Annotations: 1G71

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1g71a_	Alpha and beta proteins (a+b)	Prim-pol domain	Prim-pol domain	PriA-like	DNA primase	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
B	d1g71b_	Alpha and beta proteins (a+b)	Prim-pol domain	Prim-pol domain	PriA-like	DNA primase	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	PriA-like	8025185	4002868	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Prim-pol domain-like	8037564	3001829	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Prim-pol domain-like	8037564	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	F_UNCLASSIFIED	e1g71A1	A: alpha arrays	X: Insert all-alpha domain in prim-pol (From Topology)	H: Insert all-alpha domain in prim-pol (From Topology)	T: Insert all-alpha domain in prim-pol	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF01896	e1g71A2	A: a+b complex topology	X: Prim-pol domain (From Topology)	H: Prim-pol domain (From Topology)	T: Prim-pol domain	F: PF01896	ECOD (1.6)
B	F_UNCLASSIFIED	e1g71B1	A: alpha arrays	X: Insert all-alpha domain in prim-pol (From Topology)	H: Insert all-alpha domain in prim-pol (From Topology)	T: Insert all-alpha domain in prim-pol	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF01896	e1g71B2	A: a+b complex topology	X: Prim-pol domain (From Topology)	H: Prim-pol domain (From Topology)	T: Prim-pol domain	F: PF01896	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.920.10	Alpha Beta	Alpha-Beta Complex	DNA primase, PRIM domain	DNA primase, PRIM domain	CATH (4.3.0)
A	1.10.8.160	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
B	3.90.920.10	Alpha Beta	Alpha-Beta Complex	DNA primase, PRIM domain	DNA primase, PRIM domain	CATH (4.3.0)
B	1.10.8.160	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01896	DNA primase small subunit (DNA_primase_S)	DNA primase small subunit	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	DNA PRIMASE	DNA-directed 5'-3' RNA polymerase activity DNA primase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups cation binding ion binding binding metal ion binding DNA-directed 5'-3' RNA polymerase activity DNA primase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups cation binding ion binding binding metal ion binding small molecule binding	-	primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex chromosome cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle replication fork replisome non-membrane-bounded organelle transferase complex, transferring phosphorus-containing groups catalytic complex primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex chromosome cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle replication fork replisome non-membrane-bounded organelle transferase complex, transferring phosphorus-containing groups catalytic complex RNA polymerase complex DNA-directed RNA polymerase complex transferase complex intracellular protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002755	DNA primase, small subunit	Family
A, B	IPR014052	DNA primase, small subunit, eukaryotic/archaeal	Family
A, B	IPR023639	DNA primase small subunit PriS	Family

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 R01GM133198.