7CW3 | pdb_00007cw3

Cryo-EM structure of Chikungunya virus in complex with mAb CHK-263 IgG (subregion around icosahedral 2-fold vertex)


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
RA [auth t]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
U [auth s]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
RA [auth t]PA14e7cw3t1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
U [auth s]PA14e7cw3s1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
GA [auth n]PA14e7cw3n1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
J [auth r]PA14e7cw3r1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
TA [auth p]PA14e7cw3p1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
W [auth l]PA14e7cw3l1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
FA [auth m]PA14e7cw3m1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
I [auth q]PA14e7cw3q1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
SA [auth o]PA14e7cw3o1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
V [auth k]PA14e7cw3k1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
APA14e7cw3A1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
BA [auth Y]PA14e7cw3Y1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
CPA14e7cw3C1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
DA [auth S]PA14e7cw3S1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
E [auth G]PA14e7cw3G1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
G [auth E]PA14e7cw3E1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
HA [auth c]PA14e7cw3c1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
JA [auth a]PA14e7cw3a1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
KPA14e7cw3K1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
LA [auth Q]PA14e7cw3Q1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
M [auth I]PA14e7cw3I1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
NA [auth O]PA14e7cw3O1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
O [auth i]PA14e7cw3i1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
PA [auth M]PA14e7cw3M1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
Q [auth g]PA14e7cw3g1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
S [auth e]PA14e7cw3e1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
X [auth W]PA14e7cw3W1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)
Z [auth U]PA14e7cw3U1 A: a/b three-layered sandwichesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (v294.1)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
GA [auth n],
J [auth r],
TA [auth p],
W [auth l]
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)
FA [auth m],
I [auth q],
SA [auth o],
V [auth k]
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)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
GA [auth n],
J [auth r],
TA [auth p],
W [auth l]
Light ChainIGKV5 Kappae2 glycoprotein | e1 glycoprotein, unknown | unknown, capsid protein | capsid protein, fab light chain | fab heavy chainSAbDab (2026-03-27)
FA [auth m],
I [auth q],
SA [auth o],
V [auth k]
Heavy ChainIGHV1 -e2 glycoprotein | e1 glycoprotein, unknown | unknown, capsid protein | capsid protein, fab light chain | fab heavy chainSAbDab (2026-03-27)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00943Alphavirus E2 glycoprotein (Alpha_E2_glycop)Alphavirus E2 glycoprotein- Family
PF00944Alphavirus core protein (Peptidase_S3)Alphavirus core proteinAlso 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
PF00944Alphavirus core protein (Peptidase_S3)Alphavirus core proteinAlso 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
PF01589Alphavirus E1 glycoprotein (Alpha_E1_glycop)Alphavirus E1 glycoprotein- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
RA [auth t],
U [auth s]
Capsid protein
GA [auth n],
J [auth r],
TA [auth p],
W [auth l]
Fab light chain---
FA [auth m],
I [auth q],
SA [auth o],
V [auth k]
Fab heavy chain---
E2 glycoprotein
E1 glycoprotein

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
RA [auth t],
U [auth s]
IPR002533Alphavirus E3 spike glycoproteinDomain
RA [auth t],
U [auth s]
IPR038055Flaviviral glycoprotein E, dimerisation domainHomologous Superfamily
RA [auth t],
U [auth s]
IPR014756Immunoglobulin E-setHomologous Superfamily
RA [auth t],
U [auth s]
IPR042304Alphavirus E2 glycoprotein, domain AHomologous Superfamily
RA [auth t],
U [auth s]
IPR036253Flavivirus glycoprotein, central and dimerisation domain superfamilyHomologous Superfamily
RA [auth t],
U [auth s]
IPR043504Peptidase_S1_PA_chymotrypsinUnknown
RA [auth t],
U [auth s]
IPR009003Peptidase S1, PA clanHomologous Superfamily
RA [auth t],
U [auth s]
IPR042305Alphavirus E2 glycoprotein, domain BHomologous Superfamily
RA [auth t],
U [auth s]
IPR042306Alphavirus E2 glycoprotein, domain CHomologous Superfamily
RA [auth t],
U [auth s]
IPR000936Alphavirus E2 glycoproteinFamily
RA [auth t],
U [auth s]
IPR000930Peptidase S3, togavirinDomain
RA [auth t],
U [auth s]
IPR002548Alphavirus E1 glycoproteinDomain
RA [auth t],
U [auth s]
IPR000336Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamilyHomologous Superfamily
IPR002533Alphavirus E3 spike glycoproteinDomain
IPR038055Flaviviral glycoprotein E, dimerisation domainHomologous Superfamily
IPR014756Immunoglobulin E-setHomologous Superfamily
IPR042304Alphavirus E2 glycoprotein, domain AHomologous Superfamily
IPR036253Flavivirus glycoprotein, central and dimerisation domain superfamilyHomologous Superfamily
IPR043504Peptidase_S1_PA_chymotrypsinUnknown
IPR009003Peptidase S1, PA clanHomologous Superfamily
IPR042305Alphavirus E2 glycoprotein, domain BHomologous Superfamily
IPR042306Alphavirus E2 glycoprotein, domain CHomologous Superfamily
IPR000936Alphavirus E2 glycoproteinFamily
IPR000930Peptidase S3, togavirinDomain
IPR002548Alphavirus E1 glycoproteinDomain
IPR000336Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamilyHomologous Superfamily
IPR002533Alphavirus E3 spike glycoproteinDomain
IPR038055Flaviviral glycoprotein E, dimerisation domainHomologous Superfamily
IPR014756Immunoglobulin E-setHomologous Superfamily
IPR042304Alphavirus E2 glycoprotein, domain AHomologous Superfamily
IPR036253Flavivirus glycoprotein, central and dimerisation domain superfamilyHomologous Superfamily
IPR043504Peptidase_S1_PA_chymotrypsinUnknown
IPR009003Peptidase S1, PA clanHomologous Superfamily
IPR042305Alphavirus E2 glycoprotein, domain BHomologous Superfamily
IPR042306Alphavirus E2 glycoprotein, domain CHomologous Superfamily
IPR000936Alphavirus E2 glycoproteinFamily
IPR000930Peptidase S3, togavirinDomain
IPR002548Alphavirus E1 glycoproteinDomain
IPR000336Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamilyHomologous Superfamily