1NTC

SOLUTION STRUCTURE OF THE DNA-BINDING DOMAIN OF NTRC WITH THREE ALANINE SUBSTITUTIONS

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)
A	d1ntca1	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	FIS-like	DNA-binding domain of NTRC	(Salmonella enterica subsp. enterica serovar Typhimurium ) [TaxId: 90371 ],	SCOPe (2.08)
A	d1ntca2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Salmonella enterica subsp. enterica serovar Typhimurium ) [TaxId: 90371 ],	SCOPe (2.08)
B	d1ntcb1	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	FIS-like	DNA-binding domain of NTRC	(Salmonella enterica subsp. enterica serovar Typhimurium ) [TaxId: 90371 ],	SCOPe (2.08)
B	d1ntcb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Salmonella enterica subsp. enterica serovar Typhimurium ) [TaxId: 90371 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	FIS-like	8002274	4000189	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Homeodomain-like	8057536	3000001	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Homeodomain-like	8057536	3000001	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)
A	PF02954	e1ntcA1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: PF02954	ECOD (1.6)
B	PF02954	e1ntcB1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: PF02954	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)
B	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, B	PF02954	Bacterial regulatory protein, Fis family (HTH_8)	Bacterial regulatory protein, Fis family	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROTEIN (NITROGEN REGULATION PROTEIN (NTRC))	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity molecular transducer activity phosphorelay response regulator activity sequence-specific DNA binding DNA binding nucleic acid binding	regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary 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 organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary 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 organic substance biosynthetic 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 primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound 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 organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process cellular process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process nitrogen cycle metabolic process nitrogen fixation response to nutrient levels regulation of response to nutrient levels response to stimulus homeostatic process nitrogen utilization regulation of nitrogen utilization cellular homeostasis chemical homeostasis regulation of response to stimulus intracellular nitrogen homeostasis intracellular chemical homeostasis	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
A, B	IPR025662	Sigma-54 interaction domain, ATP-binding site 1	Binding Site
A, B	IPR025944	Sigma-54 interaction domain, conserved site	Conserved Site
A, B	IPR010114	DNA-binding transcriptional regulator NtrC	Family
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

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 R01GM133198.