3L57 | pdb_00003l57

Crystal Structure of the Plasmid pCU1 TraI Relaxase Domain

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d3l57b_	Alpha and beta proteins (a+b)	Origin of replication-binding domain, RBD-like	Origin of replication-binding domain, RBD-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d3l57a_	Alpha and beta proteins (a+b)	Origin of replication-binding domain, RBD-like	Origin of replication-binding domain, RBD-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	TrwC	e3l57B1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: TrwC	ECOD (1.6)
A	TrwC	e3l57A1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: TrwC	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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, B	Mobilization protein TraI	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	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR014862	TrwC relaxase	Domain
A, B	IPR027785	UvrD-like helicase C-terminal domain	Domain
A, B	IPR014059	TraI/TrwC, conjugative relaxase domain	Domain
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.