8EN4 | pdb_00008en4

Structure of GII.4 norovirus in complex with Nanobody 53

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth D]	F_UNCLASSIFIED	e8en4D1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
B [auth C]	F_UNCLASSIFIED	e8en4C1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
D [auth A]	F_UNCLASSIFIED	e8en4A1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: F_UNCLASSIFIED	ECOD (1.6)
A [auth B]	F_UNCLASSIFIED	e8en4B1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: F_UNCLASSIFIED	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth C], C [auth D]	Heavy Chain	IGHV1	-	vp1	SAbDab (2025-11-07)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], D [auth A]	PF08435	Calicivirus coat protein C-terminal (Calici_coat_C)	Calicivirus coat protein C-terminal	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth C], C [auth D]	Nanobody 53	-	-	-
A [auth B], D [auth A]	VP1	-	-	virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], D [auth A]	IPR029053	Viral coat protein subunit	Homologous Superfamily
A [auth B], D [auth A]	IPR004005	Calicivirus coat protein	Domain
A [auth B], D [auth A]	IPR013643	Calicivirus coat protein C-terminal	Domain
A [auth B], D [auth A]	IPR033703	Picornavirus/Calicivirus coat protein	Domain

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.