Annotations: 1M55

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1m55b_	Alpha and beta proteins (a+b)	Origin of replication-binding domain, RBD-like	Origin of replication-binding domain, RBD-like	Replication protein Rep, nuclease domain	Replication protein Rep, nuclease domain	(adeno-associated virus 5 ) [TaxId: 82300 ],	SCOPe (2.08)
A	d1m55a_	Alpha and beta proteins (a+b)	Origin of replication-binding domain, RBD-like	Origin of replication-binding domain, RBD-like	Replication protein Rep, nuclease domain	Replication protein Rep, nuclease domain	(adeno-associated virus 5 ) [TaxId: 82300 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Origin of replication-binding domain, RBD-like	8041603	3001937	SCOP2B (2022-06-29)
A	SCOP2 Family	Replication protein Rep, nuclease domain	8029224	4002726	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Origin of replication-binding domain, RBD-like	8041603	3001937	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)
B	ABM	e1m55B1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: ABM	ECOD (develop294)
A	Rep_N	e1m55A1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: Rep_N	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.1310.20	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)
A	3.40.1310.20	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Rep protein	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding hydrolase activity catalytic activity endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid cation binding metal ion binding	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process viral genome replication viral process viral life cycle	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR014835	NS1 nuclease, NS1-Nuc domain, parvovirinae	Domain
A, B	IPR014015	Helicase, superfamily 3, DNA virus	Domain
A, B	IPR049901	NS1 nuclease, NS1-Nuc domain, Parvovirus	Domain
A, B	IPR001257	Parvovirus non-structural protein 1, helicase domain	Domain
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	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.