Annotations: 6NN3

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)
C [auth L]	EipB_like	e6nn3L1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: EipB_like	ECOD (v294.2)
B [auth H]	EipB_like	e6nn3H1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: EipB_like	ECOD (v294.2)
A	EipB_like	e6nn3A1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: EipB_like	ECOD (v294.2)

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
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 (202617-0)
B [auth H]	Fab 860-55D	VH	Homo sapiens (human)	IGHV4-3102, IGHV4-3103, IGHJ5*02	V-DOMAIN VH	IG	FV-HEAVY_LAMBDA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGLV3	Lambda	vp2 of b19 parvovirus	SAbDab (2026-05-08)
B [auth H]	Heavy Chain	IGHV4	-	vp2 of b19 parvovirus	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

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

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

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