Annotations: 9F26

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01896	DNA primase small subunit (DNA_primase_S)	DNA primase small subunit	-	Family
B	PF04104	Eukaryotic and archaeal DNA primase, large subunit C-terminal domain (DNA_primase_lrg)	Eukaryotic and archaeal DNA primase, large subunit C-terminal domain	DNA primase is the polymerase that synthesises small RNA primers for the Okazaki fragments made during discontinuous DNA replication. DNA primase is a heterodimer of two subunits, the small subunit Pri1 (48 kDa in yeast), and the large subunit Pri2 ( ...	DNA primase is the polymerase that synthesises small RNA primers for the Okazaki fragments made during discontinuous DNA replication. DNA primase is a heterodimer of two subunits, the small subunit Pri1 (48 kDa in yeast), and the large subunit Pri2 (58 kDa in the yeast S. cerevisiae) [1]. The large subunit of DNA primase forms interactions with the small subunit and the structure implicates that it is not directly involved in catalysis, but plays roles in correctly positioning the primase/DNA complex, and in the transfer of RNA to DNA polymerase [4]. This entry represents the C-terminal alpha helical domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA primase small subunit PriS	DNA-directed RNA polymerase 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	DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process cellular process macromolecule metabolic process	primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex intracellular membraneless organelle chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle replication fork replisome transferase complex, transferring phosphorus-containing groups catalytic complex primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex intracellular membraneless organelle chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle replication fork replisome transferase complex, transferring phosphorus-containing groups catalytic complex RNA polymerase complex DNA-directed RNA polymerase complex transferase complex intracellular protein-containing complex
B	DNA primase large subunit PriL	iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding DNA-directed RNA polymerase 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 iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding DNA-directed RNA polymerase 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 metal ion binding	DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process cellular process macromolecule metabolic process	primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex intracellular membraneless organelle chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle replication fork replisome
C	RPA32 subunit of the hetero-oligomeric complex involved in homologous recombination	binding nucleic acid binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002755	DNA primase, small subunit	Family
A	IPR014052	DNA primase, small subunit, eukaryotic/archaeal	Family
A	IPR023639	DNA primase small subunit PriS	Family
B	IPR023642	DNA primase large subunit PriL	Family
B	IPR007238	DNA primase large subunit, eukaryotic/archaeal	Family
C	IPR004365	OB-fold nucleic acid binding domain, AA-tRNA synthetase-type	Domain
C	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
C	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
C	IPR040260	Replication factor A protein-like	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 R01GM157729.