Symmetric model of CD4- and 17-bound B41 HIV-1 Env SOSIP in complex with small molecule GO52
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| N | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | SCOP2B (2022-06-29) |
| I [auth G] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | SCOP2B (2022-06-29) |
| D [auth C] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | SCOP2B (2022-06-29) |
| L [auth K] | SCOP2B Superfamily | Virus ectodomain | 8085612 | 3001628 | SCOP2B (2022-06-29) |
| G [auth E] | SCOP2B Superfamily | Virus ectodomain | 8085612 | 3001628 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Virus ectodomain | 8085612 | 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) |
|---|---|---|---|---|---|---|---|---|
| O | V-set_10 | e6x5bO1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_10 | ECOD (1.6) |
| J [auth I] | V-set_10 | e6x5bI1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_10 | ECOD (1.6) |
| E [auth H] | V-set_10 | e6x5bH1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_10 | ECOD (1.6) |
| N | V-set_9 | e6x5bN1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_9 | ECOD (1.6) |
| I [auth G] | V-set_9 | e6x5bG1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_9 | ECOD (1.6) |
| D [auth C] | V-set_9 | e6x5bC1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_9 | ECOD (1.6) |
| M | V-set | e6x5bM1 | 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) |
| H [auth F] | V-set | e6x5bF1 | 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 L] | V-set | e6x5bL1 | 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 K] | GP41_1st | e6x5bK1 | 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 E] | GP41_1st | e6x5bE1 | 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 | e6x5bB1 | 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) |
| K [auth J] | GP120_3rd | e6x5bJ1 | 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) |
| K [auth J] | GP120_1st | e6x5bJ2 | 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) |
| F [auth D] | GP120_3rd | e6x5bD1 | 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) |
| F [auth D] | GP120_1st | e6x5bD2 | 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_3rd | e6x5bA1 | 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 | e6x5bA2 | 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 |
|---|---|---|---|---|---|---|---|---|
| E [auth H], J [auth I], O | Fab 17b, anti-HIV-1, broadly neutralizing | VH-CH1 | Homo sapiens (human) | IGHV1-69*02, IGHV1-69*04, IGHV1-69*09, IGHJ5*01, IGHJ5*02, 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 | FAB-GAMMA-1_KAPPA | IMGT (202546-0) |
| C [auth L], H [auth F], M | Fab 17b, anti-HIV-1, broadly neutralizing | L-KAPPA | Homo sapiens (human) | IGKV3-15*01, IGKV3D-15*01, IGKJ5*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202546-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| E [auth H], J [auth I], O | Heavy Chain | IGHV1 | - | envelope glycoprotein gp120 | SAbDab (2025-11-28) |
| C [auth L], H [auth F], M | Light Chain | IGKV3 | Kappa | envelope glycoprotein gp120 | SAbDab (2025-11-28) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| D [auth C], I [auth G], N | PF00047 | Immunoglobulin domain (ig) | Immunoglobulin domain | Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prote ... | Domain |
| B, G [auth E], L [auth K] | PF00517 | Retroviral envelope protein (GP41) | Retroviral envelope protein | - | Family |
| A, F [auth D], K [auth J] | PF00516 | Envelope glycoprotein GP120 (GP120) | Envelope glycoprotein GP120 | The envelope glycoprotein Gp160 of HIV1 is cleaved into the surface protein Gp120 and the transmembrane protein Gp41. The entry of HIV requires interaction of viral GP120 with the CD4 glycoprotein (Swiss:P01730) and a chemokine receptor on the cell s ... | Domain |














