glycosyltransferase family protein may 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
glycosyltransferase family 1 and related proteins with GTB topology; Glycosyltransferases ...
29-590
0e+00
glycosyltransferase family 1 and related proteins with GTB topology; Glycosyltransferases catalyze the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. The acceptor molecule can be a lipid, a protein, a heterocyclic compound, or another carbohydrate residue. The structures of the formed glycoconjugates are extremely diverse, reflecting a wide range of biological functions. The members of this family share a common GTB topology, one of the two protein topologies observed for nucleotide-sugar-dependent glycosyltransferases. GTB proteins have distinct N- and C- terminal domains each containing a typical Rossmann fold. The two domains have high structural homology despite minimal sequence homology. The large cleft that separates the two domains includes the catalytic center and permits a high degree of flexibility.
The actual alignment was detected with superfamily member cd04300:
Pssm-ID: 471961 [Multi-domain] Cd Length: 795 Bit Score: 1034.02 E-value: 0e+00
glycogen phosphorylase and similar proteins; This is a family of oligosaccharide ...
29-590
0e+00
glycogen phosphorylase and similar proteins; This is a family of oligosaccharide phosphorylases. It includes yeast and mammalian glycogen phosphorylases, plant starch/glucan phosphorylase, as well as the maltodextrin phosphorylases of bacteria. The members of this family catalyze the breakdown of oligosaccharides into glucose-1-phosphate units. They are important allosteric enzymes in carbohydrate metabolism. The allosteric control mechanisms of yeast and mammalian members of this family are different from that of bacterial members. The members of this family belong to the GT-B structural superfamily of glycoslytransferases, which have characteristic N- and C-terminal domains each containing a typical Rossmann fold. The two domains have high structural homology despite minimal sequence homology. The large cleft that separates the two domains includes the catalytic center and permits a high degree of flexibility.
Pssm-ID: 340853 [Multi-domain] Cd Length: 795 Bit Score: 1034.02 E-value: 0e+00
glycogen/starch/alpha-glucan phosphorylases; This family consists of phosphorylases. Members ...
32-590
0e+00
glycogen/starch/alpha-glucan phosphorylases; This family consists of phosphorylases. Members use phosphate to break alpha 1,4 linkages between pairs of glucose residues at the end of long glucose polymers, releasing alpha-D-glucose 1-phosphate. The nomenclature convention is to preface the name according to the natural substrate, as in glycogen phosphorylase, starch phosphorylase, maltodextrin phosphorylase, etc. Name differences among these substrates reflect differences in patterns of branching with alpha 1,6 linkages. Members include allosterically regulated and unregulated forms. A related family, TIGR02094, contains examples known to act well on particularly small alpha 1,4 glucans, as may be found after import from exogenous sources. [Energy metabolism, Biosynthesis and degradation of polysaccharides]
Pssm-ID: 273967 Cd Length: 794 Bit Score: 945.93 E-value: 0e+00
Carbohydrate phosphorylase; The members of this family catalyze the formation of glucose ...
141-590
0e+00
Carbohydrate phosphorylase; The members of this family catalyze the formation of glucose 1-phosphate from one of the following polyglucoses; glycogen, starch, glucan or maltodextrin.
Pssm-ID: 459770 Cd Length: 713 Bit Score: 922.88 E-value: 0e+00
glycogen phosphorylase and similar proteins; This is a family of oligosaccharide ...
29-590
0e+00
glycogen phosphorylase and similar proteins; This is a family of oligosaccharide phosphorylases. It includes yeast and mammalian glycogen phosphorylases, plant starch/glucan phosphorylase, as well as the maltodextrin phosphorylases of bacteria. The members of this family catalyze the breakdown of oligosaccharides into glucose-1-phosphate units. They are important allosteric enzymes in carbohydrate metabolism. The allosteric control mechanisms of yeast and mammalian members of this family are different from that of bacterial members. The members of this family belong to the GT-B structural superfamily of glycoslytransferases, which have characteristic N- and C-terminal domains each containing a typical Rossmann fold. The two domains have high structural homology despite minimal sequence homology. The large cleft that separates the two domains includes the catalytic center and permits a high degree of flexibility.
Pssm-ID: 340853 [Multi-domain] Cd Length: 795 Bit Score: 1034.02 E-value: 0e+00
glycogen/starch/alpha-glucan phosphorylases; This family consists of phosphorylases. Members ...
32-590
0e+00
glycogen/starch/alpha-glucan phosphorylases; This family consists of phosphorylases. Members use phosphate to break alpha 1,4 linkages between pairs of glucose residues at the end of long glucose polymers, releasing alpha-D-glucose 1-phosphate. The nomenclature convention is to preface the name according to the natural substrate, as in glycogen phosphorylase, starch phosphorylase, maltodextrin phosphorylase, etc. Name differences among these substrates reflect differences in patterns of branching with alpha 1,6 linkages. Members include allosterically regulated and unregulated forms. A related family, TIGR02094, contains examples known to act well on particularly small alpha 1,4 glucans, as may be found after import from exogenous sources. [Energy metabolism, Biosynthesis and degradation of polysaccharides]
Pssm-ID: 273967 Cd Length: 794 Bit Score: 945.93 E-value: 0e+00
Carbohydrate phosphorylase; The members of this family catalyze the formation of glucose ...
141-590
0e+00
Carbohydrate phosphorylase; The members of this family catalyze the formation of glucose 1-phosphate from one of the following polyglucoses; glycogen, starch, glucan or maltodextrin.
Pssm-ID: 459770 Cd Length: 713 Bit Score: 922.88 E-value: 0e+00
proteins similar to glycogen phosphorylase; This family is most closely related to the ...
145-511
1.46e-12
proteins similar to glycogen phosphorylase; This family is most closely related to the oligosaccharide phosphorylase domain family and other unidentified sequences. Oligosaccharide phosphorylase catalyzes the breakdown of oligosaccharides into glucose-1-phosphate units. They are important allosteric enzymes in carbohydrate metabolism.
Pssm-ID: 340852 [Multi-domain] Cd Length: 776 Bit Score: 71.23 E-value: 1.46e-12
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
of the residues that compose this conserved feature have been mapped to the query sequence.
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The table lists conserved domains identified on the query sequence. Click on the plus sign (+) on the left to display full descriptions, alignments, and scores.
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