1UI6

Crystal structure of gamma-butyrolactone receptor (ArpA-like protein)

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)
A	d1ui6a1	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	Tetracyclin repressor-like, N-terminal domain	A-factor receptor homolog CprB	(Streptomyces coelicolor A3(2) ) [TaxId: 100226 ],	SCOPe (2.08)
A	d1ui6a2	All alpha proteins	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	A-factor receptor homolog CprB	(Streptomyces coelicolor A3(2) ) [TaxId: 100226 ],	SCOPe (2.08)
B	d1ui6b1	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	Tetracyclin repressor-like, N-terminal domain	A-factor receptor homolog CprB	(Streptomyces coelicolor A3(2) ) [TaxId: 100226 ],	SCOPe (2.08)
B	d1ui6b2	All alpha proteins	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	A-factor receptor homolog CprB	(Streptomyces coelicolor A3(2) ) [TaxId: 100226 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Homeodomain-like	8056377	3000001	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	TetR C-terminal domain-like	8056378	3000086	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	TetR C-terminal domain-like	8056378	3000086	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Homeodomain-like	8056377	3000001	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	TetR_N	e1ui6A1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: TetR_N	ECOD (1.6)
A	TetR_C_11_like_1	e1ui6A2	A: alpha bundles	X: Tetracyclin repressor-like, C-terminal domain (From Topology)	H: Tetracyclin repressor-like, C-terminal domain (From Topology)	T: Tetracyclin repressor-like, C-terminal domain	F: TetR_C_11_like_1	ECOD (1.6)
B	TetR_N	e1ui6B1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: TetR_N	ECOD (1.6)
B	TetR_C_11_like_1	e1ui6B2	A: alpha bundles	X: Tetracyclin repressor-like, C-terminal domain (From Topology)	H: Tetracyclin repressor-like, C-terminal domain (From Topology)	T: Tetracyclin repressor-like, C-terminal domain	F: TetR_C_11_like_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)
B	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00440	Bacterial regulatory proteins, tetR family (TetR_N)	Bacterial regulatory proteins, tetR family	-	Domain
A, B	PF21935	Tetracyclin repressor-like, C-terminal domain (TetR_C_45)	Tetracyclin repressor-like, C-terminal domain	This domain is found at the C-terminal end of CprB from Streptomyces coelicolor (Swiss:O66122) and similar bacterial transcriptional regulators. This region is the ligand-binding domain (LBD) [1,2]. It is often found associated with Pfam:PF00440.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	A-factor receptor homolog	DNA binding binding organic cyclic compound binding nucleic acid binding	regulation of cellular process cellular biosynthetic 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 cellular metabolic process regulation of cellular process cellular biosynthetic 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 cellular metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process metabolic process regulation of macromolecule biosynthetic process cellular 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	IPR023772	DNA-binding HTH domain, TetR-type, conserved site	Conserved Site
A, B	IPR009057	Homedomain-like superfamily	Homologous Superfamily
A, B	IPR047923	A-factor receptor protein-like	Family
A, B	IPR050109	HTH-type, TetR-like transcriptional regulator	Family
A, B	IPR054126	CprB tetracyclin repressor-like, C-terminal domain	Domain
A, B	IPR001647	DNA-binding HTH domain, TetR-type	Domain
A, B	IPR036271	Tetracyclin repressor-like, C-terminal domain superfamily	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.