Annotations: 2OQR

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2oqra2	All alpha proteins	DNA/RNA-binding 3-helical bundle	C-terminal effector domain of the bipartite response regulators	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
A	d2oqra1	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
A	d2oqra3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Trans_reg_C	e2oqrA4	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Trans_reg_C	ECOD (1.6)
A	Response_reg	e2oqrA3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Response_reg	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
A	6.10.250.690	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00072	Response regulator receiver domain (Response_reg)	Response regulator receiver domain	This domain receives the signal from the sensor partner in bacterial two-component systems. It is usually found N-terminal to a DNA binding effector domain.	Domain
A	PF00486	Transcriptional regulatory protein, C terminal (Trans_reg_C)	Transcriptional regulatory protein, C terminal	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Sensory transduction protein regX3	DNA binding binding organic cyclic compound binding nucleic acid binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding transcription regulatory region nucleic acid binding molecular transducer activity phosphorelay response regulator activity	regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process regulation of nitrogen compound metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process regulation of nitrogen compound metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation cellular nitrogen compound metabolic process primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process aromatic compound biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process cellular aromatic compound metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process regulation of phosphorus metabolic process phosphorus metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex protein-DNA complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039420	Transcriptional regulatory protein WalR-like	Family
A	IPR001867	OmpR/PhoB-type DNA-binding domain	Domain
A	IPR011006	CheY-like superfamily	Homologous Superfamily
A	IPR001789	Signal transduction response regulator, receiver domain	Domain
A	IPR016032	Signal transduction response regulator, C-terminal effector	Homologous Superfamily
A	IPR036388	Winged helix-like DNA-binding domain superfamily	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.