Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
CSCOP2B SuperfamilySuperantigen toxins C-terminal domain-like8034577 3000376 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyBacterial enterotoxins8041881 3000434 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain8034737 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054703 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain8055636 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054705 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CPF01123e1d5zC1 A: beta barrelsX: OB-foldH: Bacterial enterotoxins (From Topology)T: Bacterial enterotoxinsF: PF01123ECOD (1.6)
CPF02876e1d5zC2 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: PF02876ECOD (1.6)
APF07654e1d5zA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
APF00993e1d5zA2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00993ECOD (1.6)
BPF07654e1d5zB1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
BPF00969e1d5zB2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00969ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
Superantigen enterotoxin type B (SEB) Toxin Staphylococcus aureus entB*01 R-LIKE-DOMAIN SAG-DOMAIN TOX Protein IMGT (202411-0)
MH2 HLA-DRA*0101_HLA-DRB1*0401 II-ALPHA Homo sapiens (human) HLA-DRA*0101, HLA-DRA*0102 G-DOMAIN G-ALPHA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202411-0)
MH2 HLA-DRA*0101_HLA-DRB1*0401 II-BETA Homo sapiens (human) HLA-DRB1*0401 G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202411-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF01123Staphylococcal/Streptococcal toxin, OB-fold domain (Stap_Strp_toxin)Staphylococcal/Streptococcal toxin, OB-fold domainThis entry represents an OB-fold domain found in enterotoxins.Domain
PF02876Staphylococcal/Streptococcal toxin, beta-grasp domain (Stap_Strp_tox_C)Staphylococcal/Streptococcal toxin, beta-grasp domain- Family
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
PF00993Class II histocompatibility antigen, alpha domain (MHC_II_alpha)Class II histocompatibility antigen, alpha domain- Domain
PF00969Class II histocompatibility antigen, beta domain (MHC_II_beta)Class II histocompatibility antigen, beta domain- Domain
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
PROTEIN (ENTEROTOXIN TYPE B) -
PROTEIN (HLA CLASS II HISTOCOMPATIBILITY ANTIGEN)
PROTEIN (HLA CLASS II HISTOCOMPATIBILITY ANTIGEN)
PROTEIN (PEPTIDOMIMETIC INHIBITOR)---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR006123Staphylococcal/Streptococcal toxin, beta-grasp domainDomain
IPR006177Staphylococcal/streptococcal toxin, bacterialFamily
IPR006126Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved siteConserved Site
IPR016091Superantigen toxin, C-terminalHomologous Superfamily
IPR006173Staphylococcal/Streptococcal toxin, OB-foldDomain
IPR013307Superantigen, staphylococcal/streptococcal toxin, bacterialFamily
IPR008992EnterotoxinHomologous Superfamily
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR003597Immunoglobulin C1-setDomain
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR001003MHC class II, alpha chain, N-terminalDomain
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR003597Immunoglobulin C1-setDomain
IPR000353MHC class II, beta chain, N-terminalDomain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP01903
PharosP01911

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
ACE RESIDAA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354

PSI-MOD :  N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359
ALC Parent Component: ALA

RESIDAA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354

NH2 RESIDAA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 , AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100

PSI-MOD :  N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359 , L-alanine amide MOD:00090 , L-asparagine amide MOD:00092 , L-aspartic acid 1-amide MOD:00093 , L-glutamine amide MOD:00095 , L-glutamic acid 1-amide MOD:00096 , glycine amide MOD:00097 , L-isoleucine amide MOD:00099 , L-leucine amide MOD:00100 , L-lysine amide MOD:00101 , L-methionine amide MOD:00102 , L-proline amide MOD:00104 , L-serine amide MOD:00105 , L-threonine amide MOD:00106 , L-tryptophan amide MOD:00107 , L-tyrosine amide MOD:00108 , L-valine amide MOD:00109
ODA RESIDAA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 , AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100