BG505 MD64 N332-GT5 SOSIP trimer in complex with BG18-like precursor HMP1 fragmentantigen binding and base-binding RM20A3 fragment antigen binding
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| M [auth J] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| G [auth C] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| N [auth M] | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| H [auth D] | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Virus ectodomain | 8085614 | 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) |
|---|---|---|---|---|---|---|---|---|
| M [auth J] | e6nf5J1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| G [auth C] | e6nf5C1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| A | e6nf5A1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| N [auth M] | e6nf5M1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| H [auth D] | e6nf5D1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| B | e6nf5B1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| O | e6nf5O1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| I [auth E] | e6nf5E1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| C [auth H] | e6nf5H1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| P | e6nf5P1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| J [auth F] | e6nf5F1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| D [auth L] | e6nf5L1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| Q | e6nf5Q1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| K [auth G] | e6nf5G1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| E [auth K] | e6nf5K1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| R | e6nf5R1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| L [auth I] | e6nf5I1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) | |
| F [auth N] | e6nf5N1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: NDK | F: | ECOD (20:10:01) |
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 |
|---|---|---|---|---|---|---|---|---|
| C [auth H], I [auth E], O | Fv germline reverted BG18 HMP1, anti-gp120 (V3-glycan) [HIV-1], | VH | Homo sapiens (human) | IGHV4-61*02, IGHJ6*04 | V-DOMAIN VH | IG | FV-HEAVY_LAMBDA | IMGT (202609-0) |
| D [auth L], J [auth F], P | Fv germline reverted BG18 HMP1, anti-gp120 (V3-glycan) [HIV-1], | V-LAMBDA | Homo sapiens (human) | IGLV3-25*02, IGLJ2*01, IGLJ3*02, IGLJ3*01 | V-DOMAIN V-LAMBDA | IG | FV-HEAVY_LAMBDA | IMGT (202609-0) |
| E [auth K], K [auth G], Q | broadly neutralizing | VH | Homo sapiens (human) | IGHV3-23*04, IGHJ4*01, IGHJ4*02, IGHJ4*03 | V-DOMAIN VH | IG | FV-HEAVY_LAMBDA | IMGT (202609-0) |
| F [auth N], L [auth I], R | broadly neutralizing | L-LAMBDA | Homo sapiens (human) | IGLV2-11*01, IGLV2-11*02, IGLJ2*01, IGLJ7*01, IGLJ3*01, IGLC1*02 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FV-HEAVY_LAMBDA | IMGT (202609-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| C [auth H], I [auth E], O | Heavy Chain | IGHV4 | - | hiv-1 env bg505 md64 n332-gt5 sosip gp120 | SAbDab (2026-03-13) |
| D [auth L], J [auth F], P | Light Chain | IGLV3 | Lambda | hiv-1 env bg505 md64 n332-gt5 sosip gp120 | SAbDab (2026-03-13) |
| E [auth K], K [auth G], Q | Heavy Chain | IGHV3 | - | hiv-1 env bg505 md64 n332-gt5 sosip gp41 | SAbDab (2026-03-13) |
| F [auth N], L [auth I], R | Light Chain | IGLV2 | Lambda | hiv-1 env bg505 md64 n332-gt5 sosip gp41 | SAbDab (2026-03-13) |














