anti-HIV-1 gp120-sCD4 complex antibody CG10 Fab in complex with B41-sCD4
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| I [auth F] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054739 | 3000071 | SCOP2B (2022-06-29) |
| I [auth F] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | SCOP2B (2022-06-29) |
| G [auth E] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | SCOP2B (2022-06-29) |
| G [auth E] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054739 | 3000071 | SCOP2B (2022-06-29) |
| E [auth D] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054739 | 3000071 | SCOP2B (2022-06-29) |
| E [auth D] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | 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 [auth Q] | V-set | e8d5cQ1 | 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) |
| M [auth J] | V-set | e8d5cJ1 | 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) |
| K [auth L] | V-set | e8d5cL1 | 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) |
| N [auth P] | V-set_8 | e8d5cP1 | 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) |
| L [auth I] | V-set_8 | e8d5cI1 | 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] | V-set_8 | e8d5cH1 | 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 F] | C2-set | e8d5cF1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C2-set | ECOD (1.6) |
| I [auth F] | V-set_9 | e8d5cF2 | 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) |
| G [auth E] | C2-set | e8d5cE1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C2-set | ECOD (1.6) |
| G [auth E] | V-set_9 | e8d5cE2 | 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) |
| E [auth D] | C2-set | e8d5cD2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C2-set | ECOD (1.6) |
| E [auth D] | V-set_9 | e8d5cD1 | 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) |
| H [auth C] | F_UNCLASSIFIED | e8d5cC3 | 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: F_UNCLASSIFIED | ECOD (1.6) |
| H [auth C] | GP120_3rd | e8d5cC2 | 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) |
| H [auth C] | GP120_1st | e8d5cC1 | 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 B] | F_UNCLASSIFIED | e8d5cB3 | 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: F_UNCLASSIFIED | ECOD (1.6) |
| F [auth B] | GP120_3rd | e8d5cB1 | 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 B] | GP120_1st | e8d5cB2 | 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) |
| D [auth A] | F_UNCLASSIFIED | e8d5cA1 | 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: F_UNCLASSIFIED | ECOD (1.6) |
| D [auth A] | GP120_3rd | e8d5cA2 | 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) |
| D [auth A] | GP120_1st | e8d5cA3 | 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 Z] | GP41_1st | e8d5cZ1 | 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 [auth Y] | GP41_1st | e8d5cY1 | 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) |
| A [auth X] | GP41_1st | e8d5cX1 | 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) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| O [auth Q] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| M [auth J] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| K [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| N [auth P] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| L [auth I] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| J [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| K [auth L], M [auth J], O [auth Q] | Light Chain | IGKV3 | Kappa | envelope glycoprotein gp160 | t-cell surface glycoprotein cd4 | SAbDab (2026-02-06) |
| J [auth H], L [auth I], N [auth P] | Heavy Chain | IGHV1 | - | envelope glycoprotein gp160 | t-cell surface glycoprotein cd4 | SAbDab (2026-02-06) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| E [auth D], G [auth E], I [auth F] | PF05790 | Immunoglobulin C2-set domain (C2-set) | Immunoglobulin C2-set domain | Domain | |
| E [auth D], G [auth E], I [auth F] | 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 |














