Fab arms of antibodies 4C12-B12 and CR3022 bound to pangolin receptor binding domain (pRBD)
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| H [auth K] | e8cwjK1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Iso_dh | F: | ECOD (20:10:01) | |
| J [auth V] | e8cwjV1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: V-set | F: | ECOD (20:10:01) | |
| G [auth J] | e8cwjJ1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Iso_dh | F: | ECOD (20:10:01) | |
| I [auth U] | e8cwjU1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: V-set | F: | ECOD (20:10:01) | |
| F [auth I] | e8cwjI1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: V-set | F: | ECOD (20:10:01) | |
| C [auth G] | e8cwjG1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: V-set | F: | ECOD (20:10:01) | |
| B [auth L] | e8cwjL1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Iso_dh | F: | ECOD (20:10:01) | |
| E [auth B] | e8cwjB1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: V-set | F: | ECOD (20:10:01) | |
| D [auth A] | e8cwjA1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Iso_dh | F: | ECOD (20:10:01) | |
| A [auth H] | e8cwjH1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: V-set | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| H [auth K] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| J [auth V] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| G [auth J] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| I [auth U] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [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 |
|---|---|---|---|---|---|
| H [auth K], J [auth V] | Light Chain | IGKV1 | Kappa | spike glycoprotein | SAbDab (2026-03-13) |
| G [auth J], I [auth U] | Heavy Chain | IGHV3 | - | spike glycoprotein | SAbDab (2026-03-13) |
| B [auth L], E [auth B] | Light Chain | IGKV4 | Kappa | spike glycoprotein | SAbDab (2026-03-13) |
| A [auth H], D [auth A] | Heavy Chain | IGHV5 | - | spike glycoprotein | SAbDab (2026-03-13) |














