Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth C]SCOP2B Superfamilygp120 core 8080371 3001390 SCOP2B (2022-06-29)
B [auth D]SCOP2B Superfamilygp120 core 8080371 3001390 SCOP2B (2022-06-29)
C [auth A]SCOP2B Superfamilygp120 core 8080371 3001390 SCOP2B (2022-06-29)
D [auth B]SCOP2B SuperfamilyVirus ectodomain 8085614 3001628 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyVirus ectodomain 8085614 3001628 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyVirus ectodomain 8085614 3001628 SCOP2B (2022-06-29)
I [auth M]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054493 3000071 SCOP2B (2022-06-29)
I [auth M]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054739 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth C]GP120_2nde5u1fC3 A: beta barrelsX: V1/V2 domain in HIV gp120 (From Topology)H: V1/V2 domain in HIV gp120 (From Topology)T: V1/V2 domain in HIV gp120F: GP120_2ndECOD (1.6)
A [auth C]GP120_3rde5u1fC2 A: a+b two layersX: Ribosomal protein L31e-likeH: Ribosomal protein L31e/gp120 outer domain (From Topology)T: Ribosomal protein L31e/gp120 outer domainF: GP120_3rdECOD (1.6)
A [auth C]GP120_1ste5u1fC1 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
B [auth D]GP120_2nde5u1fD3 A: beta barrelsX: V1/V2 domain in HIV gp120 (From Topology)H: V1/V2 domain in HIV gp120 (From Topology)T: V1/V2 domain in HIV gp120F: GP120_2ndECOD (1.6)
B [auth D]GP120_3rde5u1fD1 A: a+b two layersX: Ribosomal protein L31e-likeH: Ribosomal protein L31e/gp120 outer domain (From Topology)T: Ribosomal protein L31e/gp120 outer domainF: GP120_3rdECOD (1.6)
B [auth D]GP120_1ste5u1fD2 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
C [auth A]GP120_2nde5u1fA3 A: beta barrelsX: V1/V2 domain in HIV gp120 (From Topology)H: V1/V2 domain in HIV gp120 (From Topology)T: V1/V2 domain in HIV gp120F: GP120_2ndECOD (1.6)
C [auth A]GP120_3rde5u1fA2 A: a+b two layersX: Ribosomal protein L31e-likeH: Ribosomal protein L31e/gp120 outer domain (From Topology)T: Ribosomal protein L31e/gp120 outer domainF: GP120_3rdECOD (1.6)
C [auth A]GP120_1ste5u1fA1 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
D [auth B]GP41_1ste5u1fB1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
EGP41_1ste5u1fE1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
FGP41_1ste5u1fF1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
G [auth H]V-set_8e5u1fH2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
G [auth H]C1-set_1e5u1fH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
H [auth L]C1-set_4e5u1fL2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
H [auth L]V-sete5u1fL1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
I [auth M]C2-sete5u1fM1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C2-setECOD (1.6)
I [auth M]CD4-extracele5u1fM4 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: CD4-extracelECOD (1.6)
I [auth M]V-set_9e5u1fM3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_9ECOD (1.6)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
G [auth H]Fab PGT145 VH-CH1 Homo sapiens (human) IGHV1-8*03, IGHJ1*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202507-0)
H [auth L]Fab PGT145 L-KAPPA Homo sapiens (human) IGKV2-28*01, IGKV2D-28*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202507-0)
I [auth M]T-cell surface glycoprotein CD4 1V-1C-1V-1C-LIKE Homo sapiens (human) CD4 V-LIKE-DOMAIN V-LIKE, C-LIKE-DOMAIN C-LIKE RPI 1V-1C-1V-1C-LIKE IMGT (202507-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
G [auth H]Heavy ChainIGHV1 -bg505 ds-sosip gp120 | bg505 ds-sosip gp120 | bg505 ds-sosip gp120SAbDab (2025-02-28)
H [auth L]Light ChainIGKV2 Kappabg505 ds-sosip gp120 | bg505 ds-sosip gp120 | bg505 ds-sosip gp120SAbDab (2025-02-28)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth C],
B [auth D],
C [auth A]
PF00516Envelope glycoprotein GP120 (GP120)Envelope glycoprotein GP120The envelope glycoprotein Gp160 of HIV1 is cleaved into the surface protein Gp120 and the transmembrane protein Gp41. The entry of HIV requires interaction of viral GP120 with the CD4 glycoprotein (Swiss:P01730) and a chemokine receptor on the cell s ...Domain
D [auth B],
E,
F
PF00517Retroviral envelope protein (GP41)Retroviral envelope protein- Family
I [auth M]PF05790Immunoglobulin C2-set domain (C2-set)Immunoglobulin C2-set domainDomain
I [auth M]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 ...Domain
I [auth M]PF09191CD4, extracellular (CD4-extracel)CD4, extracellularMembers of this family adopt an immunoglobulin-like beta-sandwich, with seven strands in 2 beta sheets, in a Greek key topology. They are predominantly found in the extracellular portion of CD4 proteins, where they enable interaction with major histo ...Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth C],
B [auth D],
C [auth A]
BG505 DS-SOSIP gp120
D [auth B],
E,
F
BG505 SOSIP gp41
G [auth H]PGT145 heavy chain---
H [auth L]PGT145 light chain---
I [auth M]T-cell surface glycoprotein CD4

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
I [auth M]PharosP01730

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
G [auth H]TYS Parent Component: TYR

RESIDAA0172

PSI-MOD :  O4'-sulfo-L-tyrosine MOD:00181