BG505 SOSIP.664 trimer in complex with broadly neutralizing HIV antibody 3BNC117
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| J | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| F [auth I] | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| I [auth G] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| E [auth F] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | gp120 core | 8080371 | 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) |
|---|---|---|---|---|---|---|---|---|
| H [auth T] | V-set | e5v8mT1 | 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 U] | V-set | e5v8mU1 | 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) |
| D [auth L] | V-set | e5v8mL1 | 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) |
| C [auth H] | V-set_8 | e5v8mH1 | 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 [auth S] | V-set_8 | e5v8mS1 | 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) |
| G [auth R] | V-set_8 | e5v8mR1 | 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) |
| J | GP41_1st | e5v8mJ1 | 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 [auth I] | GP41_1st | e5v8mI1 | 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) |
| B | GP41_1st | e5v8mB1 | 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) |
| I [auth G] | GP120_2nd | e5v8mG3 | 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) |
| I [auth G] | GP120_3rd | e5v8mG2 | 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) |
| I [auth G] | GP120_1st | e5v8mG1 | 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) |
| E [auth F] | GP120_2nd | e5v8mF3 | 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) |
| E [auth F] | GP120_3rd | e5v8mF2 | 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) |
| E [auth F] | GP120_1st | e5v8mF1 | 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) |
| A | GP120_2nd | e5v8mA1 | 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) |
| A | GP120_3rd | e5v8mA3 | 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) |
| A | GP120_1st | e5v8mA2 | 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) |
IMGT Antibody Annotation IMGT Database Homepage
| Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source |
|---|---|---|---|---|---|---|---|---|
| D [auth L], H [auth T], L [auth U] | - | L-KAPPA | Homo sapiens (human) | IGKV1-33*01, IGKV1D-33*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | (L-KAPPA) | IMGT (202605-0) |
| C [auth H], G [auth R], K [auth S] | - | VH-CH1 | Homo sapiens (human) | IGHV1-2*02, IGHJ3*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 | VH-CH1 | IMGT (202605-0) |
| B, F [auth I], J | - | null | Homo sapiens (human) | - | - | IG | VH-CH1 | IMGT (202605-0) |
| A, E [auth F], I [auth G] | - | null | Homo sapiens (human) | - | - | IG | VH-CH1 | IMGT (202605-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| D [auth L], H [auth T], L [auth U] | Light Chain | IGKV1 | Kappa | gp120 | SAbDab (2026-02-06) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| D [auth L], H [auth T], L [auth U] | Teropavimab | HIV-1 gp120 CD4bs | Therapeutic SAbDab (2026-02-06) |
| C [auth H], G [auth R], K [auth S] | 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 |
|---|---|---|---|
| B, F [auth I], J | IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain |
| B, F [auth I], J | IPR036377 | Gp120 core superfamily | Homologous Superfamily |
| B, F [auth I], J | IPR000328 | Retroviral envelope protein GP41-like | Domain |
| B, F [auth I], J | IPR037527 | Envelope glycoprotein Gp160 | Family |
| A, E [auth F], I [auth G] | IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain |
| A, E [auth F], I [auth G] | IPR036377 | Gp120 core superfamily | Homologous Superfamily |
| A, E [auth F], I [auth G] | IPR000328 | Retroviral envelope protein GP41-like | Domain |
| A, E [auth F], I [auth G] | IPR037527 | Envelope glycoprotein Gp160 | Family |














