Annotations: 2A0I

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth A]	SCOP2B Superfamily	Origin of replication-binding domain RBD-like	8038183	3001937	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)
B [auth A]	PF08751	e2a0iA1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: PF08751	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth A]	PF08751	TrwC relaxase (TrwC)	TrwC relaxase	Relaxases are DNA strand transferases which function during the conjugative cell to cell DNA transfer. TrwC binds to the origin of transfer (oriT) and melts the double helix.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	F plasmid single-stranded oriT DNA	-	-	-
B [auth A]	TraI protein	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding isomerase activity DNA topoisomerase type I (single strand cut, ATP-independent) activity catalytic activity, acting on DNA DNA topoisomerase activity catalytic activity, acting on a nucleic acid catalytic activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides ATP-dependent activity ATP-dependent activity, acting on DNA DNA helicase activity helicase activity cation binding metal ion binding	metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A]	IPR014862	TrwC relaxase	Domain
B [auth A]	IPR040987	TraI, N-terminal subdomain	Domain
B [auth A]	IPR014059	TraI/TrwC, conjugative relaxase domain	Domain
B [auth A]	IPR009767	DNA helicase, TraI type, C-terminal	Domain
B [auth A]	IPR014129	Conjugative transfer relaxase protein TraI	Family
B [auth A]	IPR040668	TraI, 2B/2B-like domain	Domain
B [auth A]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.