Annotations: 9JIJ

Hepatitis E virus capsid protein E2s domain (genotype I) in complex with Fab C158

External Resource: Annotation

SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth H], F [auth E]	Heavy Chain	IGHV1	-	secreted protein orf2	SAbDab (2026-10-16)
B [auth L], E [auth F]	Light Chain	IGLV1	Lambda	secreted protein orf2	SAbDab (2026-10-16)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H], F [auth E]	C158 Fab heavy chain	-	-	-
B [auth L], E [auth F]	C158 Fab light chain	-	-	-
A, D [auth B]	Secreted protein ORF2	structural molecule activity RNA binding binding nucleic acid binding identical protein binding protein binding	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion attachment to host cell receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell adhesion of symbiont to host	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 nucleus 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