Annotations: 9JIK

Rat hepatitis E virus capsid protein E2s domain in complex with Fab C127

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth B]	SCOP2B Superfamily	Norovirus P2 domain-like	8095553	3002678	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Norovirus P2 domain-like	8095553	3002678	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)
C [auth H]	LptD	e9jikH1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: Hypothetical protein YqbG-like	F: LptD	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth H], F [auth C]	Heavy Chain	IGHV1	-	pro-secreted protein orf2	SAbDab (2026-09-11)
B [auth L], E [auth D]	Light Chain	IGLV1	Lambda	pro-secreted protein orf2	SAbDab (2026-09-11)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H], F [auth C]	C127 Fab heavy chain	-	-	-
B [auth L], E [auth D]	C127 Fab light chain	-	-	-
A, D [auth B]	Pro-secreted protein ORF2	structural molecule activity RNA binding binding nucleic acid binding	-	viral capsid icosahedral viral capsid virion component T=1 icosahedral viral capsid cellular anatomical structure extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm viral capsid icosahedral viral capsid virion component T=1 icosahedral viral capsid cellular anatomical structure extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host intracellular region host cell Golgi apparatus host cell surface

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth B]	IPR029053	Viral coat protein subunit	Homologous Superfamily
A, D [auth B]	IPR004261	Hepatitis E virus structural protein 2, N-terminal domain	Domain
A, D [auth B]	IPR048802	Structural protein 2, second domain	Domain
A, D [auth B]	IPR048794	Structural protein 2, C-terminal domain	Domain

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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.