7CW2 | pdb_00007cw2

Cryo-EM structure of Chikungunya virus in complex with Fab fragments of mAb CHK-263 (subregion around icosahedral 5-fold vertex)


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
Y [auth L]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
WA [auth S]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
TA [auth x]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
T [auth f]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
S [auth c]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
R [auth i]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
QA [auth u]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
NA [auth r]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
KA [auth o]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
I [auth F]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
HA [auth l]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
H [auth C]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
G [auth I]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
EA [auth R]SCOP2B SuperfamilyTrypsin-like serine proteases 8101317 3000114 SCOP2B (2022-06-29)
BA [auth O]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)
U [auth W]PA14e7cw2W1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
J [auth U]PA14e7cw2U1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
VPA14e7cw2V1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
K [auth T]PA14e7cw2T1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
Y [auth L]PA14e7cw2L1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
WA [auth S]PA14e7cw2S1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
TA [auth x]PA14e7cw2x1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
T [auth f]PA14e7cw2f1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
S [auth c]PA14e7cw2c1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
R [auth i]PA14e7cw2i1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
QA [auth u]PA14e7cw2u1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
NA [auth r]PA14e7cw2r1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
KA [auth o]PA14e7cw2o1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
I [auth F]PA14e7cw2F1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
HA [auth l]PA14e7cw2l1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
H [auth C]PA14e7cw2C1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
G [auth I]PA14e7cw2I1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
EA [auth R]PA14e7cw2R1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
BA [auth O]PA14e7cw2O1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
Z [auth M]PA14e7cw2M1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
W [auth J]PA14e7cw2J1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
UA [auth y]PA14e7cw2y1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
RA [auth v]PA14e7cw2v1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
P [auth d]PA14e7cw2d1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
OA [auth s]PA14e7cw2s1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
N [auth a]PA14e7cw2a1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
LA [auth p]PA14e7cw2p1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
L [auth g]PA14e7cw2g1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
IA [auth m]PA14e7cw2m1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
FA [auth j]PA14e7cw2j1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
E [auth D]PA14e7cw2D1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
CA [auth P]PA14e7cw2P1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
C [auth A]PA14e7cw2A1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)
A [auth G]PA14e7cw2G1 A: alpha bundlesX: CNF1/YfiH-like putative cysteine hydrolasesH: BromodomainT: BromodomainF: PA14ECOD (develop294)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
J [auth U],
U [auth W]
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 (202610-0)
K [auth T],
V
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 (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
J [auth U],
U [auth W]
Heavy ChainIGHV1 -e2 glycoprotein | e1 glycoprotein, unknown | unknownSAbDab (2026-03-20)
K [auth T],
V
Light ChainIGKV5 Kappae2 glycoprotein | e1 glycoprotein, unknown | unknownSAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
J [auth U],
U [auth W]
PF00943Alphavirus E2 glycoprotein (Alpha_E2_glycop)Alphavirus E2 glycoprotein- Family
J [auth U],
U [auth W]
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
K [auth T],
V
PF00943Alphavirus E2 glycoprotein (Alpha_E2_glycop)Alphavirus E2 glycoprotein- Family
K [auth T],
V
PF01589Alphavirus E1 glycoprotein (Alpha_E1_glycop)Alphavirus E1 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
PF00943Alphavirus E2 glycoprotein (Alpha_E2_glycop)Alphavirus E2 glycoprotein- Family
PF01589Alphavirus E1 glycoprotein (Alpha_E1_glycop)Alphavirus E1 glycoprotein- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
J [auth U],
U [auth W]
Fab heavy chain---
K [auth T],
V
Fab light chain---
Capsid protein
E2 glycoprotein
E1 glycoprotein

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
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
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