HBcAg-D4 Fab complex
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| F [auth l], H [auth L] | Light Chain | IGKV2 | Kappa | capsid protein | capsid protein | SAbDab (2025-12-19) |
| E [auth h], G [auth H] | Heavy Chain | IGHV3 | - | capsid protein | capsid protein | SAbDab (2025-12-19) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A [auth B], B [auth A], C [auth D], D [auth C] | PF00906 | Hepatitis core antigen (Hepatitis_core) | Hepatitis core antigen | The core antigen of hepatitis viruses possesses a carboxyl terminus rich in arginine. On this basis it was predicted that the core antigen would bind DNA [1]. There is some experimental evidence to support this [2]. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| F [auth l], H [auth L] | Light chains of D4 Fab | - | - | - |
| E [auth h], G [auth H] | Heavy chains of D4 Fab | - | - | - |
| A [auth B], B [auth A], C [auth D], D [auth C] | Capsid protein | - | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| A [auth B], B [auth A], C [auth D], D [auth C] | IPR036459 | Viral capsid core domain supefamily, Hepatitis B virus | Homologous Superfamily |
| A [auth B], B [auth A], C [auth D], D [auth C] | IPR002006 | Hepatitis core antigen | Family |














