7CV2 | pdb_00007cv2

Crystal structure of B. halodurans NiaR in niacin-bound form

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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	d7cv2a1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	automated matches	automated matches	(Halalkalibacterium halodurans C-125 ) [TaxId: 272558 ],	SCOPe (2.08)
A	d7cv2a2	Alpha and beta proteins (a+b)	HPr-like	Putative transcriptional regulator TM1602, C-terminal domain	automated matches	automated matches	(Halalkalibacterium halodurans C-125 ) [TaxId: 272558 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HTH_11	e7cv2A2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: HTH_11	ECOD (1.6)
A	3H	e7cv2A1	A: a+b two layers	X: HPr-like (From Topology)	H: HPr-like (From Topology)	T: HPr-like	F: 3H	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (utative)
A	3.30.1340.20	Alpha Beta	2-Layer Sandwich	Histidine-containing Protein	Chain: A	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08279	HTH domain (HTH_11)	HTH domain	This family includes helix-turn-helix domains in a wide variety of proteins.	Domain
A	PF02829	3H domain (3H)	3H domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Transcriptional regulator NiaR	cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004173	3H domain	Domain
A	IPR013196	Helix-turn-helix, type 11	Domain
A	IPR026043	Transcription repressor NadR	Family
A	IPR035922	3H domain superfamily	Homologous Superfamily
A	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A	IPR036390	Winged helix DNA-binding domain superfamily	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 R01GM157729.