Annotations: 2ARC

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2arca_	All beta proteins	Double-stranded beta-helix	Regulatory protein AraC	Regulatory protein AraC	Regulatory protein AraC	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d2arcb_	All beta proteins	Double-stranded beta-helix	Regulatory protein AraC	Regulatory protein AraC	Regulatory protein AraC	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	AraC-like	8030692	4002893	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	RmlC-like cupins	8043071	3001825	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	RmlC-like cupins	8043071	3001825	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	PF02311	e2arcA1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF02311	ECOD (1.6)
B	PF02311	e2arcB1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF02311	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.280	Mainly Beta	Sandwich	Jelly Rolls	Regulatory protein AraC	CATH (4.3.0)
B	2.60.120.280	Mainly Beta	Sandwich	Jelly Rolls	Regulatory protein AraC	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02311	AraC-like ligand binding domain (AraC_binding)	AraC-like ligand binding domain	This family represents the arabinose-binding and dimerisation domain of the bacterial gene regulatory protein AraC. The domain is found in conjunction with the helix-turn-helix (HTH) DNA-binding motif Pfam:PF00165. This domain is distantly related ...	This family represents the arabinose-binding and dimerisation domain of the bacterial gene regulatory protein AraC. The domain is found in conjunction with the helix-turn-helix (HTH) DNA-binding motif Pfam:PF00165. This domain is distantly related to the Cupin domain Pfam:PF00190.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ARABINOSE OPERON REGULATORY PROTEIN	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding identical protein binding protein binding transcription regulator activity DNA-binding transcription repressor activity DNA-binding transcription factor activity	monosaccharide metabolic process arabinose metabolic process carbohydrate metabolic process catabolic process arabinose catabolic process carbohydrate catabolic process primary metabolic process organic substance metabolic process small molecule metabolic process metabolic process pentose metabolic process monosaccharide catabolic process small molecule catabolic process pentose catabolic process monosaccharide metabolic process arabinose metabolic process carbohydrate metabolic process catabolic process arabinose catabolic process carbohydrate catabolic process primary metabolic process organic substance metabolic process small molecule metabolic process metabolic process pentose metabolic process monosaccharide catabolic process small molecule catabolic process pentose catabolic process organic substance catabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex protein-DNA complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003313	AraC-type arabinose-binding/dimerisation domain	Domain
A, B	IPR018060	DNA binding HTH domain, AraC-type	Domain
A, B	IPR018062	HTH domain AraC-type, conserved site	Conserved Site
A, B	IPR020449	Transcription regulator HTH, AraC- type	Family
A, B	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
A, B	IPR037923	Transcription regulator HTH-like	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.