3C1D

X-ray crystal structure of RecX

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)
A	RecX	e3c1dA6	A: alpha arrays	X: HTH	H: DNA repair regulatory protein RecX (From Topology)	T: DNA repair regulatory protein RecX	F: RecX	ECOD (1.6)
A	recX_3	e3c1dA4	A: alpha arrays	X: HTH	H: DNA repair regulatory protein RecX (From Topology)	T: DNA repair regulatory protein RecX	F: recX_3	ECOD (1.6)
B	RecX	e3c1dB2	A: alpha arrays	X: HTH	H: DNA repair regulatory protein RecX (From Topology)	T: DNA repair regulatory protein RecX	F: RecX	ECOD (1.6)
B	recX_3	e3c1dB1	A: alpha arrays	X: HTH	H: DNA repair regulatory protein RecX (From Topology)	T: DNA repair regulatory protein RecX	F: recX_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
B	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF21981	RecX, third three-helix domain (RecX_HTH3)	RecX, third three-helix domain	This entry represents the third three-helix domain (HTH-like) found in RecX family of proteins. RecX functions as a regulator of DNA recombination and repair pathways in bacterial cells [1]. RecX protein is known to inhibit the activity of RecA prote ...	This entry represents the third three-helix domain (HTH-like) found in RecX family of proteins. RecX functions as a regulator of DNA recombination and repair pathways in bacterial cells [1]. RecX protein is known to inhibit the activity of RecA protein in DNA recombination [2,3].	Domain
A, B	PF21982	RecX, first three-helix domain (RecX_HTH1)	RecX, first three-helix domain	This entry represents the first three-helix domain (HTH-like) found in RecX family of proteins. RecX functions as a regulator of DNA recombination and repair pathways in bacterial cells [1]. RecX protein is known to inhibit the activity of RecA prote ...	This entry represents the first three-helix domain (HTH-like) found in RecX family of proteins. RecX functions as a regulator of DNA recombination and repair pathways in bacterial cells [1]. RecX protein is known to inhibit the activity of RecA protein in DNA recombination [2,3].	Domain
A, B	PF02631	RecX, second three-helix domain (RecX_HTH2)	RecX, second three-helix domain	This entry represents the second three-helix domain (HTH-like) found in RecX family of proteins. RecX functions as a regulator of DNA recombination and repair pathways in bacterial cells [1]. RecX protein is known to inhibit the activity of RecA prot ...	This entry represents the second three-helix domain (HTH-like) found in RecX family of proteins. RecX functions as a regulator of DNA recombination and repair pathways in bacterial cells [1]. RecX protein is known to inhibit the activity of RecA protein in DNA recombination [2,3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Regulatory protein recX	-	cellular response to stimulus SOS response cellular response to stress response to stimulus DNA damage response response to stress cellular process primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process metabolic process macromolecule metabolic process DNA repair cellular response to stimulus SOS response cellular response to stress response to stimulus DNA damage response response to stress cellular process primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process metabolic process macromolecule metabolic process DNA repair regulation of cellular process regulation of cellular response to stress regulation of primary metabolic process regulation of response to stress regulation of nucleobase-containing compound metabolic process regulation of biological process biological regulation regulation of macromolecule metabolic process regulation of DNA repair regulation of response to stimulus regulation of metabolic process regulation of DNA metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR053925	RecX, third three-helical domain	Domain
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR003783	Regulatory protein RecX	Family
A, B	IPR053924	RecX, second three-helical domain	Domain
A, B	IPR053926	RecX, first three-helical domain	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.