9BBN | pdb_00009bbn

Cryo-EM structure of Chikungunya virus asymmetric unit with Fab C9

External Resource: Annotation


SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
H [auth M],
K [auth O],
P [auth Q],
T [auth S]		Heavy ChainIGHV1 -e2 glycoprotein | e3 glycoprotein | e1 glycoprotein, e2 glycoprotein | e1 glycoprotein | e3 glycoprotein, e2 glycoprotein | e3 glycoproteinSAbDab (2025-12-26)
I [auth N],
L [auth P],
Q [auth R],
U [auth T]		Light ChainIGKV3 Kappae2 glycoprotein | e3 glycoprotein | e1 glycoprotein, e2 glycoprotein | e1 glycoprotein | e3 glycoprotein, e2 glycoprotein | e3 glycoproteinSAbDab (2025-12-26)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth U],
B [auth W],
C [auth X],
X [auth V]		PF01563Alphavirus E3 glycoprotein (Alpha_E3_glycop)Alphavirus E3 glycoprotein- Family
D [auth C],
F [auth A],
J [auth B],
S [auth D]		PF01589Alphavirus E1 glycoprotein (Alpha_E1_glycop)Alphavirus E1 glycoprotein- Family
E [auth G],
G [auth E],
M [auth F],
V [auth H]		PF00943Alphavirus E2 glycoprotein (Alpha_E2_glycop)Alphavirus E2 glycoprotein- Family
N [auth J],
O [auth K],
R [auth I],
W [auth L]		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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth U],
B [auth W],
C [auth X],
X [auth V]		E3 glycoprotein
D [auth C],
F [auth A],
J [auth B],
S [auth D]		E1 glycoprotein
E [auth G],
G [auth E],
M [auth F],
V [auth H]		E2 glycoprotein
H [auth M],
K [auth O],
P [auth Q],
T [auth S]		Heavy chain of C9---
I [auth N],
L [auth P],
Q [auth R],
U [auth T]		Light chain of C9---
N [auth J],
O [auth K],
R [auth I],
W [auth L]		Capsid protein

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR002533Alphavirus E3 spike glycoproteinDomain
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR038055Flaviviral glycoprotein E, dimerisation domainHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR014756Immunoglobulin E-setHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR042304Alphavirus E2 glycoprotein, domain AHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR036253Flavivirus glycoprotein, central and dimerisation domain superfamilyHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR009003Peptidase S1, PA clanHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR042305Alphavirus E2 glycoprotein, domain BHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR042306Alphavirus E2 glycoprotein, domain CHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR000936Alphavirus E2 glycoproteinFamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR000930Peptidase S3, togavirinDomain
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR002548Alphavirus E1 glycoproteinDomain
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR000336Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamilyHomologous Superfamily
A [auth U],
B [auth W],
C [auth X],
X [auth V]		IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR002533Alphavirus E3 spike glycoproteinDomain
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR038055Flaviviral glycoprotein E, dimerisation domainHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR014756Immunoglobulin E-setHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR042304Alphavirus E2 glycoprotein, domain AHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR036253Flavivirus glycoprotein, central and dimerisation domain superfamilyHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR009003Peptidase S1, PA clanHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR042305Alphavirus E2 glycoprotein, domain BHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR042306Alphavirus E2 glycoprotein, domain CHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR000936Alphavirus E2 glycoproteinFamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR000930Peptidase S3, togavirinDomain
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR002548Alphavirus E1 glycoproteinDomain
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR000336Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamilyHomologous Superfamily
D [auth C],
F [auth A],
J [auth B],
S [auth D]		IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR002533Alphavirus E3 spike glycoproteinDomain
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR038055Flaviviral glycoprotein E, dimerisation domainHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR014756Immunoglobulin E-setHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR042304Alphavirus E2 glycoprotein, domain AHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR036253Flavivirus glycoprotein, central and dimerisation domain superfamilyHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR009003Peptidase S1, PA clanHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR042305Alphavirus E2 glycoprotein, domain BHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR042306Alphavirus E2 glycoprotein, domain CHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR000936Alphavirus E2 glycoproteinFamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR000930Peptidase S3, togavirinDomain
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR002548Alphavirus E1 glycoproteinDomain
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR000336Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamilyHomologous Superfamily
E [auth G],
G [auth E],
M [auth F],
V [auth H]		IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR002533Alphavirus E3 spike glycoproteinDomain
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR038055Flaviviral glycoprotein E, dimerisation domainHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR014756Immunoglobulin E-setHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR042304Alphavirus E2 glycoprotein, domain AHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR036253Flavivirus glycoprotein, central and dimerisation domain superfamilyHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR009003Peptidase S1, PA clanHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR042305Alphavirus E2 glycoprotein, domain BHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR042306Alphavirus E2 glycoprotein, domain CHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR000936Alphavirus E2 glycoproteinFamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR000930Peptidase S3, togavirinDomain
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR002548Alphavirus E1 glycoproteinDomain
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR000336Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamilyHomologous Superfamily
N [auth J],
O [auth K],
R [auth I],
W [auth L]		IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily