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] | Ald_Xan_dh_C | e8cwjK1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Ald_Xan_dh_C | ECOD (v294.2) |
| J [auth V] | Peptidase_C1 | e8cwjV1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Peptidase_C1 | ECOD (v294.2) |
| G [auth J] | Ald_Xan_dh_C | e8cwjJ1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Ald_Xan_dh_C | ECOD (v294.2) |
| I [auth U] | Peptidase_C1 | e8cwjU1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Peptidase_C1 | ECOD (v294.2) |
| F [auth I] | Peptidase_C1 | e8cwjI1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Peptidase_C1 | ECOD (v294.2) |
| C [auth G] | Peptidase_C1 | e8cwjG1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Peptidase_C1 | ECOD (v294.2) |
| E [auth B] | Peptidase_C1 | e8cwjB1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Peptidase_C1 | ECOD (v294.2) |
| B [auth L] | Ald_Xan_dh_C | e8cwjL1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Ald_Xan_dh_C | ECOD (v294.2) |
| A [auth H] | Peptidase_C1 | e8cwjH1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Peptidase_C1 | ECOD (v294.2) |
| D [auth A] | Ald_Xan_dh_C | e8cwjA1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: Ald_Xan_dh_C | ECOD (v294.2) |
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) |
| E [auth B] | 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) |
| A [auth H] | 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) |
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 (2026-05-08) |
| G [auth J], I [auth U] | Heavy Chain | IGHV3 | - | spike glycoprotein | SAbDab (2026-05-08) |
| B [auth L], E [auth B] | Light Chain | IGKV4 | Kappa | spike glycoprotein | SAbDab (2026-05-08) |
| A [auth H], D [auth A] | Heavy Chain | IGHV5 | - | spike glycoprotein | SAbDab (2026-05-08) |














