Annotations: 3E6C

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth C]	d3e6cc1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	CAP C-terminal domain-like	Chlorophenol reduction protein CprK	(Desulfitobacterium hafniense DCB-2 ) [TaxId: 272564 ],	SCOPe (2.08)
A [auth C]	d3e6cc2	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	cAMP-binding domain	Chlorophenol reduction protein CprK	(Desulfitobacterium hafniense DCB-2 ) [TaxId: 272564 ],	SCOPe (2.08)
A [auth C]	d3e6cc3	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Desulfitobacterium hafniense DCB-2 ) [TaxId: 272564 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth C]	SCOP2B Superfamily	cAMP-binding domain-like	8017723	3000084	SCOP2B (2022-06-29)
A [auth C]	SCOP2B Superfamily	Winged helix DNA-binding domain	8017720	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 [auth C]	cNMP_binding	e3e6cC1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: cNMP_binding	ECOD (1.6)
A [auth C]	HTH_Crp_2	e3e6cC2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: HTH_Crp_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth C]	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.2.0)
A [auth C]	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 (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A]	DNA (5'-D(PDGPDGPDCPDAPDTPDGPDTPDTPDAPDAPDTPDGP*DC)-3')	-	-	-
B	DNA (5'-D(PDGPDCPDAPDTPDTPDAPDAPDCPDAPDTPDGPDCP*DC)-3')	-	-	-
A [auth C]	Cyclic nucleotide-binding protein	DNA binding binding nucleic acid binding	regulation of cellular 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 regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of cellular 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 regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C]	IPR000595	Cyclic nucleotide-binding domain	Domain
A [auth C]	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily
A [auth C]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A [auth C]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A [auth C]	IPR012318	Crp-type HTH domain	Domain
A [auth C]	IPR014710	RmlC-like jelly roll fold	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.