Cryo-EM structure of the HIV-1 BG505 IDL Env trimer in complex with 3BNC117 and 10-1074 Fabs
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| N | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| H [auth E] | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| M | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| G [auth A] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| A [auth G] | 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) |
|---|---|---|---|---|---|---|---|---|
| R | WD40 | e9bewR1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| L [auth K] | WD40 | e9bewK1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| F [auth L] | WD40 | e9bewL1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| Q | WD40 | e9bewQ1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| K [auth J] | WD40 | e9bewJ1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| E [auth H] | WD40 | e9bewH1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| P | WD40 | e9bewP1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| J [auth I] | WD40 | e9bewI1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| D | WD40 | e9bewD1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| O | WD40 | e9bewO1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| I [auth F] | WD40 | e9bewF1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| C | WD40 | e9bewC1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| N | WD40 | e9bewN1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| H [auth E] | WD40 | e9bewE1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| B | MIT | e9bewB01 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: MIT | ECOD (v294.2) |
| M | WD40 | e9bewM1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| G [auth A] | WD40 | e9bewA1 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: WD40 | ECOD (v294.2) |
| A [auth G] | MIT | e9bewG01 | A: beta barrels | X: cradle loop barrel | H: RIFT-related | T: acid protease | F: MIT | ECOD (v294.2) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| E [auth H], K [auth J], Q | Heavy Chain | IGHV4 | - | envelope glycoprotein gp120 | SAbDab (2026-06-05) |
| D, J [auth I], P | Light Chain | IGKV1 | Kappa | envelope glycoprotein gp120 | SAbDab (2026-06-05) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| F [auth L], L [auth K], R | Zinlirvimab | HIV-1 gp120 V3 | Therapeutic SAbDab (2026-06-05) |
| E [auth H], K [auth J], Q | Zinlirvimab | HIV-1 gp120 V3 | Therapeutic SAbDab (2026-06-05) |
| D, J [auth I], P | Teropavimab | HIV-1 gp120 CD4bs | Therapeutic SAbDab (2026-06-05) |
| C, I [auth F], O | Teropavimab | HIV-1 gp120 CD4bs | Therapeutic SAbDab (2026-06-05) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| B, H [auth E], N | IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain |
| B, H [auth E], N | IPR036377 | Gp120 core superfamily | Homologous Superfamily |
| B, H [auth E], N | IPR000328 | Retroviral envelope protein GP41-like | Domain |
| B, H [auth E], N | IPR037527 | Envelope glycoprotein Gp160 | Family |
| A [auth G], G [auth A], M | IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain |
| A [auth G], G [auth A], M | IPR036377 | Gp120 core superfamily | Homologous Superfamily |
| A [auth G], G [auth A], M | IPR000328 | Retroviral envelope protein GP41-like | Domain |
| A [auth G], G [auth A], M | IPR037527 | Envelope glycoprotein Gp160 | Family |














