3GL9 | pdb_00003gl9

The structure of a histidine kinase-response regulator complex sheds light into two-component signaling and reveals a novel cis autophosphorylation mechanism

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)
D	d3gl9d_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	automated matches	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
C	d3gl9c_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	automated matches	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
B	d3gl9b_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	automated matches	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
A	d3gl9a_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	automated matches	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	CheY-like	8072786	3001156	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	CheY-like	8072786	3001156	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	CheY-like	8072786	3001156	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	CheY-like	8072786	3001156	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)
D	PDEase_I	e3gl9D1	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: PDEase_I	ECOD (develop294)
C	PDEase_I	e3gl9C1	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: PDEase_I	ECOD (develop294)
B	PDEase_I	e3gl9B1	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: PDEase_I	ECOD (develop294)
A	PDEase_I	e3gl9A1	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: PDEase_I	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
C	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
B	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
A	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	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, B, C, D	Response regulator	DNA binding binding nucleic acid binding molecular transducer activity phosphorelay response regulator activity 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, B, C, D	IPR011006	CheY-like superfamily	Homologous Superfamily
A, B, C, D	IPR001789	Signal transduction response regulator, receiver domain	Domain
A, B, C, D	IPR050595	Bacterial response regulator	Family

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.