1X2I | pdb_00001x2i

Crystal Structure Of Archaeal Xpf/Mus81 Homolog, Hef From Pyrococcus Furiosus, Helix-hairpin-helix Domain

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	d1x2ia1	All alpha proteins	SAM domain-like	RuvA domain 2-like	Hef domain-like	ATP-dependent RNA helicase PF2015	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
B	d1x2ib_	All alpha proteins	SAM domain-like	RuvA domain 2-like	Hef domain-like	ATP-dependent RNA helicase PF2015	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Hef domain-like	8021183	4001374	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Helix-hairpin-helix tandem	8033563	3000163	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Helix-hairpin-helix tandem	8033563	3000163	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)
A	HHH_2_1	e1x2iA1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: HHH_2_1	ECOD (1.6)
B	HHH_2_1	e1x2iB1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: HHH_2_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.150.20	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
B	1.10.150.20	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF12826	Helix-hairpin-helix motif (HHH_2)	Helix-hairpin-helix motif	-	Motif

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Hef helicase/nuclease	catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity 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 catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity 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 helicase activity macromolecular conformation isomerase activity ATP-dependent activity nuclease activity hydrolase activity cation binding metal ion binding identical protein binding protein binding	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair DNA recombination	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR041663	DisA/LigA, helix-hairpin-helix motif	Domain
A, B	IPR011335	Restriction endonuclease type II-like	Homologous Superfamily
A, B	IPR001650	Helicase, C-terminal domain-like	Domain
A, B	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
A, B	IPR041755	Archaeal Hef helicase/nuclease, insert domain	Domain
A, B	IPR010994	RuvA domain 2-like	Homologous Superfamily
A, B	IPR006166	ERCC4 domain	Domain
A, B	IPR011545	DEAD/DEAH-box helicase domain	Domain
A, B	IPR003583	Helix-hairpin-helix DNA-binding motif, class 1	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.