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Conserved domains on  [gi|568948766|ref|XP_006541381|]
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sialic acid-binding Ig-like lectin 12 isoform X1 [Mus musculus]

Protein Classification

immunoglobulin domain-containing family protein( domain architecture ID 34076)

immunoglobulin (Ig) domain-containing family protein is a member of a large superfamily containing cell surface antigen receptors, co-receptors and co-stimulatory molecules of the immune system, molecules involved in antigen presentation to lymphocytes, cell adhesion molecules, certain cytokine receptors and intracellular muscle proteins; immunoglobulin domains are typically divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets

Graphical summary

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List of domain hits

 Name Accession Description Interval E-value
Ig super family cl11960
Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found ...
 25-146 2.71e-38

Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found in the Ig superfamily. The Ig superfamily is a heterogenous group of proteins, built on a common fold comprised of a sandwich of two beta sheets. Members of this group are components of immunoglobulin, neuroglia, cell surface glycoproteins, including T-cell receptors, CD2, CD4, CD8, and membrane glycoproteins, including butyrophilin and chondroitin sulfate proteoglycan core protein. A predominant feature of most Ig domains is a disulfide bridge connecting the two beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E, and D strands in one sheet and A', G, F, C, C' and C" in the other. The structures in C1-set are smaller than those in the V-set; they have one beta sheet that is formed by strands A, B, E, and D and the other by strands G, F, C, and C'. Moreover, a C1-set Ig domain contains a short C' strand (three residues) and lacks A' and C" strand. Unlike other Ig domain sets, C2-set structures do not have a D strand. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand.


The actual alignment was detected with superfamily member cd05712:

Pssm-ID: 472250  Cd Length: 119  Bit Score: 135.98  E-value: 2.71e-38
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  25 FTLNVERKVVVQEGLCVLVPCNFSYLkkrlTDWTDSDPVHGFWYREGTDRRKDSIVATNNPIRKAVKETRNRFFLLGDPW 104
Cdd:cd05712    1 WGLQMPKSVTVQEGLCVLIPCSFSYP----ADYWVSNPVHGYWYRGGPYPKYRPPVATNNRTREVHESTQGRFRLLGDPG 76

                         90       100       110       120
                 ....*....|....*....|....*....|....*....|...
gi 568948766 105 RNDCSLNIREIRKKDAGLYFFRLERGK-TKYNYMWDKMTLVVT 146
Cdd:cd05712   77 KKNCSLSISDARPEDSGKYFFRVERGDsNKYSYLSNQLSLTVT 119
Ig super family cl11960
Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found ...
 152-237 6.58e-27

Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found in the Ig superfamily. The Ig superfamily is a heterogenous group of proteins, built on a common fold comprised of a sandwich of two beta sheets. Members of this group are components of immunoglobulin, neuroglia, cell surface glycoproteins, including T-cell receptors, CD2, CD4, CD8, and membrane glycoproteins, including butyrophilin and chondroitin sulfate proteoglycan core protein. A predominant feature of most Ig domains is a disulfide bridge connecting the two beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E, and D strands in one sheet and A', G, F, C, C' and C" in the other. The structures in C1-set are smaller than those in the V-set; they have one beta sheet that is formed by strands A, B, E, and D and the other by strands G, F, C, and C'. Moreover, a C1-set Ig domain contains a short C' strand (three residues) and lacks A' and C" strand. Unlike other Ig domain sets, C2-set structures do not have a D strand. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand.


The actual alignment was detected with superfamily member cd20987:

Pssm-ID: 472250  Cd Length: 94  Bit Score: 104.19  E-value: 6.58e-27
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 152 PQILLPETLEAGHPSNLTCSVPWDCGwTAPPIFSWTGTSVSFLSTN---------TTGSSVLTITPQPQDHGTNLTCQVT 222
Cdd:cd20987    1 PNIHVPEELEAGQEVTLTCSVPDNCP-ALSPEFSWLGAALTPLPPVlgrleeegtTTHSSVLTFTPRPEDHGTNLTCQVK 79

                         90
                 ....*....|....*
gi 568948766 223 LPGTNVSTRMTIRLN 237
Cdd:cd20987   80 FPGATVTTERTIQLN 94
Ig super family cl11960
Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found ...
 263-342 5.21e-11

Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found in the Ig superfamily. The Ig superfamily is a heterogenous group of proteins, built on a common fold comprised of a sandwich of two beta sheets. Members of this group are components of immunoglobulin, neuroglia, cell surface glycoproteins, including T-cell receptors, CD2, CD4, CD8, and membrane glycoproteins, including butyrophilin and chondroitin sulfate proteoglycan core protein. A predominant feature of most Ig domains is a disulfide bridge connecting the two beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E, and D strands in one sheet and A', G, F, C, C' and C" in the other. The structures in C1-set are smaller than those in the V-set; they have one beta sheet that is formed by strands A, B, E, and D and the other by strands G, F, C, and C'. Moreover, a C1-set Ig domain contains a short C' strand (three residues) and lacks A' and C" strand. Unlike other Ig domain sets, C2-set structures do not have a D strand. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand.


The actual alignment was detected with superfamily member cd20948:

Pssm-ID: 472250  Cd Length: 76  Bit Score: 58.66  E-value: 5.21e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 263 GSSLPISEGQSLRLICSTDSYPPANLSWSWdNLTLcpskLSKPGLLELFPVHLKHGGVYTCQAQHALGSQHISLSLSPQS 342
Cdd:cd20948    2 PSDTYYLSGENLNLSCHAASNPPAQYSWTI-NGTF----QTSSQELFLPAITENNEGTYTCSAHNSLTGKNISLVLSVTV 76
 
Name Accession Description Interval E-value
IgV_CD33 cd05712
Immunoglobulin Variable (IgV) domain at the N-terminus of CD33 and related Siglecs (sialic ...
 25-146 2.71e-38

Immunoglobulin Variable (IgV) domain at the N-terminus of CD33 and related Siglecs (sialic acid-binding Ig-like lectins); The members here are composed of the immunoglobulin (Ig) domain at the N-terminus of Cluster of Differentiation (CD) 33 and related Siglecs (sialic acid-binding Ig-like lectins). Siglec refers to a structurally related protein family that specifically recognizes sialic acid in oligosaccharide chains of glycoproteins and glycolipids. Siglecs are type I transmembrane proteins, organized as an extracellular module composed of Ig-like domains, an N-terminal variable set of Ig-like carbohydrate recognition domains, and 1 to 16 constant Ig-like domains, followed by transmembrane and short cytoplasmic domains. Human Siglecs are classified into two subgroups, one subgroup is comprised of sialoadhesin (Siglec-1), CD22 (Siglec-2), and MAG, the other subgroup is comprised of CD33-related Siglecs which include CD33 (Siglec-3) and human Siglecs 5-11.


Pssm-ID: 409377  Cd Length: 119  Bit Score: 135.98  E-value: 2.71e-38
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  25 FTLNVERKVVVQEGLCVLVPCNFSYLkkrlTDWTDSDPVHGFWYREGTDRRKDSIVATNNPIRKAVKETRNRFFLLGDPW 104
Cdd:cd05712    1 WGLQMPKSVTVQEGLCVLIPCSFSYP----ADYWVSNPVHGYWYRGGPYPKYRPPVATNNRTREVHESTQGRFRLLGDPG 76

                         90       100       110       120
                 ....*....|....*....|....*....|....*....|...
gi 568948766 105 RNDCSLNIREIRKKDAGLYFFRLERGK-TKYNYMWDKMTLVVT 146
Cdd:cd05712   77 KKNCSLSISDARPEDSGKYFFRVERGDsNKYSYLSNQLSLTVT 119
IgC2_CD33_d2_like cd20987
Second immunoglobulin domain of Cluster of Differentiation (CD) 33 and related Siglecs; member ...
 152-237 6.58e-27

Second immunoglobulin domain of Cluster of Differentiation (CD) 33 and related Siglecs; member of the C2-set of IgSF domains; The members here are composed of the second immunoglobulin (Ig) domain of Cluster of Differentiation (CD) 33 (also known as sialic-acid binding immunoglobulin type-lectin 3 (Siglec-3)) and related Siglecs. CD33, a Siglec family member, is a well-known immunotherapeutic target in acute myeloid leukemia (AML). It is an inhibitory sialoadhesin expressed in human leukocytes of the myeloid lineage and some lymphoid subsets, including natural killer (NK) cells. Siglecs are primarily expressed on immune cells and recognize sialic acid-containing glycan ligands. Siglecs are organized as an extracellular module composed of Ig-like domains (an N-terminal variable set of Ig-like carbohydrate recognition domains, and 1 to 16 constant Ig-like domains), followed by transmembrane and short cytoplasmic domains. Human Siglecs are classified into two subgroups, one subgroup is comprised of sialoadhesin (Siglec-1), CD22 (Siglec-2), and MAG (Siglec-4, myelin-associated glycoprotein), the other subgroup is comprised of CD33-related Siglecs which include CD33 (Siglec-3) and human Siglecs 5-11. CD33 (Siglec-3) is the smallest Siglec member. It preferentially binds to alpha2-6- and alpha2-3-sialylated glycans and strongly binds to sialylated ligands on leukemic cell lines. Ig Superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. This group includes CD33-related Siglecs which belong to the C2-set of IgSF domains. Unlike the C1-set, the C2-set structures do not have a D strand.


Pssm-ID: 409579  Cd Length: 94  Bit Score: 104.19  E-value: 6.58e-27
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 152 PQILLPETLEAGHPSNLTCSVPWDCGwTAPPIFSWTGTSVSFLSTN---------TTGSSVLTITPQPQDHGTNLTCQVT 222
Cdd:cd20987    1 PNIHVPEELEAGQEVTLTCSVPDNCP-ALSPEFSWLGAALTPLPPVlgrleeegtTTHSSVLTFTPRPEDHGTNLTCQVK 79

                         90
                 ....*....|....*
gi 568948766 223 LPGTNVSTRMTIRLN 237
Cdd:cd20987   80 FPGATVTTERTIQLN 94
IgC2_CEACAM5-like cd20948
Fifth immunoglobulin (Ig)-like domain of the carcinoembryonic antigen (CEA) related cell ...
 263-342 5.21e-11

Fifth immunoglobulin (Ig)-like domain of the carcinoembryonic antigen (CEA) related cell adhesion molecule 5 (CEACAM5) and similar domains; member of the C2-set IgSF domains; The members here are composed of the fifth immunoglobulin (Ig)-like domain of the carcinoembryonic antigen (CEA) related cell adhesion molecule 5 (CEACAM5) and similar domains. The CEA family is a group of anchored or secreted glycoproteins, expressed by epithelial cells, leukocytes, endothelial cells and placenta. The CEA family is divided into the CEACAM and pregnancy-specific glycoprotein (PSG) subfamilies. Carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5), also known as CD66e (Cluster of Differentiation 66e), is a cell surface glycoprotein that plays a role in cell adhesion, intracellular signaling and tumor progression. Diseases associated with CEACAM5 include lung cancer and rectum cancer. IgSF domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. This group belongs to the C2-set of IgSF domains, having A, B, and E strands in one beta-sheet and A', G, F, C' in the other. Unlike other Ig domain sets, the C2-set lacks the D strand.


Pssm-ID: 409540  Cd Length: 76  Bit Score: 58.66  E-value: 5.21e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 263 GSSLPISEGQSLRLICSTDSYPPANLSWSWdNLTLcpskLSKPGLLELFPVHLKHGGVYTCQAQHALGSQHISLSLSPQS 342
Cdd:cd20948    2 PSDTYYLSGENLNLSCHAASNPPAQYSWTI-NGTF----QTSSQELFLPAITENNEGTYTCSAHNSLTGKNISLVLSVTV 76
Ig_3 pfam13927
Immunoglobulin domain; This family contains immunoglobulin-like domains.
 258-325 2.92e-08

Immunoglobulin domain; This family contains immunoglobulin-like domains.


Pssm-ID: 464046 [Multi-domain]  Cd Length: 78  Bit Score: 51.03  E-value: 2.92e-08
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 568948766  258 TILKNGSSLPISEGQSLRLICSTDSYPPANLSWSWDNLTLCPSKLSKP------GLLELFPVHLKHGGVYTCQA 325
Cdd:pfam13927   3 VITVSPSSVTVREGETVTLTCEATGSPPPTITWYKNGEPISSGSTRSRslsgsnSTLTISNVTRSDAGTYTCVA 76
V-set pfam07686
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ...
 29-146 6.63e-08

Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.


Pssm-ID: 462230  Cd Length: 109  Bit Score: 50.92  E-value: 6.63e-08
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766   29 VERKVVVQEGLCVLVPCNFSylkkrltDWTDSDPVHGFWYREGTDRRKDSIVATNNPIRKAVKeTRNRFFLLGDPWRNDC 108
Cdd:pfam07686   2 TPREVTVALGGSVTLPCTYS-------SSMSEASTSVYWYRQPPGKGPTFLIAYYSNGSEEGV-KKGRFSGRGDPSNGDG 73

                          90       100       110
                  ....*....|....*....|....*....|....*...
gi 568948766  109 SLNIREIRKKDAGLYFFRLerGKTKYNYMWDKMTLVVT 146
Cdd:pfam07686  74 SLTIQNLTLSDSGTYTCAV--IPSGEGVFGKGTRLTVL 109
IG_like smart00410
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG.
 264-339 3.41e-07

Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG.


Pssm-ID: 214653 [Multi-domain]  Cd Length: 85  Bit Score: 47.89  E-value: 3.41e-07
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766   264 SSLPISEGQSLRLICSTDSYPPANLSWSWDNLT-LCPS---KLSKPGL---LELFPVHLKHGGVYTCQAQHALGSQHISL 336
Cdd:smart00410   2 PSVTVKEGESVTLSCEASGSPPPEVTWYKQGGKlLAESgrfSVSRSGStstLTISNVTPEDSGTYTCAATNSSGSASSGT 81


                   ...
gi 568948766   337 SLS 339
Cdd:smart00410  82 TLT 84
C2-set_2 pfam08205
CD80-like C2-set immunoglobulin domain; These domains belong to the immunoglobulin superfamily.
 152-225 4.59e-04

CD80-like C2-set immunoglobulin domain; These domains belong to the immunoglobulin superfamily.


Pssm-ID: 400489  Cd Length: 89  Bit Score: 39.32  E-value: 4.59e-04
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  152 PQILLPET-LEAGHPS-NLTCSVpwdCGWTAPPIFSW-----------TGTSVSFLSTNTTGSSVLTITPQPQDHGTNLT 218
Cdd:pfam08205   1 PTIEPPASlLEGEGPEvVATCSS---AGGKPAPRITWyldgkpleaaeTSSEQDPESGLVTVTSELKLVPSRSDHGQSLT 77


                  ....*..
gi 568948766  219 CQVTLPG 225
Cdd:pfam08205  78 CQVSYGA 84
 
Name Accession Description Interval E-value
IgV_CD33 cd05712
Immunoglobulin Variable (IgV) domain at the N-terminus of CD33 and related Siglecs (sialic ...
 25-146 2.71e-38

Immunoglobulin Variable (IgV) domain at the N-terminus of CD33 and related Siglecs (sialic acid-binding Ig-like lectins); The members here are composed of the immunoglobulin (Ig) domain at the N-terminus of Cluster of Differentiation (CD) 33 and related Siglecs (sialic acid-binding Ig-like lectins). Siglec refers to a structurally related protein family that specifically recognizes sialic acid in oligosaccharide chains of glycoproteins and glycolipids. Siglecs are type I transmembrane proteins, organized as an extracellular module composed of Ig-like domains, an N-terminal variable set of Ig-like carbohydrate recognition domains, and 1 to 16 constant Ig-like domains, followed by transmembrane and short cytoplasmic domains. Human Siglecs are classified into two subgroups, one subgroup is comprised of sialoadhesin (Siglec-1), CD22 (Siglec-2), and MAG, the other subgroup is comprised of CD33-related Siglecs which include CD33 (Siglec-3) and human Siglecs 5-11.


Pssm-ID: 409377  Cd Length: 119  Bit Score: 135.98  E-value: 2.71e-38
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  25 FTLNVERKVVVQEGLCVLVPCNFSYLkkrlTDWTDSDPVHGFWYREGTDRRKDSIVATNNPIRKAVKETRNRFFLLGDPW 104
Cdd:cd05712    1 WGLQMPKSVTVQEGLCVLIPCSFSYP----ADYWVSNPVHGYWYRGGPYPKYRPPVATNNRTREVHESTQGRFRLLGDPG 76

                         90       100       110       120
                 ....*....|....*....|....*....|....*....|...
gi 568948766 105 RNDCSLNIREIRKKDAGLYFFRLERGK-TKYNYMWDKMTLVVT 146
Cdd:cd05712   77 KKNCSLSISDARPEDSGKYFFRVERGDsNKYSYLSNQLSLTVT 119
IgC2_CD33_d2_like cd20987
Second immunoglobulin domain of Cluster of Differentiation (CD) 33 and related Siglecs; member ...
 152-237 6.58e-27

Second immunoglobulin domain of Cluster of Differentiation (CD) 33 and related Siglecs; member of the C2-set of IgSF domains; The members here are composed of the second immunoglobulin (Ig) domain of Cluster of Differentiation (CD) 33 (also known as sialic-acid binding immunoglobulin type-lectin 3 (Siglec-3)) and related Siglecs. CD33, a Siglec family member, is a well-known immunotherapeutic target in acute myeloid leukemia (AML). It is an inhibitory sialoadhesin expressed in human leukocytes of the myeloid lineage and some lymphoid subsets, including natural killer (NK) cells. Siglecs are primarily expressed on immune cells and recognize sialic acid-containing glycan ligands. Siglecs are organized as an extracellular module composed of Ig-like domains (an N-terminal variable set of Ig-like carbohydrate recognition domains, and 1 to 16 constant Ig-like domains), followed by transmembrane and short cytoplasmic domains. Human Siglecs are classified into two subgroups, one subgroup is comprised of sialoadhesin (Siglec-1), CD22 (Siglec-2), and MAG (Siglec-4, myelin-associated glycoprotein), the other subgroup is comprised of CD33-related Siglecs which include CD33 (Siglec-3) and human Siglecs 5-11. CD33 (Siglec-3) is the smallest Siglec member. It preferentially binds to alpha2-6- and alpha2-3-sialylated glycans and strongly binds to sialylated ligands on leukemic cell lines. Ig Superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. This group includes CD33-related Siglecs which belong to the C2-set of IgSF domains. Unlike the C1-set, the C2-set structures do not have a D strand.


Pssm-ID: 409579  Cd Length: 94  Bit Score: 104.19  E-value: 6.58e-27
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 152 PQILLPETLEAGHPSNLTCSVPWDCGwTAPPIFSWTGTSVSFLSTN---------TTGSSVLTITPQPQDHGTNLTCQVT 222
Cdd:cd20987    1 PNIHVPEELEAGQEVTLTCSVPDNCP-ALSPEFSWLGAALTPLPPVlgrleeegtTTHSSVLTFTPRPEDHGTNLTCQVK 79

                         90
                 ....*....|....*
gi 568948766 223 LPGTNVSTRMTIRLN 237
Cdd:cd20987   80 FPGATVTTERTIQLN 94
IgC2_CEACAM5-like cd20948
Fifth immunoglobulin (Ig)-like domain of the carcinoembryonic antigen (CEA) related cell ...
 263-342 5.21e-11

Fifth immunoglobulin (Ig)-like domain of the carcinoembryonic antigen (CEA) related cell adhesion molecule 5 (CEACAM5) and similar domains; member of the C2-set IgSF domains; The members here are composed of the fifth immunoglobulin (Ig)-like domain of the carcinoembryonic antigen (CEA) related cell adhesion molecule 5 (CEACAM5) and similar domains. The CEA family is a group of anchored or secreted glycoproteins, expressed by epithelial cells, leukocytes, endothelial cells and placenta. The CEA family is divided into the CEACAM and pregnancy-specific glycoprotein (PSG) subfamilies. Carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5), also known as CD66e (Cluster of Differentiation 66e), is a cell surface glycoprotein that plays a role in cell adhesion, intracellular signaling and tumor progression. Diseases associated with CEACAM5 include lung cancer and rectum cancer. IgSF domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. This group belongs to the C2-set of IgSF domains, having A, B, and E strands in one beta-sheet and A', G, F, C' in the other. Unlike other Ig domain sets, the C2-set lacks the D strand.


Pssm-ID: 409540  Cd Length: 76  Bit Score: 58.66  E-value: 5.21e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 263 GSSLPISEGQSLRLICSTDSYPPANLSWSWdNLTLcpskLSKPGLLELFPVHLKHGGVYTCQAQHALGSQHISLSLSPQS 342
Cdd:cd20948    2 PSDTYYLSGENLNLSCHAASNPPAQYSWTI-NGTF----QTSSQELFLPAITENNEGTYTCSAHNSLTGKNISLVLSVTV 76
Ig_3 pfam13927
Immunoglobulin domain; This family contains immunoglobulin-like domains.
 258-325 2.92e-08

Immunoglobulin domain; This family contains immunoglobulin-like domains.


Pssm-ID: 464046 [Multi-domain]  Cd Length: 78  Bit Score: 51.03  E-value: 2.92e-08
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 568948766  258 TILKNGSSLPISEGQSLRLICSTDSYPPANLSWSWDNLTLCPSKLSKP------GLLELFPVHLKHGGVYTCQA 325
Cdd:pfam13927   3 VITVSPSSVTVREGETVTLTCEATGSPPPTITWYKNGEPISSGSTRSRslsgsnSTLTISNVTRSDAGTYTCVA 76
V-set pfam07686
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ...
 29-146 6.63e-08

Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.


Pssm-ID: 462230  Cd Length: 109  Bit Score: 50.92  E-value: 6.63e-08
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766   29 VERKVVVQEGLCVLVPCNFSylkkrltDWTDSDPVHGFWYREGTDRRKDSIVATNNPIRKAVKeTRNRFFLLGDPWRNDC 108
Cdd:pfam07686   2 TPREVTVALGGSVTLPCTYS-------SSMSEASTSVYWYRQPPGKGPTFLIAYYSNGSEEGV-KKGRFSGRGDPSNGDG 73

                          90       100       110
                  ....*....|....*....|....*....|....*...
gi 568948766  109 SLNIREIRKKDAGLYFFRLerGKTKYNYMWDKMTLVVT 146
Cdd:pfam07686  74 SLTIQNLTLSDSGTYTCAV--IPSGEGVFGKGTRLTVL 109
IG_like smart00410
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG.
 264-339 3.41e-07

Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG.


Pssm-ID: 214653 [Multi-domain]  Cd Length: 85  Bit Score: 47.89  E-value: 3.41e-07
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766   264 SSLPISEGQSLRLICSTDSYPPANLSWSWDNLT-LCPS---KLSKPGL---LELFPVHLKHGGVYTCQAQHALGSQHISL 336
Cdd:smart00410   2 PSVTVKEGESVTLSCEASGSPPPEVTWYKQGGKlLAESgrfSVSRSGStstLTISNVTPEDSGTYTCAATNSSGSASSGT 81


                   ...
gi 568948766   337 SLS 339
Cdd:smart00410  82 TLT 84
IgC1_CD22_d2 cd20938
Second immunoglobulin domain of Cluster of Differentiation (CD) 22; member of the Constant 1 ...
 152-238 8.12e-07

Second immunoglobulin domain of Cluster of Differentiation (CD) 22; member of the Constant 1 (C1)-set of IgSF domains; The members here are composed of the second immunoglobulin domain of clusters of differentiation (CD) 22 (also known as Siglec-2). CD22, a sialic-acid binding immunoglobulin type-lectin (Siglec) family member, is an inhibitory co-receptor of the B-cell receptor (BCR). The inhibitory function of CD22 and its restricted expression on B cells makes CD22 an attractive target against dysregulated B cells that cause autoimmune diseases and B-cell-derived cancers. CD22 plays a vital role in establishing a baseline level of B-cell inhibition, and thus is an important determinant of homeostasis in humoral immunity. Siglecs are primarily expressed on immune cells and recognize sialic acid-containing glycan ligands. Siglecs are organized as an extracellular module composed of Ig-like domains (an N-terminal variable set of Ig-like carbohydrate recognition domains, and 1 to 16 constant Ig-like domains), followed by transmembrane and short cytoplasmic domains. Human Siglecs are classified into two subgroups, one subgroup is comprised of sialoadhesin (Siglec-1), CD22 (Siglec-2), and MAG (Siglec-4, myelin-associated glycoprotein), the other subgroup is comprised of CD33-related Siglecs which include CD33 (Siglec-3) and human Siglecs 5-11. IgSF domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. This group belongs to the C1-set of IgSF domains.


Pssm-ID: 409532  Cd Length: 98  Bit Score: 47.25  E-value: 8.12e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 152 PQILLPETLEAGHPSNLTCSVPWDC-------GWT--APPIFSWTGTSVSFLSTNTTGSSVLTITPQPQDHGTNLTCQVT 222
Cdd:cd20938    3 PHIQLPPEIQESQEVTLTCLLNFSCygypiqlQWLleGSPMRQAAVTSTSLTIKSVFTRSELKFQPKWSHHGKIVTCQLQ 82

                         90
                 ....*....|....*.
gi 568948766 223 LPGTNVSTRMTIRLNV 238
Cdd:cd20938   83 DADGKVLSEDTVQLNV 98
Ig cd00096
Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found ...
 274-332 5.76e-06

Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found in the Ig superfamily. The Ig superfamily is a heterogenous group of proteins, built on a common fold comprised of a sandwich of two beta sheets. Members of this group are components of immunoglobulin, neuroglia, cell surface glycoproteins, including T-cell receptors, CD2, CD4, CD8, and membrane glycoproteins, including butyrophilin and chondroitin sulfate proteoglycan core protein. A predominant feature of most Ig domains is a disulfide bridge connecting the two beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E, and D strands in one sheet and A', G, F, C, C' and C" in the other. The structures in C1-set are smaller than those in the V-set; they have one beta sheet that is formed by strands A, B, E, and D and the other by strands G, F, C, and C'. Moreover, a C1-set Ig domain contains a short C' strand (three residues) and lacks A' and C" strand. Unlike other Ig domain sets, C2-set structures do not have a D strand. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand.


Pssm-ID: 409353 [Multi-domain]  Cd Length: 70  Bit Score: 44.24  E-value: 5.76e-06
                         10        20        30        40        50        60
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 568948766 274 LRLICSTDSYPPANLSWSWDNLTLCPSKLSKP------GLLELFPVHLKHGGVYTCQAQHALGSQ 332
Cdd:cd00096    1 VTLTCSASGNPPPTITWYKNGKPLPPSSRDSRrselgnGTLTISNVTLEDSGTYTCVASNSAGGS 65
Ig6_Contactin-2 cd05854
Sixth immunoglobulin (Ig) domain of contactin-2; The members here are composed of the sixth ...
 264-338 2.98e-05

Sixth immunoglobulin (Ig) domain of contactin-2; The members here are composed of the sixth immunoglobulin (Ig) domain of the neural cell adhesion molecule contactin-2-like. Contactins are comprised of six Ig domains followed by four fibronectin type III (FnIII) domains anchored to the membrane by glycosylphosphatidylinositol. Contactin-2 (TAG-1, axonin-1) facilitates cell adhesion by homophilic binding between molecules in apposed membranes. It may play a part in the neuronal processes of neurite outgrowth, axon guidance and fasciculation, and neuronal migration. The first four Ig domains form the intermolecular binding fragment, which arranges as a compact U-shaped module by contacts between IG domains 1 and 4, and domains 2 and 3. The different contactins show different expression patterns in the central nervous system. During development and in adulthood, contactin-2 is transiently expressed in subsets of central and peripheral neurons. Contactin-2 is also expressed in retinal amacrine cells (AC) in the developing chick retina, corresponding to the period of formation and maturation of AC processes.


Pssm-ID: 409440  Cd Length: 102  Bit Score: 43.11  E-value: 2.98e-05
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 264 SSLPISEGQSLRLICSTDSYPPANLSWSWdNLTLCPSKLSKP-------------GLLELFPVHLKHGGVYTCQAQHALG 330
Cdd:cd05854   10 SSADINQGENLTLQCHASHDPTMDLTFTW-SLDDFPIDLDKPnghyrrmevketiGDLVIVNAQLSHAGTYTCTAQTVVD 88


                 ....*...
gi 568948766 331 SQHISLSL 338
Cdd:cd05854   89 SASASATL 96
Ig_2 pfam13895
Immunoglobulin domain; This domain contains immunoglobulin-like domains.
 262-331 1.60e-04

Immunoglobulin domain; This domain contains immunoglobulin-like domains.


Pssm-ID: 464026 [Multi-domain]  Cd Length: 79  Bit Score: 40.46  E-value: 1.60e-04
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  262 NGSSLPISEGQSLRLICSTDSYPPANLSWSWDNLTLcpskLSKPGLLeLFPVHLKHGGVYTCQAQHALGS 331
Cdd:pfam13895   5 TPSPTVVTEGEPVTLTCSAPGNPPPSYTWYKDGSAI----SSSPNFF-TLSVSAEDSGTYTCVARNGRGG 69
IgI_2_Palladin_C cd20990
Second C-terminal immunoglobulin (Ig)-like domain of palladin; member of the I-set of Ig ...
 260-338 2.96e-04

Second C-terminal immunoglobulin (Ig)-like domain of palladin; member of the I-set of Ig superfamily (IgSF) domains; The members here are composed of the C-terminal immunoglobulin (Ig)-like domain of palladin. Palladin belongs to the palladin-myotilin-myopalladin family. Proteins belonging to this family contain multiple Ig-like domains and function as scaffolds, modulating actin cytoskeleton. Palladin binds to alpha-actinin ezrin, vasodilator-stimulated phosphoprotein VASP, SPIN90 (also known as DIP or mDia interacting protein), and Src. Palladin also binds F-actin directly, via its Ig3 domain. Palladin is expressed as several alternatively spliced isoforms, having various combinations of Ig-like domains, in a cell-type-specific manner. It has been suggested that palladin's different Ig-like domains may be specialized for distinct functions. This group belongs to the I-set of IgSF domains, having A-B-E-D strands in one beta-sheet and A'-G-F-C-C' in the other. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand.


Pssm-ID: 409582  Cd Length: 91  Bit Score: 40.08  E-value: 2.96e-04
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 260 LKNGSSLPISEGQSLRLICSTDSYPPANLSWSWDNLTLCPSKLSKPGLLE-------LFPVHLKHGGVYTCQAQHALGSQ 332
Cdd:cd20990    4 LQAPGDLTVQEGKLCRMDCKVSGLPTPDLSWQLDGKPIRPDSAHKMLVREngvhsliIEPVTSRDAGIYTCIATNRAGQN 83


                 ....*.
gi 568948766 333 HISLSL 338
Cdd:cd20990   84 SFNLEL 89
IgI_Titin_like cd05747
Immunoglobulin (Ig)-like domain of human titin C terminus and similar proteins; member of the ...
 257-339 3.53e-04

Immunoglobulin (Ig)-like domain of human titin C terminus and similar proteins; member of the I-set of Ig superfamily (IgSF) domains; The members here are composed of the fifth immunoglobulin (Ig)-like domain from the C-terminus of human titin x and similar proteins. Titin (also called connectin) is a fibrous sarcomeric protein specifically found in vertebrate striated muscle. Titin is gigantic; depending on isoform composition it ranges from 2970 to 3700 kDa, and is of a length that spans half a sarcomere. Titin largely consists of multiple repeats of Ig-like and fibronectin type 3 (FN-III)-like domains. Titin connects the ends of myosin thick filaments to Z disks and extends along the thick filament to the H zone and appears to function similar to an elastic band, keeping the myosin filaments centered in the sarcomere during muscle contraction or stretching. This group belongs to the I-set of IgSF domains, having A-B-E-D strands in one beta-sheet and A'-G-F-C-C' in the other. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand.


Pssm-ID: 143224 [Multi-domain]  Cd Length: 92  Bit Score: 39.65  E-value: 3.53e-04
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 257 STILKNGSSLPISEGQSLRLICSTDSYPPANLSWSWDNLTLCPSKLSK------PGLLELFPVHLKHGGVYTCQAQHALG 330
Cdd:cd05747    4 ATILTKPRSLTVSEGESARFSCDVDGEPAPTVTWMREGQIIVSSQRHQitsteyKSTFEISKVQMSDEGNYTVVVENSEG 83


                 ....*....
gi 568948766 331 SQHISLSLS 339
Cdd:cd05747   84 KQEAQFTLT 92
C2-set_2 pfam08205
CD80-like C2-set immunoglobulin domain; These domains belong to the immunoglobulin superfamily.
 152-225 4.59e-04

CD80-like C2-set immunoglobulin domain; These domains belong to the immunoglobulin superfamily.


Pssm-ID: 400489  Cd Length: 89  Bit Score: 39.32  E-value: 4.59e-04
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  152 PQILLPET-LEAGHPS-NLTCSVpwdCGWTAPPIFSW-----------TGTSVSFLSTNTTGSSVLTITPQPQDHGTNLT 218
Cdd:pfam08205   1 PTIEPPASlLEGEGPEvVATCSS---AGGKPAPRITWyldgkpleaaeTSSEQDPESGLVTVTSELKLVPSRSDHGQSLT 77


                  ....*..
gi 568948766  219 CQVTLPG 225
Cdd:pfam08205  78 CQVSYGA 84
IgV_CD22_d1 cd20929
First immunoglobulin domain of Cluster of Differentiation (CD) 22; member of the V-set of IgSF ...
 37-134 1.12e-03

First immunoglobulin domain of Cluster of Differentiation (CD) 22; member of the V-set of IgSF domains; The members here are composed of the first immunoglobulin domain in Cluster of Differentiation (CD) 22 (also known as Siglec-2). CD22, a sialic-acid binding immunoglobulin type-lectin (Siglec) family member, is an inhibitory co-receptor of the B-cell receptor (BCR). The inhibitory function of CD22 and its restricted expression on B cells makes CD22 an attractive target against dysregulated B cells that cause autoimmune diseases and B-cell-derived cancers. CD22 plays a vital role in establishing a baseline level of B-cell inhibition, and thus is an important determinant of homeostasis in humoral immunity. Siglecs are primarily expressed on immune cells and recognize sialic acid-containing glycan ligands. Siglecs are organized as an extracellular module composed of Ig-like domains (an N-terminal variable set of Ig-like carbohydrate recognition domains, and 1 to 16 constant Ig-like domains), followed by transmembrane and short cytoplasmic domains. Human Siglecs are classified into two subgroups, one subgroup is comprised of sialoadhesin (Siglec-1), CD22 (Siglec-2), and MAG (Siglec-4, myelin-associated glycoprotein), the other subgroup is comprised of CD33-related Siglecs which include CD33 (Siglec-3) and human Siglecs 5-11. IgSF domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. This group belongs to the V-set of IgSF domains.


Pssm-ID: 409523  Cd Length: 114  Bit Score: 38.83  E-value: 1.12e-03
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  37 EGLCVLVPCNFSYLKKRLTDWTdsdPVHGFWYREGTDRRKDSIVATNNPIRKAVKETRnRFFLLGDPWRNdCSLNIREIR 116
Cdd:cd20929   13 EGACVWIPCTYRALDGDLESFI---LFHNPEYNKATSKFDGTRLYESTKDGKVPSEQK-RVQFLGDKNKN-CTLSIHPVH 87

                         90
                 ....*....|....*...
gi 568948766 117 KKDAGLYFFRLERGKTKY 134
Cdd:cd20929   88 LNDSGQLGLRMESKTEKW 105
ig pfam00047
Immunoglobulin domain; Members of the immunoglobulin superfamily are found in hundreds of ...
 264-338 1.73e-03

Immunoglobulin domain; Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-protein and protein-ligand interactions.


Pssm-ID: 395002  Cd Length: 86  Bit Score: 37.56  E-value: 1.73e-03
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  264 SSLPISEGQSLRLICS-TDSYPPANLSWSWDNLTLCPSKLSKPG-------LLELFPVHLKHGGVYTCQAQHALGSQHIS 335
Cdd:pfam00047   4 PTVTVLEGDSATLTCSaSTGSPGPDVTWSKEGGTLIESLKVKHDngrttqsSLLISNVTKEDAGTYTCVVNNPGGSATLS 83


                  ...
gi 568948766  336 LSL 338
Cdd:pfam00047  84 TSL 86
IgC1_Tapasin_R cd05771
Tapasin-R immunoglobulin-like domain; member of the C1-set of Ig superfamily (IgSF) domains; ...
 152-222 2.35e-03

Tapasin-R immunoglobulin-like domain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the immunoglobulin-like domain on Tapasin-R. Tapasin is a V-C1 (variable-constant) immunoglobulin superfamily molecule present in the endoplasmic reticulum (ER), where it links MHC class I molecules to the transporter associated with antigen processing (TAP). Tapasin-R is a tapasin-related protein that contains similar structural motifs to Tapasin, with some marked differences, especially in the V domain, transmembrane and cytoplasmic regions. The majority of Tapasin-R is located within the ER; however, there may be some expression of Tapasin-R at the cell surface. Tapasin-R lacks an obvious ER retention signal.


Pssm-ID: 409428  Cd Length: 100  Bit Score: 37.47  E-value: 2.35e-03
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766 152 PQILLPETLEA--GHPSNLTCSV----PWDCG--WT------APPIFSWTGTSVSFLSTNTTG----SSVLTITPQPQDH 213
Cdd:cd05771    1 PRVRLSPKNLVkpDLPQTLSCHIagyyPLDVDveWLreepggSESQVSRDGVSLSSHRQSVDGtysiSSYLTLEPGTENR 80


                 ....*....
gi 568948766 214 GTNLTCQVT 222
Cdd:cd05771   81 GATYTCRVT 89
I-set pfam07679
Immunoglobulin I-set domain;
268-338 2.63e-03

Immunoglobulin I-set domain;


Pssm-ID: 400151 [Multi-domain]  Cd Length: 90  Bit Score: 37.24  E-value: 2.63e-03
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 568948766  268 ISEGQSLRLICSTDSYPPANLSWSWDNLTLCPS---KLSKPG---LLELFPVHLKHGGVYTCQAQHALGSQHISLSL 338
Cdd:pfam07679  12 VQEGESARFTCTVTGTPDPEVSWFKDGQPLRSSdrfKVTYEGgtyTLTISNVQPDDSGKYTCVATNSAGEAEASAEL 88
Ig3_Peroxidasin cd05745
Third immunoglobulin (Ig)-like domain of peroxidasin; The members here are composed of the ...
 270-339 4.65e-03

Third immunoglobulin (Ig)-like domain of peroxidasin; The members here are composed of the third immunoglobulin (Ig)-like domain in peroxidasin. Peroxidasin has a peroxidase domain and interacting extracellular motifs containing four Ig-like domains. It has been suggested that peroxidasin is secreted and has functions related to the stabilization of the extracellular matrix. It may play a part in various other important processes such as removal and destruction of cells which have undergone programmed cell death and protection of the organism against non-self.


Pssm-ID: 143222 [Multi-domain]  Cd Length: 74  Bit Score: 36.07  E-value: 4.65e-03
                         10        20        30        40        50        60        70
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 568948766 270 EGQSLRLICSTDSYPPANLSWSWDNLTLCPSK----LSKpGLLELFPVHLKHGGVYTCQAQHALGSQHISLSLS 339
Cdd:cd05745    1 EGQTVDFLCEAQGYPQPVIAWTKGGSQLSVDRrhlvLSS-GTLRISRVALHDQGQYECQAVNIVGSQRTVAQLT 73
ig pfam00047
Immunoglobulin domain; Members of the immunoglobulin superfamily are found in hundreds of ...
 157-234 8.69e-03

Immunoglobulin domain; Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-protein and protein-ligand interactions.


Pssm-ID: 395002  Cd Length: 86  Bit Score: 35.63  E-value: 8.69e-03
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 568948766  157 PETLEAGHPSNLTCSVPWDcgwTAPPIFSW-------TGTSVSFLSTNTTGSSVLTITPQPQDHGTNLTCQVTLPGTNVS 229
Cdd:pfam00047   5 TVTVLEGDSATLTCSASTG---SPGPDVTWskeggtlIESLKVKHDNGRTTQSSLLISNVTKEDAGTYTCVVNNPGGSAT 81


                  ....*
gi 568948766  230 TRMTI 234
Cdd:pfam00047  82 LSTSL 86
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options: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.
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