Annotations: 3J2X

Electron Cryo-microscopy of Chikungunya VLP in complex with neutralizing antibody Fab m242

External Resource: Annotation

Domain Annotation: ECOD Classification
IMGT Antibody Annotation
SAbDab Antibody Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
G	Peptidase_M10	e3j2xG1	A: alpha arrays	X: Major vault protein (MVP) structural repeat domain	H: Major vault protein (MVP) structural repeat domain	T: Major vault protein (MVP) structural repeat domain	F: Peptidase_M10	ECOD (v295.2)
E	Peptidase_M10	e3j2xE1	A: alpha arrays	X: Major vault protein (MVP) structural repeat domain	H: Major vault protein (MVP) structural repeat domain	T: Major vault protein (MVP) structural repeat domain	F: Peptidase_M10	ECOD (v295.2)
C	Peptidase_M10	e3j2xC1	A: alpha arrays	X: Major vault protein (MVP) structural repeat domain	H: Major vault protein (MVP) structural repeat domain	T: Major vault protein (MVP) structural repeat domain	F: Peptidase_M10	ECOD (v295.2)
A	SNase	e3j2xA1	A: alpha arrays	X: Long alpha-hairpin	H: C-terminal UvrC-binding domain of UvrB	T: C-terminal UvrC-binding domain of UvrB	F: SNase	ECOD (v295.2)
H	HSP70	e3j2xH1	A: alpha arrays	X: Major vault protein (MVP) structural repeat domain	H: Major vault protein (MVP) structural repeat domain	T: Major vault protein (MVP) structural repeat domain	F: HSP70	ECOD (v295.2)
F	HSP70	e3j2xF1	A: alpha arrays	X: Major vault protein (MVP) structural repeat domain	H: Major vault protein (MVP) structural repeat domain	T: Major vault protein (MVP) structural repeat domain	F: HSP70	ECOD (v295.2)
D	HSP70	e3j2xD1	A: alpha arrays	X: Major vault protein (MVP) structural repeat domain	H: Major vault protein (MVP) structural repeat domain	T: Major vault protein (MVP) structural repeat domain	F: HSP70	ECOD (v295.2)
B	SNase	e3j2xB1	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: SNase	ECOD (v295.2)

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
A, C, E, G	m242	L-KAPPA	Mus musculus (house mouse)	IGKV3-501, IGKJ401, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2A_KAPPA	IMGT (202633-0)
B, D, F, H	m242	VH-CH1	Mus musculus (house mouse)	IGHV1-6601, IGHJ401, IGHG2A01, IGHG2A02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2A_KAPPA	IMGT (202633-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, C, E, G	Light Chain	IGKV3	Kappa	-	SAbDab (2026-08-28)
B, D, F, H	Heavy Chain	IGHV1	-	-	SAbDab (2026-08-28)

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.