6EDU | pdb_00006edu

B41 SOSIP.664 in complex with soluble CD4 (D1-D2), the co-receptor mimicking antibody 21c and the broadly neutralizing antibody 8ANC195


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyVirus ectodomain 8085612 3001628 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyVirus ectodomain 8085612 3001628 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyVirus ectodomain 8085612 3001628 SCOP2B (2022-06-29)
DSCOP2B Superfamilygp120 core 8097270 3001390 SCOP2B (2022-06-29)
ESCOP2B Superfamilygp120 core 8097270 3001390 SCOP2B (2022-06-29)
FSCOP2B Superfamilygp120 core 8097270 3001390 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054493 3000071 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054493 3000071 SCOP2B (2022-06-29)
ISCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054493 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AGP41_1ste6eduA1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
BGP41_1ste6eduB1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
CGP41_1ste6eduC1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
DGP120_2nde6eduD1 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)
DGP120_3rde6eduD2 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)
DGP120_1ste6eduD3 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
EGP120_2nde6eduE2 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)
EGP120_3rde6eduE1 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)
EGP120_1ste6eduE3 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
FGP120_2nde6eduF3 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)
FGP120_3rde6eduF2 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)
FGP120_1ste6eduF1 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
GV-set_9e6eduG1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_9ECOD (1.6)
HV-set_9e6eduH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_9ECOD (1.6)
IV-set_9e6eduI1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_9ECOD (1.6)
JV-set_8e6eduJ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
LV-set_8e6eduL1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
NV-set_8e6eduN1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
KV-set_3e6eduK1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
MV-set_3e6eduM1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
OV-set_3e6eduO1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
QV-sete6eduQ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
SV-sete6eduS1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
UV-sete6eduU1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
PV-set_12e6eduP1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
RV-set_12e6eduR1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
TV-set_12e6eduT1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
J, L, N
Fab 21c, broadly neutralizing antibody VH-CH1 Homo sapiens (human) IGHV1-24*01, IGHJ4*01, IGHJ4*02, IGHJ4*03, 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_LAMBDA IMGT (202602-0)
K, M, O
Fab 21c, broadly neutralizing antibody L-LAMBDA Homo sapiens (human) IGLV1-51*01, IGLJ2*01, IGLJ3*02, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202602-0)
Q, S, U
Fab 8ANC195, broadly neutralizing antibody L-KAPPA Homo sapiens (human) IGKV1-5*01, IGKV1-5*02, IGKV1-5*03, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202602-0)
P, R, T
Fab 8ANC195, broadly neutralizing antibody VH-CH1 Homo sapiens (human) IGHV1-69*01, IGHV1-69*04, IGHV1-69*06, IGHV1-69*09, IGHV1-69*10, IGHV1-69*11, IGHV1-69*12, IGHV1-69*13, IGHV1-69*14, IGHV1-69D*01, IGHV1-69*15, IGHV1-69*17, IGHJ5*01, IGHG1*03, IGHG1*08, IGHG1*06 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202602-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
J, L, N
Heavy ChainIGHV1 -envelope glycoprotein gp160 | t-cell surface glycoprotein cd4SAbDab (2026-01-23)
K, M, O
Light ChainIGLV1 Lambdaenvelope glycoprotein gp160 | t-cell surface glycoprotein cd4SAbDab (2026-01-23)
Q, S, U
Light ChainIGKV1 Kappaenvelope glycoprotein gp160 | envelope glycoprotein gp160SAbDab (2026-01-23)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
G, H, I
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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C
Envelope glycoprotein gp160
D, E, F
Envelope glycoprotein gp160
G, H, I
T-cell surface glycoprotein CD4
J, L, N
21c Fab VH domain---
K, M, O
21c Fab VL domain---
Q, S, U
8ANC195 G52K5 Fab VL domain---
P, R, T
8ANC195 G52K5 Fab VH domain---

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
G, H, I
PharosP01730