Annotations: 1UDR

CHEY MUTANT WITH LYS 91 REPLACED BY ASP, LYS 92 REPLACED BY ALA, ILE 96 REPLACED BY LYS AND ALA 98 REPLACED BY LEU (STABILIZING MUTATIONS IN HELIX 4)

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)
C	d1udrc_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	CheY-related	CheY protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1udrd_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	CheY-related	CheY protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1udrb_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	CheY-related	CheY protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1udra_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	CheY-related	CheY protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	CheY-like	8034311	3001156	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	CheY-like	8034311	3001156	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	CheY-like	8034311	3001156	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	CheY-like	8034311	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)
C	B12-binding	e1udrC1	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: B12-binding	ECOD (v294.2)
D	B12-binding	e1udrD1	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: B12-binding	ECOD (v294.2)
B	B12-binding	e1udrB1	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: B12-binding	ECOD (v294.2)
A	B12-binding	e1udrA1	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: B12-binding	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
D	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	CHEY PROTEIN	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding acetyltransferase activity acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity molecular transducer activity phosphorelay response regulator activity	cell swimming cellular process bacterial-type flagellum-dependent cell motility bacterial-type flagellum-dependent swimming motility cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion cellular response to stimulus cell swimming cellular process bacterial-type flagellum-dependent cell motility bacterial-type flagellum-dependent swimming motility cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion cellular response to stimulus regulation of biological process phosphorelay signal transduction system regulation of cellular process signaling biological regulation intracellular signal transduction cell communication signal transduction regulation of response to external stimulus regulation of chemotaxis regulation of response to stimulus regulation of locomotion aerotaxis energy taxis regulation of bacterial-type flagellum-dependent cell motility regulation of cell motility peptidyl-lysine acetylation peptidyl-lysine modification primary metabolic process protein acylation protein acetylation internal peptidyl-lysine acetylation macromolecule modification peptidyl-amino acid modification metabolic process protein metabolic process macromolecule metabolic process protein modification process internal protein amino acid acetylation thermotaxis response to abiotic stimulus response to temperature stimulus	cell projection cellular anatomical structure organelle membraneless organelle bacterial-type flagellum bacterial-type flagellum basal body bacterial-type flagellum motor bacterial-type flagellum rotor complex intracellular anatomical structure cytoplasm cytosol bacterial-type flagellum basal body, C ring

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	IPR052048	Signal Transduction Response Regulator	Family

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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.