Annotations: 8U5L

MAU868, a novel human-derived monoclonal neutralizing antibody targeting BK virus VP1

External Resource: Annotation

Domain Annotation: ECOD Classification
IMGT Antibody Annotation
Thera-SAbDab Antibody 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)
A	RNA_pol_Rpb1_6	e8u5lA01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: RNA_pol_Rpb1_6	ECOD (v295)
B	V-set	e8u5lB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
C	V-set	e8u5lC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
D	V-set	e8u5lD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
E	V-set	e8u5lE1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
G [auth H]	V-set	e8u5lH1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
H [auth J]	V-set	e8u5lJ1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
I [auth K]	V-set	e8u5lK1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
J [auth N]	V-set	e8u5lN1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
F	RNA_pol_Rpb1_6	e8u5lF01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: RNA_pol_Rpb1_6	ECOD (v295)

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
F, G [auth H], H [auth J], I [auth K], J [auth N]	scFv MAU868	1C-1C-LIKE-CH2-CH3	Homo sapiens (human)	IGHV3-701, IGHV3-702, IGHV3-703, IGHV3-704, IGHV3-705, IGHJ101, IGHJ401, IGHJ501, IGHJ502, IGHJ402, IGHJ403, IGLV3-2103, IGLJ101, IGLJ201, IGLJ302, IGLJ601, IGLJ3*01	V-DOMAIN VH, V-DOMAIN V-LAMBDA	IG	SCFV-HEAVY-LAMBDA	IMGT (202625-0)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

Chain	Name	Target	Provenance Source
F, G [auth H], H [auth J], I [auth K], J [auth N]	Traxivitug	BK Polyomavirus Major Capsid Protein VP1	Therapeutic SAbDab (2026-06-26)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Capsid protein VP1	structural molecule activity	virion attachment to host cell biological process involved in interspecies interaction between organisms 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 symbiont entry into host cell symbiont entry into host endocytosis involved in viral entry into host cell	viral capsid icosahedral viral capsid T=7 icosahedral viral capsid virion component host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle
F, G [auth H], H [auth J], I [auth K], J [auth N]	scFv fragment of the monoclonal antibody MAU868	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR011222	Double-stranded DNA virus, group I, capsid	Homologous Superfamily
A, B, C, D, E	IPR000662	Capsid protein VP1,Polyomavirus	Family
A, B, C, D, E	IPR036931	Polyomavirus capsid protein VP1 superfamily	Homologous Superfamily

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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.