3FLD | pdb_00003fld

Crystal structure of the trai c-terminal domain

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	TraI	e3fldB1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: Toprim domain	F: TraI	ECOD (1.6)
A	TraI	e3fldA1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: Toprim domain	F: TraI	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	6.10.140.290	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
A	6.10.140.290	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF07057	DNA helicase TraI, C-terminal (TraI_C)	DNA helicase TraI, C-terminal	This entry represents the C-terminal domain of the bacterial DNA helicase TraI (EC:3.6.1.-). TraI is a bifunctional protein that catalyses the unwinding of duplex DNA as well as acts as a sequence-specific DNA trans-esterase, providing the site- and ...	This entry represents the C-terminal domain of the bacterial DNA helicase TraI (EC:3.6.1.-). TraI is a bifunctional protein that catalyses the unwinding of duplex DNA as well as acts as a sequence-specific DNA trans-esterase, providing the site- and strand-specific nick required to initiate DNA transfer [1]. This domain is essential for conjugative DNA transfer [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein traI	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding nucleic acid conformation isomerase activity 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 macromolecular conformation isomerase 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	-	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR014862	TrwC relaxase	Domain
A, B	IPR040987	TraI, N-terminal subdomain	Domain
A, B	IPR014059	TraI/TrwC, conjugative relaxase domain	Domain
A, B	IPR009767	DNA helicase, TraI type, C-terminal	Domain
A, B	IPR014129	Conjugative transfer relaxase protein TraI	Family
A, B	IPR040668	TraI, 2B/2B-like domain	Domain
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B	IPR054558	TraI, helicase-associated ssDBD, N-terminal	Domain

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.