Cryo-EM structure of Chikungunya virus in complex with mAb CHK-263 IgG
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| C [auth F] | SCOP2 Family | Viral capsid proteases-like | 8101316 | 4002263 | SCOP2 (2022-06-29) |
| C [auth F] | SCOP2 Superfamily | Trypsin-like serine proteases | 8101317 | 3000114 | SCOP2 (2022-06-29) |
| J [auth L] | SCOP2B Superfamily | Trypsin-like serine proteases | 8101317 | 3000114 | SCOP2B (2022-06-29) |
| K [auth I] | SCOP2B Superfamily | Trypsin-like serine proteases | 8101317 | 3000114 | SCOP2B (2022-06-29) |
| P [auth C] | SCOP2B Superfamily | Trypsin-like serine proteases | 8101317 | 3000114 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth D] | PA14 | e7cw0D1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| F [auth G] | PA14 | e7cw0G1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| H [auth J] | PA14 | e7cw0J1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| N [auth A] | PA14 | e7cw0A1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| C [auth F] | PA14 | e7cw0F1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| J [auth L] | PA14 | e7cw0L1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| K [auth I] | PA14 | e7cw0I1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| P [auth C] | PA14 | e7cw0C1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| D [auth O] | PA14 | e7cw0O1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| L [auth Q] | PA14 | e7cw0Q1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| E [auth P] | PA14 | e7cw0P1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
| M [auth R] | PA14 | e7cw0R1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: Bromodomain | T: Bromodomain | F: PA14 | ECOD (v294.1) |
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 |
|---|---|---|---|---|---|---|---|---|
| D [auth O], L [auth Q] | mAb CHK-263 | VH-CH1 | Mus musculus (house mouse) | IGHV1-80*01, IGHJ2*01, IGHG2C*01, IGHG2C*02, IGHG2C*03 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202612-0) |
| E [auth P], M [auth R] | mAb CHK-263 | L-KAPPA | Mus musculus (house mouse) | IGKV5-43*01, IGKJ2*01, IGKC*01, IGKC*02 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202612-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| D [auth O], L [auth Q] | Heavy Chain | IGHV1 | - | e2 glycoprotein | e1 glycoprotein | SAbDab (2026-03-27) |
| E [auth P], M [auth R] | Light Chain | IGKV5 | Kappa | e2 glycoprotein | e1 glycoprotein | SAbDab (2026-03-27) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A [auth D], F [auth G], H [auth J], N [auth A] | PF01589 | Alphavirus E1 glycoprotein (Alpha_E1_glycop) | Alphavirus E1 glycoprotein | - | Family |
| B [auth E], G [auth H], I [auth K], O [auth B] | PF00943 | Alphavirus E2 glycoprotein (Alpha_E2_glycop) | Alphavirus E2 glycoprotein | - | Family |
| C [auth F], J [auth L], K [auth I], P [auth C] | PF00944 | Alphavirus core protein (Peptidase_S3) | Alphavirus core protein | Also known as coat protein C and capsid protein C. This makes the literature very confusing. Alphaviruses consist of a nucleoprotein core, a lipid membrane which envelopes the core, and glycoprotein spikes protruding from the lipid membrane. | Domain |














