HBcAg-D4 Fab complex
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| H [auth L] | e8zrhL1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| F [auth l] | e8zrhl1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| G [auth H] | e8zrhH1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| E [auth h] | e8zrhh1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| D [auth C] | e8zrhC1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| C [auth D] | e8zrhD1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| B [auth A] | e8zrhA1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| A [auth B] | e8zrhB1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) |
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 (2026-06-26) |
| E [auth h], G [auth H] | Heavy Chain | IGHV3 | - | capsid protein | capsid protein | SAbDab (2026-06-26) |
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 |














