Annotations: 4OOI

Reduced HlyU from Vibrio cholerae N16961

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 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)
D	d4ooid_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
C	d4ooic_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
B	d4ooib_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
A	d4ooia_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Winged helix DNA-binding domain	8067776	3000034	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Winged helix DNA-binding domain	8067776	3000034	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Winged helix DNA-binding domain	8067776	3000034	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Winged helix DNA-binding domain	8067776	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)
D	Ank, Ank_2, Ank_3, Ank_4	e4ooiD1	A: a/b three-layered sandwiches	X: CCHC-type 1 zinc finger	H: Retrovirus zinc finger-related domains	T: Retrovirus zinc finger-related domains	F: Ank, Ank_2, Ank_3, Ank_4	ECOD (v294.1)
C	Ank, Ank_2, Ank_3, Ank_4	e4ooiC1	A: a/b three-layered sandwiches	X: CCHC-type 1 zinc finger	H: Retrovirus zinc finger-related domains	T: Retrovirus zinc finger-related domains	F: Ank, Ank_2, Ank_3, Ank_4	ECOD (v294.1)
B	Ank, Ank_2, Ank_3, Ank_4	e4ooiB1	A: a/b three-layered sandwiches	X: CCHC-type 1 zinc finger	H: Retrovirus zinc finger-related domains	T: Retrovirus zinc finger-related domains	F: Ank, Ank_2, Ank_3, Ank_4	ECOD (v294.1)
A	Ank, Ank_2, Ank_3, Ank_4	e4ooiA1	A: a/b three-layered sandwiches	X: CCHC-type 1 zinc finger	H: Retrovirus zinc finger-related domains	T: Retrovirus zinc finger-related domains	F: Ank, Ank_2, Ank_3, Ank_4	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	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)
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 (4.3.0)
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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01022	Bacterial regulatory protein, arsR family (HTH_5)	Bacterial regulatory protein, arsR family	Members of this family contains a DNA binding 'helix-turn-helix' motif. This family includes other proteins which are not included in the Prosite definition.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Transcriptional activator HlyU	DNA binding binding nucleic acid binding transcription regulator activity DNA-binding transcription factor activity	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, B, C, D	IPR001845	HTH ArsR-type DNA-binding domain	Domain
A, B, C, D	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR011991	ArsR-like helix-turn-helix domain	Domain
A, B, C, D	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR051081	HTH-type Metal-responsive Transcriptional Regulators	Family

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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.