3RQI | pdb_00003rqi

Crystal structure of a response regulator protein from Burkholderia pseudomallei with a phosphorylated aspartic acid, calcium ion and citrate

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
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3rqia_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	automated matches	automated matches	(Burkholderia pseudomallei 1710b ) [TaxId: 320372 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	CheY-related	8083886	4003632	SCOP2 (2022-06-29)
A	SCOP2 Family	FIS-like	8091075	4000189	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	CheY-like	8083887	3001156	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Homeodomain-like	8091076	3000001	SCOP2 (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	HTH_8_1	e3rqiA2	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: HTH_8_1	ECOD (1.6)
A	Response_reg	e3rqiA1	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	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02954	Bacterial regulatory protein, Fis family (HTH_8)	Bacterial regulatory protein, Fis family		Domain
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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Response regulator protein	sequence-specific DNA binding DNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	cellular response to stimulus regulation of biological process phosphorelay signal transduction system regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication cellular process signal transduction	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011006	CheY-like superfamily	Homologous Superfamily
A	IPR002197	DNA binding HTH domain, Fis-type	Domain
A	IPR001789	Signal transduction response regulator, receiver domain	Domain
A	IPR050595	Bacterial response regulator	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	PHD	Parent Component: ASP RESID: AA0033 PSI-MOD : L-aspartic 4-phosphoric anhydride MOD:00042

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.