Crystal structure of broadly neutralizing VH1-46 germline-derived CD4-binding site-directed antibody CH235 in complex with HIV-1 clade A/E 93TH057 gp120
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| C | Como_SCP | e5f9wC1 | A: alpha bundles | X: HTH | H: Baseplate wedge protein gp6 helical domain | T: Baseplate wedge protein gp6 helical domain | F: Como_SCP | ECOD (develop294) |
| F [auth L] | Como_SCP | e5f9wL1 | A: alpha bundles | X: HTH | H: Baseplate wedge protein gp6 helical domain | T: Baseplate wedge protein gp6 helical domain | F: Como_SCP | ECOD (develop294) |
| B | Como_SCP | e5f9wB1 | A: alpha bundles | X: HTH | H: Baseplate wedge protein gp6 helical domain | T: Baseplate wedge protein gp6 helical domain | F: Como_SCP | ECOD (develop294) |
| E [auth H] | Como_SCP | e5f9wH1 | A: alpha bundles | X: HTH | H: Baseplate wedge protein gp6 helical domain | T: Baseplate wedge protein gp6 helical domain | F: Como_SCP | ECOD (develop294) |
| D [auth G] | AWS | e5f9wG1 | A: alpha bundles | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AWS | ECOD (develop294) |
| A | AWS | e5f9wA1 | A: alpha bundles | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AWS | ECOD (develop294) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| C | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| F [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| E [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| D [auth G] | 2.170.40.20 | Mainly Beta | Beta Complex | HIV Envelope Protein Gp120 | Chain G | CATH (4.3.0) |
| A | 2.170.40.20 | Mainly Beta | Beta Complex | HIV Envelope Protein Gp120 | Chain G | CATH (4.3.0) |
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, F [auth L] | CH235 mAb, [HIV-1], broadly neutralizing | L-KAPPA | Homo sapiens (human) | IGKV3-15*01, IGKV3D-15*01, IGKJ1*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202610-0) |
| B, E [auth H] | CH235 mAb, [HIV-1], broadly neutralizing | VH-CH1 | Homo sapiens (human) | IGHV1-46*01, IGHV1-46*03, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202610-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| C, F [auth L] | Light Chain | IGKV3 | Kappa | clade a/e 93th057 hiv-1 gp120 core | SAbDab (2026-03-20) |
| B, E [auth H] | Heavy Chain | IGHV1 | - | clade a/e 93th057 hiv-1 gp120 core | SAbDab (2026-03-20) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| C, F [auth L] | Light chain of CH235-lineage antibody CH235 | - | - | - |
| B, E [auth H] | Heavy chain of CH235-lineage antibody CH235 | - | - | - |
| A, D [auth G] | clade A/E 93TH057 HIV-1 gp120 core | - |
|
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| A, D [auth G] | IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain |
| A, D [auth G] | IPR036377 | Gp120 core superfamily | Homologous Superfamily |














