6E5P

Backbone model based on cryo-EM map at 8.5 A of domain-swapped, glycan-reactive, neutralizing antibody 2G12 bound to HIV-1 Env BG505 DS-SOSIP, which was also bound to CD4-binding site antibody VRC03


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
E [auth A]SCOP2B Superfamilygp120 core 8080371 3001390 SCOP2B (2022-06-29)
G [auth C]SCOP2B Superfamilygp120 core 8080371 3001390 SCOP2B (2022-06-29)
I [auth E]SCOP2B Superfamilygp120 core 8080371 3001390 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth 1]C1-set_4e6e5p12 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
A [auth 1]V-sete6e5p11 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
D [auth 4]C1-set_4e6e5p41 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
D [auth 4]V-sete6e5p42 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
N [auth K]C1-set_4e6e5pK2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
N [auth K]V-sete6e5pK1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
O [auth L]C1-set_4e6e5pL1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
O [auth L]V-sete6e5pL2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
S [auth Q]C1-set_4e6e5pQ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
S [auth Q]V-sete6e5pQ2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
V [auth T]C1-set_4e6e5pT1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
V [auth T]V-sete6e5pT2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
B [auth 2]C1-set_1e6e5p22 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
B [auth 2]V-set_12e6e5p21 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
C [auth 3]C1-set_1e6e5p32 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
C [auth 3]V-set_12e6e5p31 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
K [auth H]C1-set_1e6e5pH2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
K [auth H]V-set_12e6e5pH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
P [auth M]C1-set_1e6e5pM2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
P [auth M]V-set_12e6e5pM1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
T [auth R]C1-set_1e6e5pR1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
T [auth R]V-set_12e6e5pR2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
U [auth S]C1-set_1e6e5pS2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
U [auth S]V-set_12e6e5pS1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
E [auth A]GP120_2nde6e5pA1 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)
E [auth A]GP120_3rde6e5pA3 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)
E [auth A]GP120_1ste6e5pA2 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
G [auth C]GP120_2nde6e5pC3 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)
G [auth C]GP120_3rde6e5pC1 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)
G [auth C]GP120_1ste6e5pC2 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
I [auth E]GP120_2nde6e5pE2 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)
I [auth E]GP120_3rde6e5pE1 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)
I [auth E]GP120_1ste6e5pE3 A: a+b two layersX: gp120 inner domain (From Topology)H: gp120 inner domain (From Topology)T: gp120 inner domainF: GP120_1stECOD (1.6)
F [auth B]GP41_1ste6e5pB1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
H [auth D]GP41_1ste6e5pD1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
J [auth F]GP41_1ste6e5pF1 A: a+b duplicates or obligate multimersX: MPER trimer (From Topology)H: MPER trimer (From Topology)T: MPER trimerF: GP41_1stECOD (1.6)
L [auth I]V-set_8e6e5pI1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
Q [auth O]V-set_8e6e5pO1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
W [auth V]V-set_8e6e5pV1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
M [auth J]V-sete6e5pJ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
R [auth P]V-sete6e5pP1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
X [auth W]V-sete6e5pW1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
Light ChainIGKV1 Kappapolysaccharide, envelope glycoprotein gp120SAbDab (2025-02-28)
M [auth J],
R [auth P],
X [auth W]
Light ChainIGKV3 Kappaenvelope glycoprotein gp120SAbDab (2025-02-28)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
E [auth A],
G [auth C],
I [auth E]
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
F [auth B],
H [auth D],
J [auth F]
PF00517Retroviral envelope protein (GP41)Retroviral envelope protein- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
2G12 Light chain---
2G12 heavy chain---
E [auth A],
G [auth C],
I [auth E]
Envelope glycoprotein gp120
F [auth B],
H [auth D],
J [auth F]
Envelope glycoprotein gp160
L [auth I],
Q [auth O],
W [auth V]
VRC03 heavy chain---
M [auth J],
R [auth P],
X [auth W]
VRC03 Light chain---