1ZY2 | pdb_00001zy2

Crystal structure of the phosphorylated receiver domain of the transcription regulator NtrC1 from Aquifex aeolicus

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)
B	d1zy2b_	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	CheY-related	Transcriptional activator sigm54 (NtrC1), N-terminal domain	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)
A	d1zy2a1	Alpha and beta proteins (a/b)	Flavodoxin-like	CheY-like	CheY-related	Transcriptional activator sigm54 (NtrC1), N-terminal domain	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)
A	d1zy2a2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	CheY-like	8037075	3001156	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	CheY-like	8037075	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)
B		e1zy2B1	A: HTH	X: HTH	H: winged helix domain	T: MATH_2	F:	ECOD (20:10:01)
A		e1zy2A1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: NAD_binding_1	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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	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	transcriptional regulator NtrC1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding nucleic acid binding cis-regulatory region sequence-specific DNA binding transcription regulatory region nucleic acid binding transcription regulator activity DNA-binding transcription factor activity DNA-binding transcription activator activity cation binding metal ion binding identical protein binding protein 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 positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process 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 positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process	protein-containing complex protein-DNA complex cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR009057	Homedomain-like superfamily	Homologous Superfamily
A, B	IPR058031	NorR-like, AAA+ ATPase lid domain	Domain
A, B	IPR011006	CheY-like superfamily	Homologous Superfamily
A, B	IPR002197	DNA binding HTH domain, Fis-type	Domain
A, B	IPR001789	Signal transduction response regulator, receiver domain	Domain
A, B	IPR002078	RNA polymerase sigma factor 54 interaction domain	Domain
A, B	IPR025662	Sigma-54 interaction domain, ATP-binding site 1	Binding Site
A, B	IPR003593	AAA+ ATPase domain	Domain
A, B	IPR025943	Sigma-54 interaction domain, ATP-binding site 2	Binding Site
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.