Annotations: 4RB1

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4rb1a_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	automated matches	automated matches	(Magnetospirillum gryphiswaldense MSR-1 v2 ) [TaxId: 1430440 ],	SCOPe (2.08)
B	d4rb1b1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	automated matches	automated matches	(Magnetospirillum gryphiswaldense MSR-1 v2 ) [TaxId: 1430440 ],	SCOPe (2.08)
B	d4rb1b2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Magnetospirillum gryphiswaldense MSR-1 v2 ) [TaxId: 1430440 ],	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	PF01475	e4rb1A1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF01475	ECOD (1.6)
B	PF01475	e4rb1B1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF01475	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 (4.3.0)
A	3.30.1490.190	Alpha Beta	2-Layer Sandwich	Dna Ligase	domain 1	CATH (4.3.0)
B	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 (4.3.0)
B	3.30.1490.190	Alpha Beta	2-Layer Sandwich	Dna Ligase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01475	Ferric uptake regulator family (FUR)	Ferric uptake regulator family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	DNA-binding transcriptional dual regulator of siderophore biosynthesis and transport(Fur family)	DNA binding binding organic cyclic compound binding nucleic acid binding transcription regulator activity DNA-binding transcription factor activity cation binding ion binding metal ion binding small molecule binding	-	intracellular anatomical structure cytoplasm cellular anatomical entity
C [auth D]	DNA (5'-D(CPGPCPGPAPTPAPAPTPGPAPTPAPAPTPCPAPTPTPAPTPCPCPGP*C)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR043135	Ferric-uptake regulator, C-terminal domain	Homologous Superfamily
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR002481	Ferric-uptake 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 R01GM133198.