Annotations: 2FNP

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2fnpa1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	MarR-like transcriptional regulators	Pleiotropic regulator of virulence genes, SarA	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
B	d2fnpb_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	MarR-like transcriptional regulators	Pleiotropic regulator of virulence genes, SarA	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Winged helix DNA-binding domain	8054312	3000034	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Winged helix DNA-binding domain	8054312	3000034	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	PCI	e2fnpA2	A: a/b three-layered sandwiches	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: PCI	ECOD (v294.1)
B	PCI	e2fnpB2	A: a/b three-layered sandwiches	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: PCI	ECOD (v294.1)

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)
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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Staphylococcal accessory regulator A	DNA binding binding nucleic acid binding transcription regulator activity DNA-binding transcription factor activity cation binding ion binding metal ion binding small molecule binding	response to stimulus response to stress	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR055166	Transcriptional regulator SarA/SarZ/Rot-like, helix-turn-helix domain	Domain
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR039422	Transcription regulators MarR/SlyA-like	Family
A, B	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR010166	Transcriptional regulator SarA/Rot domain	Domain

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.