HIV-1 Env BG505 SOSIP.664 H72C-H564C trimer in complex with bNAbs PGT122 Fab, 35O22 Fab and NIH45-46 scFv
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| Q [auth R] | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| L [auth J] | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| G [auth A] | SCOP2B Superfamily | Virus ectodomain | 8085614 | 3001628 | SCOP2B (2022-06-29) |
| E [auth Q] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| C [auth F] | 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) |
|---|---|---|---|---|---|---|---|---|
| U [auth V] | C1-set | e5wduV1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| U [auth V] | V-set_3 | e5wduV2 | 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) |
| P [auth N] | C1-set | e5wduN2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| P [auth N] | V-set_3 | e5wduN1 | 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) |
| K [auth I] | C1-set | e5wduI1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| K [auth I] | V-set_3 | e5wduI2 | 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) |
| T [auth U] | V-set_8 | e5wduU2 | 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) |
| T [auth U] | C1-set_1 | e5wduU1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| O [auth M] | V-set_8 | e5wduM1 | 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) |
| O [auth M] | C1-set_1 | e5wduM2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| J [auth H] | V-set_8 | e5wduH2 | 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 [auth H] | C1-set_1 | e5wduH1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| S [auth T] | V-set_8 | e5wduT1 | 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) |
| S [auth T] | C1-set_1 | e5wduT2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| N [auth L] | V-set_8 | e5wduL1 | 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) |
| N [auth L] | C1-set_1 | e5wduL2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| I [auth C] | V-set_8 | e5wduC2 | 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) |
| I [auth C] | C1-set_1 | e5wduC1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| R [auth S] | C1-set | e5wduS1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| R [auth S] | V-set_3 | e5wduS2 | 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) |
| M [auth K] | C1-set | e5wduK1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| M [auth K] | V-set_3 | e5wduK2 | 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) |
| H [auth B] | C1-set | e5wduB1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| H [auth B] | V-set_3 | e5wduB2 | 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) |
| Q [auth R] | GP41_1st | e5wduR1 | 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) |
| L [auth J] | GP41_1st | e5wduJ1 | 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) |
| G [auth A] | GP41_1st | e5wduA1 | 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 W] | V-set_12 | e5wduW1 | 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) |
| D [auth O] | V-set_12 | e5wduO1 | 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) |
| B [auth D] | V-set_12 | e5wduD1 | 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) |
| E [auth Q] | GP120_2nd | e5wduQ3 | 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 Q] | GP120_3rd | e5wduQ2 | 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 Q] | GP120_1st | e5wduQ1 | 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 F] | GP120_2nd | e5wduF3 | 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 F] | GP120_3rd | e5wduF2 | 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 F] | GP120_1st | e5wduF1 | 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 [auth G] | GP120_2nd | e5wduG2 | 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 [auth G] | GP120_3rd | e5wduG1 | 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 [auth G] | GP120_1st | e5wduG3 | 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 |
|---|---|---|---|---|---|---|---|---|
| K [auth I], P [auth N], U [auth V] | Fab 35O22, neutralizing antibody | L-LAMBDA | Homo sapiens (human) | IGLV2-14*02, IGLV2-18*02, IGLV2-23*01, IGLV2-23*02, IGLV2-23*03, IGLJ1*01, IGLC2*01, IGLC2*02, IGLC3*04 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-1_LAMBDA | IMGT (202603-0) |
| J [auth H], O [auth M], T [auth U] | Fab 35O22, neutralizing antibody | VH-CH1 | Homo sapiens (human) | IGHV1-18*01, IGHV1-18*04, IGHJ1*01, IGHJ4*01, IGHJ5*02, IGHJ4*02, IGHJ4*03, IGHG1*03 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202603-0) |
| I [auth C], N [auth L], S [auth T] | Fab PGT122, neutralizing antibody | VH-CH1 | Homo sapiens (human) | IGHV4-59*02, IGHJ3*01, IGHG1*03 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202603-0) |
| H [auth B], M [auth K], R [auth S] | Fab PGT122, neutralizing antibody | L-LAMBDA | Homo sapiens (human) | IGLV3-21*01, IGLV3-21*02, IGLJ3*02, IGLC3*03 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-1_LAMBDA | IMGT (202603-0) |
| B [auth D], D [auth O], F [auth W] | NIH45-46 scFv, neutralizing antibody | VH | Homo sapiens (human) | IGHV1-2*02, IGHV1-18*01, IGHV1-18*04, IGHJ1*01 | V-DOMAIN VH | IG | FV-HEAVY_KAPPA | IMGT (202603-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| I [auth C], N [auth L], S [auth T] | Heavy Chain | IGHV4 | - | envelope glycoprotein gp160 | SAbDab (2026-01-23) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Protein Modification Annotation
| Modified Residue(s) | ||
|---|---|---|
| Chain | Residue(s) | Description |
| B [auth D], D [auth O], F [auth W] | PCA | Parent Component: GLN :  AA0031 :  2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420 |














