit Score: 86.41 E-value: 8.77e-20
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| BcsA | COG1215 | Glycosyltransferase, catalytic subunit of cellulose synthase and poly-beta-1, ... |
169-448 | 1.46e-19 | |||||
Glycosyltransferase, catalytic subunit of cellulose synthase and poly-beta-1,6-N-acetylglucosamine synthase [Cell motility]; Pssm-ID: 440828 [Multi-domain] Cd Length: 303 Bit Score: 89.80 E-value: 1.46e-19
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| beta-trefoil_Ricin_Pgant3-like | cd23460 | ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide ... |
497-621 | 1.58e-19 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide N-acetylgalactosaminyltransferase 3 (Pgant3) and similar proteins; Pgant3, also called pp-GaNTase 3, protein-UDP acetylgalactosaminyltransferase 3, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 3, functions as a GalNAc transferase (EC 2.4.1.41) that catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Pgant3 can both act as a peptide transferase that transfers GalNAc onto unmodified peptide substrates, and as a glycopeptide transferase that requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. It prefers EA2 as a substrate and has weak activity toward Muc5AC-3, -13 and -3/13 substrates. Pgant3 plays a critical role in the regulation of integrin-mediated cell adhesion during wing development by influencing, via glycosylation, the secretion and localization of the integrin ligand Tig to the basal cell layer interface. It may have a role in protein O-glycosylation in the Golgi and thereby in establishing and/or maintaining a proper secretory apparatus structure. Together with Pgant35A, Pgant3 regulates integrin levels and activity-dependent integrin signaling at the synapse in neurons and muscles. Members of this subfamily contain a ricin B-type lectin domain at the C-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain bears a potential sugar binding site. Pssm-ID: 467338 [Multi-domain] Cd Length: 121 Bit Score: 84.42 E-value: 1.58e-19
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| WcaE | COG1216 | Glycosyltransferase, GT2 family [Carbohydrate transport and metabolism]; |
177-437 | 7.72e-18 | |||||
Glycosyltransferase, GT2 family [Carbohydrate transport and metabolism]; Pssm-ID: 440829 [Multi-domain] Cd Length: 202 Bit Score: 82.35 E-value: 7.72e-18
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| beta-trefoil_Ricin_Pgant1-like | cd23459 | ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide ... |
492-621 | 9.16e-18 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide N-acetylgalactosaminyltransferase 1 (Pgant1) and similar proteins; Pgant1, also called pp-GaNTase 1, protein-UDP acetylgalactosaminyltransferase 1, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 1, functions as a GalNAc transferase (EC 2.4.1.41) that catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Pgant1 can both act as a peptide transferase that transfers GalNAc onto unmodified peptide substrates, and as a glycopeptide transferase that requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. It prefers the monoglycosylated Muc5AC-3 as a substrate. Members of this subfamily contain a ricin B-type lectin domain at the C-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain bears a potential sugar binding site. Pssm-ID: 467337 [Multi-domain] Cd Length: 132 Bit Score: 80.06 E-value: 9.16e-18
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| beta-trefoil_Ricin_GALNT12 | cd23471 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
495-621 | 7.05e-15 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 12 (GALNT12) and similar proteins; GALNT12 (EC 2.4.1.41), also called polypeptide GalNAc transferase 12, GalNAc-T12, pp-GaNTase 12, protein-UDP acetylgalactosaminyltransferase 12, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 12, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT12 has activity toward non-glycosylated peptides such as Muc5AC, Muc1a and EA2, and no detectable activity with non-glycosylated Muc2 and Muc7. It displays enzymatic activity toward the Gal-NAc-Muc5AC glycopeptide, but no detectable activity to mono-GalNAc-glycosylated Muc1a, Muc2, Muc7 and EA2. It may play an important role in the initial step of mucin-type oligosaccharide biosynthesis in digestive organs. GALNT12 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467349 Cd Length: 140 Bit Score: 71.75 E-value: 7.05e-15
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| beta-trefoil_Ricin_GALNT2 | cd23434 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
498-621 | 1.92e-13 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 2 (GALNT2) and similar proteins; GALNT2 (EC 2.4.1.41), also called polypeptide GalNAc transferase 2, GalNAc-T2, pp-GaNTase 2, protein-UDP acetylgalactosaminyltransferase 2, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 2, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT2 has a broad spectrum of substrates for peptides such as EA2, Muc5AC, Muc1a, Muc1b. It is probably involved in O-linked glycosylation of the immunoglobulin A1 (IgA1) hinge region. It is also involved in O-linked glycosylation of APOC-III, ANGPTL3 and PLTP. It participates in the regulation of HDL-C metabolism. GALNT2 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467312 [Multi-domain] Cd Length: 121 Bit Score: 67.35 E-value: 1.92e-13
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| beta-trefoil_Ricin_XLN-like | cd23418 | ricin B-type lectin domain, beta-trefoil fold, found in Streptomyces olivaceoviridis endo-1, ... |
499-621 | 1.49e-12 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Streptomyces olivaceoviridis endo-1,4-beta-xylanase and similar proteins; The family includes Streptomyces olivaceoviridis endo-1,4-beta-xylanase (XLN, EC 3.2.1.8), Streptomyces avermitilis beta-L-arabinopyranosidase (EC 3.2.1.185), and Streptomyces coelicolor extracellular exo-alpha-L-arabinofuranosidase (ABF, EC 3.2.1.55). XLN, also called xylanase, or 1,4-beta-D-xylan xylanohydrolase, belongs to the glycosyl hydrolase 10 (cellulase F) family. It contributes to hydrolyze hemicellulose, the major component of plant cell walls. XLN contains a (beta/alpha)8-barrel as a catalytic domain, a family 13 carbohydrate binding module (CBM13) as a xylan binding domain (XBD) and a Gly/Pro-rich linker between them. Beta-L-arabinopyranosidase belongs to the glycosyl hydrolase 27 (GH27) family. It has a GH27 catalytic domain, an antiparallel beta-domain containing Greek key motifs, another antiparallel beta-domain forming a jellyroll structure, and a CBM13 module. ScAraf62A, also called ABF, or arabinosidase, or arabinoxylan arabinofuranohydrolase, belongs to the glycosyl hydrolase 62 (GH62) family. It is involved in the degradation of xylan and is a key enzyme in the complete degradation of the plant cell wall. It has a specific arabinofuranose-debranching activity on xylan from gramineae. It acts synergistically with xylanases and binds specifically to xylan. ScAraf62A comprises a CBM13 module at its N-terminus and a catalytic domain at its C-terminus. This model corresponds to the CBM13 module, which is a ricin B-type lectin domain with a beta-trefoil fold, characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain may contain a potential sugar-binding pocket. Pssm-ID: 467297 [Multi-domain] Cd Length: 130 Bit Score: 65.06 E-value: 1.49e-12
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| beta-trefoil_Ricin_GALNT13 | cd23467 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
499-621 | 1.83e-11 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 13 (GALNT13) and similar proteins; GALNT13 (EC 2.4.1.41), also called polypeptide GalNAc transferase 13, GalNAc-T13, pp-GaNTase 13, protein-UDP acetylgalactosaminyltransferase 13, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 13, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. It has a much stronger activity than GALNT1 to transfer GalNAc to mucin peptides, such as Muc5Ac and Muc7. It can glycosylate SDC3. It may be responsible for the synthesis of Tn antigen in neuronal cells. GALNT13 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). The model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467345 Cd Length: 127 Bit Score: 61.58 E-value: 1.83e-11
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| GT_2_like_e | cd04192 | Subfamily of Glycosyltransferase Family GT2 of unknown function; GT-2 includes diverse ... |
181-384 | 5.17e-11 | |||||
Subfamily of Glycosyltransferase Family GT2 of unknown function; GT-2 includes diverse families of glycosyltransferases with a common GT-A type structural fold, which has two tightly associated beta/alpha/beta domains that tend to form a continuous central sheet of at least eight beta-strands. These are enzymes that catalyze the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. Glycosyltransferases have been classified into more than 90 distinct sequence based families. Pssm-ID: 133035 [Multi-domain] Cd Length: 229 Bit Score: 63.08 E-value: 5.17e-11
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| beta-trefoil_Ricin_Pgant8-like | cd23461 | ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide ... |
499-621 | 5.80e-11 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide N-acetylgalactosaminyltransferase 8 (Pgant8) and similar proteins; This subfamily includes Pgant8 (also called pp-GaNTase 8, protein-UDP acetylgalactosaminyltransferase 8, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 8), Pgant10 (also called polypeptide N-acetylgalactosaminyltransferase 10, pp-GaNTase 10, protein-UDP acetylgalactosaminyltransferase 10, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 10), Pgant11 (also called polypeptide N-acetylgalactosaminyltransferase 11, pp-GaNTase 11, protein-UDP acetylgalactosaminyltransferase 11, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 11) and Pgant12 (also called polypeptide N-acetylgalactosaminyltransferase 12, pp-GaNTase 12, protein-UDP acetylgalactosaminyltransferase 12, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 12). They function as GalNAc transferases (EC 2.4.1.41) that catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Pgant8 can both act as a peptide transferase that transfers GalNAc onto unmodified peptide substrates, and as a glycopeptide transferase that requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. It prefers both EA2 and the diglycosylated Muc5AC-3/13 as substrates, albeit at very low levels for Muc5AC-3/13. Members of this subfamily contain a ricin B-type lectin domain at the C-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain bears a potential sugar binding site. Pssm-ID: 467339 Cd Length: 128 Bit Score: 60.50 E-value: 5.80e-11
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| beta-trefoil_Ricin_GALNT15 | cd23442 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
495-619 | 7.00e-11 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 15 (GALNT15) and similar proteins; GALNT15 (EC 2.4.1.41), also called polypeptide GalNAc transferase 15, GalNAc-T15, polypeptide GalNAc transferase-like protein 2, GalNAc-T-like protein 2, pp-GaNTase-like protein 2, polypeptide N-acetylgalactosaminyltransferase-like protein 2, protein-UDP acetylgalactosaminyltransferase-like protein 2, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase-like protein 2, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Although it displays a much weaker activity toward all substrates tested compared to GALNT2, GALNT15 can transfer up to seven GalNAc residues to the Muc5AC peptide, suggesting that it can fill vicinal Thr/Ser residues in cooperation with other GALNT proteins. It prefers Muc1a as its substrate. GALNT15 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467320 [Multi-domain] Cd Length: 124 Bit Score: 60.15 E-value: 7.00e-11
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| Succinoglycan_BP_ExoA | cd02525 | ExoA is involved in the biosynthesis of succinoglycan; Succinoglycan Biosynthesis Protein ExoA ... |
180-410 | 7.73e-11 | |||||
ExoA is involved in the biosynthesis of succinoglycan; Succinoglycan Biosynthesis Protein ExoA catalyzes the formation of a beta-1,3 linkage of the second sugar (glucose) of the succinoglycan with the galactose on the lipid carrie. Succinoglycan is an acidic exopolysaccharide that is important for invasion of the nodules. Succinoglycan is a high-molecular-weight polymer composed of repeating octasaccharide units. These units are synthesized on membrane-bound isoprenoid lipid carriers, beginning with galactose followed by seven glucose molecules, and modified by the addition of acetate, succinate, and pyruvate. ExoA is a membrane protein with a transmembrance domain at c-terminus. Pssm-ID: 133016 [Multi-domain] Cd Length: 249 Bit Score: 62.63 E-value: 7.73e-11
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| DPM_DPG-synthase_like | cd04179 | DPM_DPG-synthase_like is a member of the Glycosyltransferase 2 superfamily; DPM1 is the ... |
181-294 | 2.14e-10 | |||||
DPM_DPG-synthase_like is a member of the Glycosyltransferase 2 superfamily; DPM1 is the catalytic subunit of eukaryotic dolichol-phosphate mannose (DPM) synthase. DPM synthase is required for synthesis of the glycosylphosphatidylinositol (GPI) anchor, N-glycan precursor, protein O-mannose, and C-mannose. In higher eukaryotes,the enzyme has three subunits, DPM1, DPM2 and DPM3. DPM is synthesized from dolichol phosphate and GDP-Man on the cytosolic surface of the ER membrane by DPM synthase and then is flipped onto the luminal side and used as a donor substrate. In lower eukaryotes, such as Saccharomyces cerevisiae and Trypanosoma brucei, DPM synthase consists of a single component (Dpm1p and TbDpm1, respectively) that possesses one predicted transmembrane region near the C terminus for anchoring to the ER membrane. In contrast, the Dpm1 homologues of higher eukaryotes, namely fission yeast, fungi, and animals, have no transmembrane region, suggesting the existence of adapter molecules for membrane anchoring. This family also includes bacteria and archaea DPM1_like enzymes. However, the enzyme structure and mechanism of function are not well understood. The UDP-glucose:dolichyl-phosphate glucosyltransferase (DPG_synthase) is a transmembrane-bound enzyme of the endoplasmic reticulum involved in protein N-linked glycosylation. This enzyme catalyzes the transfer of glucose from UDP-glucose to dolichyl phosphate. This protein family belongs to Glycosyltransferase 2 superfamily. Pssm-ID: 133022 [Multi-domain] Cd Length: 185 Bit Score: 60.28 E-value: 2.14e-10
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| beta-trefoil_Ricin_GALNT10-like | cd23439 | ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide ... |
499-621 | 1.28e-09 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide N-acetylgalactosaminyltransferase 10 (GALNT10)-like subfamily; The GALNT10-like subfamily includes GALNT10 and GALNTL6. They act as GalNAc transferases (EC 2.4.1.41) that catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT10 has activity toward Muc5Ac and EA2 peptide substrates. Members of this subfamily comprise a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467317 [Multi-domain] Cd Length: 126 Bit Score: 56.58 E-value: 1.28e-09
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| beta-trefoil_Ricin_GALNT11 | cd23440 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
494-621 | 2.64e-09 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 11 (GALNT11) and similar proteins; GALNT11 (EC 2.4.1.41), also called polypeptide GalNAc transferase 11, GalNAc-T11, pp-GaNTase 11, protein-UDP acetylgalactosaminyltransferase 11, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 11, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. It is involved in left/right asymmetry by mediating O-glycosylation of NOTCH1. O-glycosylation of NOTCH1 promotes its activation, modulating the balance between motile and immotile (sensory) cilia at the left-right organizer (LRO). GALNT11 displays the same enzyme activity toward MUC1, MUC4, and EA2 as GALNT1. It is not involved in glycosylation of erythropoietin (EPO). GALNT11 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467318 [Multi-domain] Cd Length: 127 Bit Score: 55.46 E-value: 2.64e-09
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| beta-trefoil_Ricin-like | cd00161 | ricin B-type lectin domain, beta-trefoil fold; The ricin B-type lectin domain is a ... |
498-619 | 3.37e-09 | |||||
ricin B-type lectin domain, beta-trefoil fold; The ricin B-type lectin domain is a carbohydrate-binding domain formed from presumed gene triplication. It shows a beta-trefoil fold characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain was originally found in Ricin, which is a legume lectin from the seeds of the castor bean plant, Ricinus communis. It is also found in many carbohydrate-recognition proteins like plant and bacterial AB-toxins, glycosidases, or proteases, which serve diverse functions such as inhibitory toxicity, enzymatic activity, and signal transduction. The ricin B-type lectin domain can be present in one or more copies and has been shown in some instances to bind simple sugars, such as galactose or lactose. The most characteristic, though not completely conserved, sequence feature is the presence of a Q-W pattern. Consequently, the ricin B-type lectin domain has also been referred as the (QxW)3 domain and the three homologous regions as the QxW repeats. A disulfide bond is also conserved in some QxW repeats. Pssm-ID: 467293 [Multi-domain] Cd Length: 134 Bit Score: 55.45 E-value: 3.37e-09
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| beta-trefoil_Ricin_GALNT1 | cd23466 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
499-621 | 3.54e-09 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 1 (GALNT1) and similar proteins; GALNT1 (EC 2.4.1.41), also called polypeptide GalNAc transferase 1, GalNAc-T1, pp-GaNTase 1, protein-UDP acetylgalactosaminyltransferase 1, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 1, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. It has a broad spectrum of substrates for peptides such as EA2, Muc5AC, Muc1a, Muc1b and Muc7. GALNT1 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain is required in the glycopeptide specificity of enzyme activity but not for activity with naked peptide substrates, suggesting that it triggers the catalytic domain to act on GalNAc-glycopeptide substrates. Pssm-ID: 467344 Cd Length: 127 Bit Score: 55.05 E-value: 3.54e-09
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| Glyco_transf_7C | pfam02709 | N-terminal domain of galactosyltransferase; This is the N-terminal domain of a family of ... |
347-412 | 1.08e-08 | |||||
N-terminal domain of galactosyltransferase; This is the N-terminal domain of a family of galactosyltransferases from a wide range of Metazoa with three related galactosyltransferases activities, all three of which are possessed by one sequence in some cases. EC:2.4.1.90, N-acetyllactosamine synthase; EC:2.4.1.38, Beta-N-acetylglucosaminyl-glycopeptide beta-1,4- galactosyltransferase; and EC:2.4.1.22 Lactose synthase. Note that N-acetyllactosamine synthase is a component of Lactose synthase along with alpha-lactalbumin, in the absence of alpha-lactalbumin EC:2.4.1.90 is the catalyzed reaction. Pssm-ID: 460659 [Multi-domain] Cd Length: 78 Bit Score: 52.23 E-value: 1.08e-08
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| CESA_like | cd06423 | CESA_like is the cellulose synthase superfamily; The cellulose synthase (CESA) superfamily ... |
181-293 | 1.93e-08 | |||||
CESA_like is the cellulose synthase superfamily; The cellulose synthase (CESA) superfamily includes a wide variety of glycosyltransferase family 2 enzymes that share the common characteristic of catalyzing the elongation of polysaccharide chains. The members include cellulose synthase catalytic subunit, chitin synthase, glucan biosynthesis protein and other families of CESA-like proteins. Cellulose synthase catalyzes the polymerization reaction of cellulose, an aggregate of unbranched polymers of beta-1,4-linked glucose residues in plants, most algae, some bacteria and fungi, and even some animals. In bacteria, algae and lower eukaryotes, there is a second unrelated type of cellulose synthase (Type II), which produces acylated cellulose, a derivative of cellulose. Chitin synthase catalyzes the incorporation of GlcNAc from substrate UDP-GlcNAc into chitin, which is a linear homopolymer of beta-(1,4)-linked GlcNAc residues and Glucan Biosynthesis protein catalyzes the elongation of beta-1,2 polyglucose chains of Glucan. Pssm-ID: 133045 [Multi-domain] Cd Length: 180 Bit Score: 54.54 E-value: 1.93e-08
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| beta-trefoil_Ricin_GALNT14-like | cd23441 | ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide ... |
498-621 | 1.07e-07 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide N-acetylgalactosaminyltransferase 14 (GALNT14)-like subfamily; The GALNT14-like subfamily includes GALNT14 and GALNT16. They act as GalNAc transferases (EC 2.4.1.41) that catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT14 displays activity toward mucin-derived peptide substrates such as Muc2, Muc5AC, Muc7, and Muc13 (-58). It may be involved in O-glycosylation in the kidney. Members of this subfamily comprise a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467319 [Multi-domain] Cd Length: 122 Bit Score: 50.86 E-value: 1.07e-07
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| beta-trefoil_Ricin_AH | cd23415 | ricin B-type lectin domain, beta-trefoil fold, found in Actinomycete actinohivin and similar ... |
501-619 | 3.08e-07 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Actinomycete actinohivin and similar proteins; Actinohivin is an actinomycete lectin with a potent specific anti-human immunodeficiency virus (anti-HIV) activity. It inhibits viral entry to cells by binding the high-mannose type sugar chains of gp120. Actinohivin contains a ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain contains a sugar-binding pocket. Pssm-ID: 467294 [Multi-domain] Cd Length: 120 Bit Score: 49.35 E-value: 3.08e-07
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| beta-trefoil_Ricin_GALNT10 | cd23476 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
498-621 | 3.25e-07 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 10 (GALNT10) and similar proteins; GALNT10 (EC 2.4.1.41), also called polypeptide GalNAc transferase 10, GalNAc-T10, pp-GaNTase 10, protein-UDP acetylgalactosaminyltransferase 10, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 10, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT10 has activity toward Muc5Ac and EA2 peptide substrates. GALNT10 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467354 Cd Length: 150 Bit Score: 50.35 E-value: 3.25e-07
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| beta-trefoil_Ricin_GALNT5 | cd23436 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
499-621 | 4.72e-07 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 5 (GALNT5) and similar proteins; GALNT5 (EC 2.4.1.41), also called polypeptide GalNAc transferase 5, GalNAc-T5, pp-GaNTase 5, protein-UDP acetylgalactosaminyltransferase 5, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 5, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT5 has activity toward EA2 peptide substrate but has a weak activity toward Muc2 or Muc1b substrates. GALNT5 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467314 Cd Length: 132 Bit Score: 49.41 E-value: 4.72e-07
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| beta-trefoil_Ricin_laminarinase | cd23451 | ricin B-type lectin domain, beta-trefoil fold, found in glucan endo-1,3-beta-glucosidase and ... |
499-619 | 4.89e-07 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in glucan endo-1,3-beta-glucosidase and similar proteins; Glucan endo-1,3-beta-glucosidase (EC 3.2.1.39), also called (1->3)-beta-glucan endohydrolase, or (1->3)-beta-glucanase, or laminarinase, belongs to the glycosyl hydrolase 64 (GH64) family. It catalyzes hydrolysis of (1->3)-beta-D-glucosidic linkages in (1->3)-beta-D-glucans. It has been implicated in the defense against fungal pathogens. Glucan endo-1,3-beta-glucosidase contains a C-terminal ricin B-type lectin domain with a beta-trefoil fold, characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain bears a potential sugar binding site. Pssm-ID: 467329 [Multi-domain] Cd Length: 125 Bit Score: 48.87 E-value: 4.89e-07
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| CESA_like_1 | cd06439 | CESA_like_1 is a member of the cellulose synthase (CESA) superfamily; This is a subfamily of ... |
175-295 | 9.29e-07 | |||||
CESA_like_1 is a member of the cellulose synthase (CESA) superfamily; This is a subfamily of cellulose synthase (CESA) superfamily. CESA superfamily includes a wide variety of glycosyltransferase family 2 enzymes that share the common characteristic of catalyzing the elongation of polysaccharide chains. The members of the superfamily include cellulose synthase catalytic subunit, chitin synthase, glucan biosynthesis protein and other families of CESA-like proteins. Pssm-ID: 133061 [Multi-domain] Cd Length: 251 Bit Score: 50.66 E-value: 9.29e-07
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| PRK10073 | PRK10073 | putative glycosyl transferase; Provisional |
211-270 | 1.40e-06 | |||||
putative glycosyl transferase; Provisional Pssm-ID: 182223 [Multi-domain] Cd Length: 328 Bit Score: 50.81 E-value: 1.40e-06
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| GT2_RfbC_Mx_like | cd04184 | Myxococcus xanthus RfbC like proteins are required for O-antigen biosynthesis; The rfbC gene ... |
211-269 | 2.35e-06 | |||||
Myxococcus xanthus RfbC like proteins are required for O-antigen biosynthesis; The rfbC gene encodes a predicted protein of 1,276 amino acids, which is required for O-antigen biosynthesis in Myxococcus xanthus. It is a subfamily of Glycosyltransferase Family GT2, which includes diverse families of glycosyl transferases with a common GT-A type structural fold, which has two tightly associated beta/alpha/beta domains that tend to form a continuous central sheet of at least eight beta-strands. These are enzymes that catalyze the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. Pssm-ID: 133027 [Multi-domain] Cd Length: 202 Bit Score: 48.74 E-value: 2.35e-06
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| GT_2_like_c | cd04186 | Subfamily of Glycosyltransferase Family GT2 of unknown function; GT-2 includes diverse ... |
181-296 | 2.41e-06 | |||||
Subfamily of Glycosyltransferase Family GT2 of unknown function; GT-2 includes diverse families of glycosyltransferases with a common GT-A type structural fold, which has two tightly associated beta/alpha/beta domains that tend to form a continuous central sheet of at least eight beta-strands. These are enzymes that catalyze the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. Glycosyltransferases have been classified into more than 90 distinct sequence based families. Pssm-ID: 133029 [Multi-domain] Cd Length: 166 Bit Score: 47.94 E-value: 2.41e-06
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| DPM1_like | cd06442 | DPM1_like represents putative enzymes similar to eukaryotic DPM1; Proteins similar to ... |
211-294 | 1.66e-05 | |||||
DPM1_like represents putative enzymes similar to eukaryotic DPM1; Proteins similar to eukaryotic DPM1, including enzymes from bacteria and archaea; DPM1 is the catalytic subunit of eukaryotic dolichol-phosphate mannose (DPM) synthase. DPM synthase is required for synthesis of the glycosylphosphatidylinositol (GPI) anchor, N-glycan precursor, protein O-mannose, and C-mannose. In higher eukaryotes,the enzyme has three subunits, DPM1, DPM2 and DPM3. DPM is synthesized from dolichol phosphate and GDP-Man on the cytosolic surface of the ER membrane by DPM synthase and then is flipped onto the luminal side and used as a donor substrate. In lower eukaryotes, such as Saccharomyces cerevisiae and Trypanosoma brucei, DPM synthase consists of a single component (Dpm1p and TbDpm1, respectively) that possesses one predicted transmembrane region near the C terminus for anchoring to the ER membrane. In contrast, the Dpm1 homologues of higher eukaryotes, namely fission yeast, fungi, and animals, have no transmembrane region, suggesting the existence of adapter molecules for membrane anchoring. This family also includes bacteria and archaea DPM1_like enzymes. However, the enzyme structure and mechanism of function are not well understood. This protein family belongs to Glycosyltransferase 2 superfamily. Pssm-ID: 133062 [Multi-domain] Cd Length: 224 Bit Score: 46.37 E-value: 1.66e-05
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| beta-trefoil_Ricin_Pgant8-like | cd23461 | ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide ... |
496-557 | 2.83e-05 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Drosophila melanogaster polypeptide N-acetylgalactosaminyltransferase 8 (Pgant8) and similar proteins; This subfamily includes Pgant8 (also called pp-GaNTase 8, protein-UDP acetylgalactosaminyltransferase 8, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 8), Pgant10 (also called polypeptide N-acetylgalactosaminyltransferase 10, pp-GaNTase 10, protein-UDP acetylgalactosaminyltransferase 10, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 10), Pgant11 (also called polypeptide N-acetylgalactosaminyltransferase 11, pp-GaNTase 11, protein-UDP acetylgalactosaminyltransferase 11, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 11) and Pgant12 (also called polypeptide N-acetylgalactosaminyltransferase 12, pp-GaNTase 12, protein-UDP acetylgalactosaminyltransferase 12, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 12). They function as GalNAc transferases (EC 2.4.1.41) that catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Pgant8 can both act as a peptide transferase that transfers GalNAc onto unmodified peptide substrates, and as a glycopeptide transferase that requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. It prefers both EA2 and the diglycosylated Muc5AC-3/13 as substrates, albeit at very low levels for Muc5AC-3/13. Members of this subfamily contain a ricin B-type lectin domain at the C-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain bears a potential sugar binding site. Pssm-ID: 467339 Cd Length: 128 Bit Score: 43.93 E-value: 2.83e-05
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| beta-trefoil_Ricin_GALNTL6 | cd23477 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
495-621 | 6.95e-05 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase-like 6 (GALNTL6) and similar proteins; GALNTL6 (EC 2.4.1.41), also called polypeptide GalNAc transferase 17, GalNAc-T17, pp-GaNTase 17, protein-UDP acetylgalactosaminyltransferase 17, putative polypeptide N-acetylgalactosaminyltransferase 17, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 17, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNTL6 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467355 Cd Length: 148 Bit Score: 43.39 E-value: 6.95e-05
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| beta-trefoil_Ricin_MRC-like | cd23385 | ricin B-type lectin domain, beta-trefoil fold, found in the macrophage mannose receptor (MRC) ... |
546-619 | 8.62e-05 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in the macrophage mannose receptor (MRC) family; The MRC family includes MRC1-2, receptor-type tyrosine-protein phosphatase beta (PTPRB) isoform e, secretory phospholipase A2 receptor (PLA2R1), and lymphocyte antigen 75 (Ly-75). MRC1 mediates the endocytosis of glycoproteins by macrophages. It binds both sulfated and non-sulfated polysaccharide chains, and acts as a phagocytic receptor for bacteria, fungi, and other pathogens. It also acts as a receptor for Dengue virus envelope protein E. MRC2 may play a role as an endocytotic lectin receptor displaying calcium-dependent lectin activity. It internalizes glycosylated ligands from the extracellular space for release in an endosomal compartment via clathrin-mediated endocytosis. It may be involved in plasminogen activation system controlling the extracellular level of PLAUR/PLAU, and thus may regulate protease activity at the cell surface. It may contribute to cellular uptake, remodeling, and degradation of extracellular collagen matrices. It may play a role during cancer progression as well as in other chronic tissue destructive diseases acting on collagen turnover. It may participate in remodeling of extracellular matrix cooperating with the matrix metalloproteinases (MMPs). PTPRB (EC 3.1.3.48), also called protein-tyrosine phosphatase beta, plays an important role in blood vessel remodeling and angiogenesis. It is not necessary for the initial formation of the blood vessels but is essential for their maintenance and remodeling. It is also essential for the maintenance of endothelial cell contact integrity and for the adhesive function of VE-cadherin in endothelial cells that requires the presence of plakoglobin. PLA2R1 is a receptor for secretory phospholipase A2 (sPLA2). It acts as a receptor for phospholipase sPLA2-IB/PLA2G1B but not sPLA2-IIA/PLA2G2A. It can also bind to snake PA2-like toxins. It may be involved in responses in proinflammatory cytokine productions during endotoxic shock. It also has endocytic properties and rapidly internalizes sPLA2 ligands, which is particularly important for the clearance of extracellular sPLA2s to protect their potent enzymatic activities. Ly-75 acts as an endocytic receptor to direct captured antigens from the extracellular space to a specialized antigen-processing compartment. It causes reduced proliferation of B-lymphocytes. All family members contain a ricin B-type lectin domain at the N-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain may harbor a sugar-binding pocket. One member of this family, MRC1, is missing the gamma subdomain. Pssm-ID: 467784 [Multi-domain] Cd Length: 119 Bit Score: 42.58 E-value: 8.62e-05
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| beta-trefoil_Ricin_GALNT13 | cd23467 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
498-554 | 1.16e-04 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 13 (GALNT13) and similar proteins; GALNT13 (EC 2.4.1.41), also called polypeptide GalNAc transferase 13, GalNAc-T13, pp-GaNTase 13, protein-UDP acetylgalactosaminyltransferase 13, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 13, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. It has a much stronger activity than GALNT1 to transfer GalNAc to mucin peptides, such as Muc5Ac and Muc7. It can glycosylate SDC3. It may be responsible for the synthesis of Tn antigen in neuronal cells. GALNT13 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). The model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467345 Cd Length: 127 Bit Score: 42.32 E-value: 1.16e-04
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| beta-trefoil_Ricin_AtEULS3-like | cd23431 | ricin B-type lectin domain, beta-trefoil fold, found in Arabidopsis thaliana Ricin B-like ... |
587-620 | 1.20e-04 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Arabidopsis thaliana Ricin B-like lectin EULS3 (AtEULS3) and similar proteins; AtEULS3, also called euonymus lectin S3, is a Ricin B-like lectin that binds carbohydrates in vitro. It interacts through its lectin domain with glycan structures containing one or more Lewis X, Lewis Y or lactosamine motifs. It has been implicated in abiotic stress responses, abscisic acid-induced stomatal closure, as well as disease resistance against Pseudomonas syringae through its involvement in stomatal movement. All subfamily members contain a ricin B-type lectin domain at the C-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain may harbor a sugar-binding pocket. Pssm-ID: 467309 Cd Length: 152 Bit Score: 42.73 E-value: 1.20e-04
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| beta-trefoil_Ricin_SCDase | cd23456 | ricin B-type lectin domain, beta-trefoil fold, found in Shewanella algae sphingolipid ceramide ... |
498-567 | 1.55e-04 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Shewanella algae sphingolipid ceramide N-deacylase (SCDase) and similar proteins; SCDase (EC 3.5.1.69) is an enzyme which hydrolyzes the N-acyl linkage between fatty acid and sphingosine in ceramide of various glycosphingolipids and sphingomyelin. Shewanella algae SCDase contains two ricin B-type lectin domains at its C-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain may harbor a sugar-binding pocket. Pssm-ID: 467334 [Multi-domain] Cd Length: 122 Bit Score: 41.57 E-value: 1.55e-04
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| DPG_synthase | cd04188 | DPG_synthase is involved in protein N-linked glycosylation; UDP-glucose:dolichyl-phosphate ... |
211-270 | 1.93e-04 | |||||
DPG_synthase is involved in protein N-linked glycosylation; UDP-glucose:dolichyl-phosphate glucosyltransferase (DPG_synthase) is a transmembrane-bound enzyme of the endoplasmic reticulum involved in protein N-linked glycosylation. This enzyme catalyzes the transfer of glucose from UDP-glucose to dolichyl phosphate. Pssm-ID: 133031 [Multi-domain] Cd Length: 211 Bit Score: 42.94 E-value: 1.93e-04
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| beta-trefoil_Ricin_GALNT9 | cd23473 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
494-606 | 3.75e-04 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 9 (GALNT9) and similar proteins; GALNT9 (EC 2.4.1.41), also called polypeptide GalNAc transferase 9, GalNAc-T9, pp-GaNTase 9, protein-UDP acetylgalactosaminyltransferase 9, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 9, catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT9 does not glycosylate apomucin or SDC3. GALNT9 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467351 Cd Length: 145 Bit Score: 41.10 E-value: 3.75e-04
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| GT2_Chondriotin_Pol_N | cd06420 | N-terminal domain of Chondroitin polymerase functions as a GalNAc transferase; Chondroitin ... |
181-396 | 4.16e-04 | |||||
N-terminal domain of Chondroitin polymerase functions as a GalNAc transferase; Chondroitin polymerase is a two domain, bi-functional protein. The N-terminal domain functions as a GalNAc transferase. The bacterial chondroitin polymerase catalyzes elongation of the chondroitin chain by alternatively transferring the GlcUA and GalNAc moiety from UDP-GlcUA and UDP-GalNAc to the non-reducing ends of the chondroitin chain. The enzyme consists of N-terminal and C-terminal domains in which the two active sites catalyze the addition of GalNAc and GlcUA, respectively. Chondroitin chains range from 40 to over 100 repeating units of the disaccharide. Sulfated chondroitins are involved in the regulation of various biological functions such as central nervous system development, wound repair, infection, growth factor signaling, and morphogenesis, in addition to its conventional structural roles. In Caenorhabditis elegans, chondroitin is an essential factor for the worm to undergo cytokinesis and cell division. Chondroitin is synthesized as proteoglycans, sulfated and secreted to the cell surface or extracellular matrix. Pssm-ID: 133042 [Multi-domain] Cd Length: 182 Bit Score: 41.79 E-value: 4.16e-04
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| beta-trefoil_Ricin_AH | cd23415 | ricin B-type lectin domain, beta-trefoil fold, found in Actinomycete actinohivin and similar ... |
547-622 | 8.33e-04 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Actinomycete actinohivin and similar proteins; Actinohivin is an actinomycete lectin with a potent specific anti-human immunodeficiency virus (anti-HIV) activity. It inhibits viral entry to cells by binding the high-mannose type sugar chains of gp120. Actinohivin contains a ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain contains a sugar-binding pocket. Pssm-ID: 467294 [Multi-domain] Cd Length: 120 Bit Score: 39.72 E-value: 8.33e-04
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| beta-trefoil_Ricin_GALNT8 | cd23472 | ricin B-type lectin domain, beta-trefoil fold, found in polypeptide ... |
485-605 | 1.26e-03 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in polypeptide N-acetylgalactosaminyltransferase 8 (GALNT8) and similar proteins; GALNT8 (EC 2.4.1.41), also called polypeptide GalNAc transferase 8, GalNAc-T8, pp-GaNTase 8, protein-UDP acetylgalactosaminyltransferase 8, or UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 8, may catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT8 comprises a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467350 Cd Length: 146 Bit Score: 39.80 E-value: 1.26e-03
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| beta-trefoil_Ricin_MytiLec-like | cd23417 | ricin B-type lectin domain, beta-trefoil fold, found in Mytilus galloprovincialis lectin ... |
498-598 | 1.71e-03 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in Mytilus galloprovincialis lectin (MytiLec) and similar proteins; MytiLec is a D-galactose-binding lectin from the mussel Mytilus galloprovincialis with cytotoxicity against certain cancer cell types. It has hemagglutinating activity towards rabbit erythrocytes. It induces glycan-mediated cytotoxicity of human globotriaosylceramide-expressing lymphoma cells. The family also includes lectin from the mussel Mytilus californianus (MCL) and lectin from the sea mussel Crenomytilus grayanus (CGL). MCL is specific for binding D-galactose and N-Acetyl-d-galactosamine that contained carbohydrate moieties that were also inhibited by melibiose and raffinose. It can agglutinate all types of human erythrocytes, as well as rabbit red blood cells. CGL is specific for binding GalNAc/Gal-containing carbohydrate moieties. It displays antibacterial, antifungal, and antiviral activities. It also possesses anti-cancer activity through recognizing globotriose Gb3. Members of this family contain a ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain may harbor a sugar-binding pocket. Pssm-ID: 467296 Cd Length: 132 Bit Score: 38.86 E-value: 1.71e-03
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| beta-trefoil_Ricin_GALNT8-like | cd23438 | ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide ... |
494-598 | 2.72e-03 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in the polypeptide N-acetylgalactosaminyltransferase 8 (GALNT8)-like subfamily; The GALNT8-like subfamily includes GALNT8, GALNT9, GALNT17 and GALNT18. They act as GalNAc transferases (EC 2.4.1.41) that catalyze the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. GALNT9 does not glycosylate apomucin or SDC3. Members of this family comprise a glycosyltransferase region and a ricin B-type lectin domain. The glycosyltransferase region contains two conserved domains, domain A (also called GT1 motif) and domain B (also called Gal/GalNAc-T motif). This model corresponds to the ricin B-type lectin domain with a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The ricin B-type lectin domain binds to GalNAc and contributes to the glycopeptide specificity. Pssm-ID: 467316 Cd Length: 134 Bit Score: 38.57 E-value: 2.72e-03
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| beta-trefoil_Ricin_MRC-like | cd23385 | ricin B-type lectin domain, beta-trefoil fold, found in the macrophage mannose receptor (MRC) ... |
501-619 | 3.62e-03 | |||||
ricin B-type lectin domain, beta-trefoil fold, found in the macrophage mannose receptor (MRC) family; The MRC family includes MRC1-2, receptor-type tyrosine-protein phosphatase beta (PTPRB) isoform e, secretory phospholipase A2 receptor (PLA2R1), and lymphocyte antigen 75 (Ly-75). MRC1 mediates the endocytosis of glycoproteins by macrophages. It binds both sulfated and non-sulfated polysaccharide chains, and acts as a phagocytic receptor for bacteria, fungi, and other pathogens. It also acts as a receptor for Dengue virus envelope protein E. MRC2 may play a role as an endocytotic lectin receptor displaying calcium-dependent lectin activity. It internalizes glycosylated ligands from the extracellular space for release in an endosomal compartment via clathrin-mediated endocytosis. It may be involved in plasminogen activation system controlling the extracellular level of PLAUR/PLAU, and thus may regulate protease activity at the cell surface. It may contribute to cellular uptake, remodeling, and degradation of extracellular collagen matrices. It may play a role during cancer progression as well as in other chronic tissue destructive diseases acting on collagen turnover. It may participate in remodeling of extracellular matrix cooperating with the matrix metalloproteinases (MMPs). PTPRB (EC 3.1.3.48), also called protein-tyrosine phosphatase beta, plays an important role in blood vessel remodeling and angiogenesis. It is not necessary for the initial formation of the blood vessels but is essential for their maintenance and remodeling. It is also essential for the maintenance of endothelial cell contact integrity and for the adhesive function of VE-cadherin in endothelial cells that requires the presence of plakoglobin. PLA2R1 is a receptor for secretory phospholipase A2 (sPLA2). It acts as a receptor for phospholipase sPLA2-IB/PLA2G1B but not sPLA2-IIA/PLA2G2A. It can also bind to snake PA2-like toxins. It may be involved in responses in proinflammatory cytokine productions during endotoxic shock. It also has endocytic properties and rapidly internalizes sPLA2 ligands, which is particularly important for the clearance of extracellular sPLA2s to protect their potent enzymatic activities. Ly-75 acts as an endocytic receptor to direct captured antigens from the extracellular space to a specialized antigen-processing compartment. It causes reduced proliferation of B-lymphocytes. All family members contain a ricin B-type lectin domain at the N-terminus. The ricin B-type lectin domain shows a beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Each subdomain may harbor a sugar-binding pocket. One member of this family, MRC1, is missing the gamma subdomain. Pssm-ID: 467784 [Multi-domain] Cd Length: 119 Bit Score: 37.58 E-value: 3.62e-03
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| GT_2_like_a | cd02522 | GT_2_like_a represents a glycosyltransferase family-2 subfamily with unknown function; ... |
180-401 | 4.38e-03 | |||||
GT_2_like_a represents a glycosyltransferase family-2 subfamily with unknown function; Glycosyltransferase family 2 (GT-2) subfamily of unknown function. GT-2 includes diverse families of glycosyltransferases with a common GT-A type structural fold, which has two tightly associated beta/alpha/beta domains that tend to form a continuous central sheet of at least eight beta-strands. These are enzymes that catalyze the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. Glycosyltransferases have been classified into more than 90 distinct sequence based families. Pssm-ID: 133013 [Multi-domain] Cd Length: 221 Bit Score: 39.09 E-value: 4.38e-03
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