Annotations: 3M1M

Crystal structure of the primase-polymerase from Sulfolobus islandicus

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	SCOP2B Superfamily	Prim-pol domain-like	8040772	3001829	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	Prim-Pol	e3m1mA1	A: beta barrels	X: Cystine-knot cytokines	H: Lipoprotein localization factors LolAB	T: Lipoprotein localization factors LolAB	F: Prim-Pol	ECOD (v294.2)
A	pRN1_helical	e3m1mA2	A: beta barrels	X: Cystine-knot cytokines	H: Lipoprotein localization factors LolAB	T: Lipoprotein localization factors LolAB	F: pRN1_helical	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.720.160	Alpha Beta	2-Layer Sandwich	Signal recognition particle alu RNA binding heterodimer, srp9/1	Bifunctional DNA primase/polymerase, N-terminal	CATH (4.3.0)
A	3.30.2250.10	Alpha Beta	2-Layer Sandwich	Prim-pol fold	Bifunctional DNA primase/polymerase domain	CATH (4.3.0)
A	1.10.1240.50	Mainly Alpha	Orthogonal Bundle	Methyltransferase, Methionine Synthase (B12-binding Domains)	Chain A, domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ORF904	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 nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on a nucleic acid helicase activity macromolecular conformation isomerase activity catalytic activity ATP-dependent activity hydrolase activity cation binding metal ion binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR045455	NrS-1 polymerase-like, helicase domain	Domain
A	IPR024966	Primase helical domain	Domain
A	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A	IPR004968	DNA primase/nucleoside triphosphatase, C-terminal	Domain
A	IPR051620	ORF904-like, C-terminal domain	Domain
A	IPR014015	Helicase, superfamily 3, DNA virus	Domain
A	IPR014818	Bacteriophage/plasmid primase, P4, C-terminal	Domain
A	IPR006500	Helicase, putative, phage/plasmid, C-terminal domain	Domain
A	IPR015330	DNA primase/polymerase, bifunctional, N-terminal	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	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.