Annotations: 6RB4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	KOG2851_1	e6rb4A2	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: KOG2851_1	ECOD (1.6)
A	DNA_primase_S	e6rb4A1	A: a+b complex topology	X: Prim-pol domain (From Topology)	H: Prim-pol domain (From Topology)	T: Prim-pol domain	F: DNA_primase_S	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 (utative)

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA primase small subunit	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding DNA-directed 5'-3' RNA polymerase activity DNA primase activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide 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 transition metal ion binding zinc ion binding	nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication DNA replication initiation metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular biosynthetic process DNA replication, synthesis of primer cellular metabolic process RNA metabolic process nucleobase-containing compound biosynthetic process nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication DNA replication initiation metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular biosynthetic process DNA replication, synthesis of primer cellular metabolic process RNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process cellular process	membrane-bounded organelle protein-containing complex alpha DNA polymerase:primase complex intracellular anatomical structure nucleus membrane-enclosed lumen nuclear protein-containing complex nuclear chromosome chromosome transferase complex intracellular organelle lumen intracellular organelle nuclear replisome replication fork membrane-bounded organelle protein-containing complex alpha DNA polymerase:primase complex intracellular anatomical structure nucleus membrane-enclosed lumen nuclear protein-containing complex nuclear chromosome chromosome transferase complex intracellular organelle lumen intracellular organelle nuclear replisome replication fork non-membrane-bounded organelle catalytic complex protein-DNA complex nuclear replication fork intracellular membrane-bounded organelle cellular anatomical entity DNA polymerase complex transferase complex, transferring phosphorus-containing groups nuclear DNA-directed RNA polymerase complex organelle lumen organelle RNA polymerase complex intracellular non-membrane-bounded organelle DNA-directed RNA polymerase complex intracellular protein-containing complex nuclear lumen replisome membrane primosome complex nucleoplasm

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

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P49642	adrenal cortex carcinoma large cell medulloblastoma malignant colon neoplasm medulloblastoma Sjogren syndrome atrial fibrillation lung cancer malignant glioma non-small cell lung carcinoma glioblastoma lymphoplasmacytic lymphoma malignant mesothelioma primitive neuroectodermal tumor

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.