Cryo-EM structure of BG24 inferred germline Fabs with mature CDR3s and 10-1074 Fabs in complex with HIV-1 Env immunogen BG505-SOSIPv4.1-GT1
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| F | SCOP2B Superfamily | Virus ectodomain | 8085618 | 3001628 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | Virus ectodomain | 8085618 | 3001628 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | Virus ectodomain | 8085618 | 3001628 | 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 [auth L] | GSP_synth | e7ugoL1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| Q [auth K] | GSP_synth | e7ugoK1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| P [auth J] | GSP_synth | e7ugoJ1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| O [auth I] | GSP_synth | e7ugoI1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| N [auth H] | GSP_synth | e7ugoH1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| M [auth G] | GSP_synth | e7ugoG1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| L [auth R] | GSP_synth | e7ugoR1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| K [auth Q] | GSP_synth | e7ugoQ1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| J [auth P] | GSP_synth | e7ugoP1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| I [auth O] | GSP_synth | e7ugoO1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| H [auth N] | GSP_synth | e7ugoN1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| G [auth M] | GSP_synth | e7ugoM1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| F | GSP_synth | e7ugoF1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| E | GSP_synth | e7ugoE1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| D | GSP_synth | e7ugoD1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| C | GSP_synth | e7ugoC1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| B | GSP_synth | e7ugoB1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
| A | GSP_synth | e7ugoA1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: GSP_synth | ECOD (v294.1) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| P [auth J], Q [auth K], R [auth L] | Light Chain | IGLV2 | Lambda | envelope glycoprotein gp120 | SAbDab (2026-03-27) |
| M [auth G], N [auth H], O [auth I] | Heavy Chain | IGHV1 | - | envelope glycoprotein gp120 | SAbDab (2026-03-27) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| J [auth P], K [auth Q], L [auth R] | Zinlirvimab | HIV-1 gp120 V3 | Therapeutic SAbDab (2026-03-27) |
| G [auth M], H [auth N], I [auth O] | Zinlirvimab | HIV-1 gp120 V3 | Therapeutic SAbDab (2026-03-27) |
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 | |
| 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 |














