1JL4 | pdb_00001jl4

CRYSTAL STRUCTURE OF THE HUMAN CD4 N-TERMINAL TWO DOMAIN FRAGMENT COMPLEXED TO A CLASS II MHC MOLECULE


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
DSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054739 3000071 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054493 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054719 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain 8034738 3000521 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMHC antigen-recognition domain 8034741 3000521 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054681 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DC2-sete1jl4D2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C2-setECOD (1.6)
DV-set_9e1jl4D1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_9ECOD (1.6)
BC1-set_2e1jl4B1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
BMHC_II_betae1jl4B2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: MHC_II_betaECOD (1.6)
AC1-set_2e1jl4A1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
AMHC_II_alphae1jl4A2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: MHC_II_alphaECOD (1.6)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
CD4 1V-1C-LIKE Homo sapiens (human) CD4 V-LIKE-DOMAIN V-LIKE, C-LIKE-DOMAIN C-LIKE RPI 1V-1C-LIKE IMGT (202549-0)
H2-ABk II-BETA Mus musculus (house mouse) H2-ABk G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202549-0)
H2-ABk II-ALPHA Mus musculus (house mouse) MH2-AA*02 G-DOMAIN G-ALPHA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202549-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF05790Immunoglobulin C2-set domain (C2-set)Immunoglobulin C2-set domainDomain
PF00047Immunoglobulin domain (ig)Immunoglobulin domainMembers 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-prote ...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.
Domain
PF00969Class II histocompatibility antigen, beta domain (MHC_II_beta)Class II histocompatibility antigen, beta domainDomain
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain
PF00993Class II histocompatibility antigen, alpha domain (MHC_II_alpha)Class II histocompatibility antigen, alpha domainDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
T-CELL SURFACE GLYCOPROTEIN CD4
OVOTRANSFERRIN
H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, A-K BETA CHAIN
H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, A-K ALPHA CHAIN

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR021963T cell CD4 receptor C-terminal regionDomain
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR013106Immunoglobulin V-set domainDomain
IPR000973T-cell surface antigen CD4Family
IPR003599Immunoglobulin domain subtypeDomain
IPR008424Immunoglobulin C2-setDomain
IPR013151Immunoglobulin-like beta-sandwich domainDomain
IPR015274CD4, extracellularDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR003598Immunoglobulin subtype 2Domain
IPR016357TransferrinFamily
IPR001156Transferrin-like domainDomain
IPR018195Transferrin family, iron binding siteBinding Site
IPR000353MHC class II, beta chain, N-terminalDomain
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
IPR003597Immunoglobulin C1-setDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
IPR003597Immunoglobulin C1-setDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR001003MHC class II, alpha chain, N-terminalDomain
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP01730