Cryo-EM structure of 2909 Fab in complex with 3BNC117 Fab and CAP256.wk34.c80 SOSIP.RnS2 N160K HIV-1 Env trimer
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| J | SCOP2 Family | Virus ectodomain | 8106379 | 4003841 | SCOP2 (2022-06-29) |
| J | SCOP2 Superfamily | Virus ectodomain | 8106380 | 3001628 | SCOP2 (2022-06-29) |
| K | SCOP2B Superfamily | gp120 core | 8096290 | 3001390 | SCOP2B (2022-06-29) |
| G [auth D] | SCOP2B Superfamily | gp120 core | 8096290 | 3001390 | SCOP2B (2022-06-29) |
| C [auth G] | SCOP2B Superfamily | gp120 core | 8096290 | 3001390 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| N | GP41_1st | e7ly9N1 | A: a+b duplicates or obligate multimers | X: MPER trimer (From Topology) | H: MPER trimer (From Topology) | T: MPER trimer | F: GP41_1st | ECOD (1.6) |
| J | GP41_1st | e7ly9J1 | A: a+b duplicates or obligate multimers | X: MPER trimer (From Topology) | H: MPER trimer (From Topology) | T: MPER trimer | F: GP41_1st | ECOD (1.6) |
| F | GP41_1st | e7ly9F1 | A: a+b duplicates or obligate multimers | X: MPER trimer (From Topology) | H: MPER trimer (From Topology) | T: MPER trimer | F: GP41_1st | ECOD (1.6) |
| M | V-set | e7ly9M1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| I | V-set | e7ly9I1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| E [auth C] | V-set | e7ly9C1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| L [auth A] | V-set_8 | e7ly9A1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| H [auth E] | V-set_8 | e7ly9E1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| D [auth B] | V-set_8 | e7ly9B1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| K | GP120_2nd | e7ly9K3 | A: beta barrels | X: V1/V2 domain in HIV gp120 (From Topology) | H: V1/V2 domain in HIV gp120 (From Topology) | T: V1/V2 domain in HIV gp120 | F: GP120_2nd | ECOD (1.6) |
| K | GP120_3rd | e7ly9K1 | A: a+b two layers | X: Ribosomal protein L31e-like | H: Ribosomal protein L31e/gp120 outer domain (From Topology) | T: Ribosomal protein L31e/gp120 outer domain | F: GP120_3rd | ECOD (1.6) |
| K | GP120_1st | e7ly9K2 | A: a+b two layers | X: gp120 inner domain (From Topology) | H: gp120 inner domain (From Topology) | T: gp120 inner domain | F: GP120_1st | ECOD (1.6) |
| G [auth D] | GP120_2nd | e7ly9D2 | A: beta barrels | X: V1/V2 domain in HIV gp120 (From Topology) | H: V1/V2 domain in HIV gp120 (From Topology) | T: V1/V2 domain in HIV gp120 | F: GP120_2nd | ECOD (1.6) |
| G [auth D] | GP120_3rd | e7ly9D3 | A: a+b two layers | X: Ribosomal protein L31e-like | H: Ribosomal protein L31e/gp120 outer domain (From Topology) | T: Ribosomal protein L31e/gp120 outer domain | F: GP120_3rd | ECOD (1.6) |
| G [auth D] | GP120_1st | e7ly9D1 | A: a+b two layers | X: gp120 inner domain (From Topology) | H: gp120 inner domain (From Topology) | T: gp120 inner domain | F: GP120_1st | ECOD (1.6) |
| C [auth G] | GP120_2nd | e7ly9G1 | A: beta barrels | X: V1/V2 domain in HIV gp120 (From Topology) | H: V1/V2 domain in HIV gp120 (From Topology) | T: V1/V2 domain in HIV gp120 | F: GP120_2nd | ECOD (1.6) |
| C [auth G] | GP120_3rd | e7ly9G2 | A: a+b two layers | X: Ribosomal protein L31e-like | H: Ribosomal protein L31e/gp120 outer domain (From Topology) | T: Ribosomal protein L31e/gp120 outer domain | F: GP120_3rd | ECOD (1.6) |
| C [auth G] | GP120_1st | e7ly9G3 | A: a+b two layers | X: gp120 inner domain (From Topology) | H: gp120 inner domain (From Topology) | T: gp120 inner domain | F: GP120_1st | ECOD (1.6) |
| B [auth H] | V-set_12 | e7ly9H1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_12 | ECOD (1.6) |
| A [auth L] | V-set_3 | e7ly9L1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_3 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| M | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| I | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth C] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| L [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| H [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| E [auth C], I, M | Light Chain | IGKV1 | Kappa | envelope glycoprotein gp120 | SAbDab (2026-02-06) |
| B [auth H] | Heavy Chain | IGHV3 | - | envelope glycoprotein gp120 | SAbDab (2026-02-06) |
| A [auth L] | Light Chain | IGLV3 | Lambda | envelope glycoprotein gp120 | SAbDab (2026-02-06) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| E [auth C], I, M | Teropavimab | HIV-1 gp120 CD4bs | Therapeutic SAbDab (2026-02-06) |
| D [auth B], H [auth E], L [auth A] | Teropavimab | HIV-1 gp120 CD4bs | Therapeutic SAbDab (2026-02-06) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain | |
| IPR036377 | Gp120 core superfamily | Homologous Superfamily | |
| IPR000328 | Retroviral envelope protein GP41-like | Domain | |
| IPR037527 | Envelope glycoprotein Gp160 | Family | |
| C [auth G], G [auth D], K | IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain |
| C [auth G], G [auth D], K | IPR036377 | Gp120 core superfamily | Homologous Superfamily |
| C [auth G], G [auth D], K | IPR000328 | Retroviral envelope protein GP41-like | Domain |
| C [auth G], G [auth D], K | IPR037527 | Envelope glycoprotein Gp160 | Family |
Protein Modification Annotation
| Modified Residue(s) | ||
|---|---|---|
| Chain | Residue(s) | Description |
| B [auth H] | TYS | Parent Component: TYR :  AA0172 :  O4'-sulfo-L-tyrosine MOD:00181 |














