3FMG | pdb_00003fmg

Structure of rotavirus outer capsid protein VP7 trimer in complex with a neutralizing Fab

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth L]	d3fmgl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth L]	d3fmgl2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth A]	VP7	e3fmgA2	A: alpha bundles	X: Membrane attack complex/perforin (MACPF) and cholesterol-dependent cytolysin (CDC) domains	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VP7	ECOD (develop294)
C [auth A]	VP7	e3fmgA1	A: alpha bundles	X: Metallothionein	H: Metallothionein	T: Metallothionein	F: VP7	ECOD (develop294)
B [auth H]	Nitroreductase	e3fmgH1	A: alpha bundles	X: Alpha-beta plaits	H: FAD-dependent thiol oxidase	T: FAD-dependent thiol oxidase	F: Nitroreductase	ECOD (develop294)
A [auth L]	Nitroreductase	e3fmgL1	A: alpha bundles	X: Alpha-beta plaits	H: FAD-dependent thiol oxidase	T: FAD-dependent thiol oxidase	F: Nitroreductase	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth A]	3.40.50.11130	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycoprotein VP7, domain 1	CATH (4.3.0)
C [auth A]	2.60.120.800	Mainly Beta	Sandwich	Jelly Rolls	Rotavirus outer-layer protein VP7, domain 2	CATH (4.3.0)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

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
B [auth H]	4F8 neutralizing Simian rotavirus	VH-CH1	Mus musculus (house mouse)	IGHV1-901, IGHJ202, IGHJ203, IGHG101	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)
A [auth L]	4F8 neutralizing Simian rotavirus	L-KAPPA	Mus musculus (house mouse)	IGKV12-4401, IGKJ501, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV1	-	glycoprotein vp7	SAbDab (2026-03-20)
A [auth L]	Light Chain	IGKV12	Kappa	glycoprotein vp7	SAbDab (2026-03-20)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A]	Glycoprotein VP7	cation binding ion binding binding metal ion binding small molecule binding	virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction	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 cellular anatomical structure host cell cytoplasm host cell part host cell endoplasmic reticulum lumen host intracellular region viral capsid icosahedral viral capsid 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 cellular anatomical structure host cell cytoplasm host cell part host cell endoplasmic reticulum lumen host intracellular region viral capsid icosahedral viral capsid virion component viral outer capsid T=13 icosahedral viral capsid
B [auth H]	Fab of neutralizing antibody 4F8, heavy chain	-	-	-
A [auth L]	Fab of neutralizing antibody 4F8, light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A]	IPR042207	Glycoprotein VP7, domain 1	Homologous Superfamily
C [auth A]	IPR001963	Glycoprotein VP7	Family
C [auth A]	IPR042210	Glycoprotein VP7, domain 2	Homologous Superfamily

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.