Annotations: 1SIE

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1siea_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	Group I dsDNA viruses	Papovaviridae-like VP	Polyomavirus coat proteins	(Mouse polyomavirus (strain p16 small-plaque) ) [TaxId: 47935 ],	SCOPe (2.08)
B	d1sieb_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	Group I dsDNA viruses	Papovaviridae-like VP	Polyomavirus coat proteins	(Mouse polyomavirus (strain p16 small-plaque) ) [TaxId: 47935 ],	SCOPe (2.08)
C	d1siec_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	Group I dsDNA viruses	Papovaviridae-like VP	Polyomavirus coat proteins	(Mouse polyomavirus (strain p16 small-plaque) ) [TaxId: 47935 ],	SCOPe (2.08)
D	d1sied_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	Group I dsDNA viruses	Papovaviridae-like VP	Polyomavirus coat proteins	(Mouse polyomavirus (strain p16 small-plaque) ) [TaxId: 47935 ],	SCOPe (2.08)
E	d1siee_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	Group I dsDNA viruses	Papovaviridae-like VP	Polyomavirus coat proteins	(Mouse polyomavirus (strain p16 small-plaque) ) [TaxId: 47935 ],	SCOPe (2.08)
F	d1sief_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	Group I dsDNA viruses	Papovaviridae-like VP	Polyomavirus coat proteins	(Mouse polyomavirus (strain p16 small-plaque) ) [TaxId: 47935 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Group I dsDNA viruses	8040828	3000939	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Group I dsDNA viruses	8040828	3000939	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Group I dsDNA viruses	8040828	3000939	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Group I dsDNA viruses	8040828	3000939	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Group I dsDNA viruses	8040828	3000939	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Group I dsDNA viruses	8040828	3000939	SCOP2B (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	Polyoma_coat	e1sieA1	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: Polyoma_coat	ECOD (1.6)
B	Polyoma_coat	e1sieB1	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: Polyoma_coat	ECOD (1.6)
C	Polyoma_coat	e1sieC1	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: Polyoma_coat	ECOD (1.6)
D	Polyoma_coat	e1sieD1	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: Polyoma_coat	ECOD (1.6)
E	Polyoma_coat	e1sieE1	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: Polyoma_coat	ECOD (1.6)
F	Polyoma_coat	e1sieF1	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: Polyoma_coat	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.175.10	Mainly Beta	Sandwich	Polyomavirus Vp1	Chain A	CATH (4.3.0)
B	2.60.175.10	Mainly Beta	Sandwich	Polyomavirus Vp1	Chain A	CATH (4.3.0)
C	2.60.175.10	Mainly Beta	Sandwich	Polyomavirus Vp1	Chain A	CATH (4.3.0)
D	2.60.175.10	Mainly Beta	Sandwich	Polyomavirus Vp1	Chain A	CATH (4.3.0)
E	2.60.175.10	Mainly Beta	Sandwich	Polyomavirus Vp1	Chain A	CATH (4.3.0)
F	2.60.175.10	Mainly Beta	Sandwich	Polyomavirus Vp1	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF00718	Polyomavirus coat protein (Polyoma_coat)	Polyomavirus coat protein	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	POLYOMAVIRUS COAT 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 import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization caveolin-mediated endocytosis vesicle-mediated transport 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 import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization caveolin-mediated endocytosis vesicle-mediated transport localization symbiont entry into host cell caveolin-mediated endocytosis of virus by host cell symbiont entry into host cellular process endocytosis involved in viral entry into host cell endocytosis receptor-mediated endocytosis transport of virus	viral capsid icosahedral viral capsid T=7 icosahedral viral capsid virion component host intracellular membrane-bounded organelle host cellular component host intracellular part host cell part host intracellular region cellular anatomical entity host cell nucleus host intracellular organelle

InterPro: Protein Family Classification InterPro Database Homepage

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.