6NN3 | pdb_00006nn3

Structure of parvovirus B19 decorated with Fab molecules from a human antibody

External Resource: Annotation

Domain Annotation: SCOP2 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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Parvovirinae-like VP	8101672	4003479	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ssDNA viruses	8101673	3000931	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	EipB_like	e6nn3A1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: EipB_like	ECOD (v294.1)
B [auth H]	EipB_like	e6nn3H1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: EipB_like	ECOD (v294.1)
C [auth L]	EipB_like	e6nn3L1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: EipB_like	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.170.30.10	Mainly Beta	Beta Complex	Empty Capsid Viral Protein 2	Parvovirus coat protein VP1/VP2	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]	Fab 860-55D	VH	Homo sapiens (human)	IGHV4-3102, IGHV4-3103, IGHJ5*02	V-DOMAIN VH	IG	FV-HEAVY_LAMBDA	IMGT (202612-0)
C [auth L]	Fab 860-55D	V-LAMBDA	Homo sapiens (human)	IGLV3-101, IGLJ201, IGLJ3*01	V-DOMAIN V-LAMBDA	IG	FV-HEAVY_LAMBDA	IMGT (202612-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV4	-	vp2 of b19 parvovirus	SAbDab (2026-03-27)
C [auth L]	Light Chain	IGLV3	Lambda	vp2 of b19 parvovirus	SAbDab (2026-03-27)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	VP2 of B19 parvovirus	structural molecule activity	-	viral capsid icosahedral viral capsid virion component T=1 icosahedral viral capsid
B [auth H]	Fab monoclonal antibody 860-55D, heavy chain	-	-	-
C [auth L]	Fab monoclonal antibody 860-55D, light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013607	Phospholipase A2-like domain	Domain
A	IPR016184	Capsid/spike protein, ssDNA virus	Homologous Superfamily
A	IPR001403	Coat protein VP1/VP2, Parvovirus	Domain
A	IPR036952	Parvovirus coat protein VP1/VP2	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.