2XGC

Crystal structure of a designed heterodimeric variant T-A(I)B of the tetracycline repressor

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	TetR C-terminal domain-like	8056374	3000086	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	TetR C-terminal domain-like	8056374	3000086	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	e2xgcA1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: TetR_N	ECOD (1.6)
A	TetR_C	e2xgcA2	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	ECOD (1.6)
B	TetR_N	e2xgcB1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: TetR_N	ECOD (1.6)
B	TetR_C	e2xgcB2	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	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)
A	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)
B	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	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	PF00440	Bacterial regulatory proteins, tetR family (TetR_N)	Bacterial regulatory proteins, tetR family	-	Domain
A	PF02909	Tetracyclin repressor-like, C-terminal domain (TetR_C_1)	Tetracyclin repressor-like, C-terminal domain	-	Domain
B	PF00440	Bacterial regulatory proteins, tetR family (TetR_N)	Bacterial regulatory proteins, tetR family	-	Domain
B	PF02909	Tetracyclin repressor-like, C-terminal domain (TetR_C_1)	Tetracyclin repressor-like, C-terminal domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TETRACYCLINE REPRESSOR PROTEIN CLASS B FROM TRANSPOSON TN10, TETRACYCLINE REPRESSOR PROTEIN CLASS D	DNA binding binding organic cyclic compound binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process response to stimulus response to chemical response to antibiotic	-
B	TETRACYCLINE REPRESSOR PROTEIN CLASS B FROM TRANSPOSON TN10, TETRACYCLINE REPRESSOR PROTEIN CLASS D	DNA binding binding organic cyclic compound binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process response to stimulus response to chemical response to antibiotic	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR023772	DNA-binding HTH domain, TetR-type, conserved site	Conserved Site
A	IPR003012	Tetracycline transcriptional regulator, TetR	Family
A	IPR001647	DNA-binding HTH domain, TetR-type	Domain
A	IPR036271	Tetracyclin repressor-like, C-terminal domain superfamily	Homologous Superfamily
A	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
A	IPR004111	Tetracycline repressor TetR, C-terminal	Domain
A	IPR023772	DNA-binding HTH domain, TetR-type, conserved site	Conserved Site
A	IPR003012	Tetracycline transcriptional regulator, TetR	Family
A	IPR001647	DNA-binding HTH domain, TetR-type	Domain
A	IPR036271	Tetracyclin repressor-like, C-terminal domain superfamily	Homologous Superfamily
A	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
A	IPR004111	Tetracycline repressor TetR, C-terminal	Domain
B	IPR023772	DNA-binding HTH domain, TetR-type, conserved site	Conserved Site
B	IPR003012	Tetracycline transcriptional regulator, TetR	Family
B	IPR001647	DNA-binding HTH domain, TetR-type	Domain
B	IPR036271	Tetracyclin repressor-like, C-terminal domain superfamily	Homologous Superfamily
B	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
B	IPR004111	Tetracycline repressor TetR, C-terminal	Domain
B	IPR023772	DNA-binding HTH domain, TetR-type, conserved site	Conserved Site
B	IPR003012	Tetracycline transcriptional regulator, TetR	Family
B	IPR001647	DNA-binding HTH domain, TetR-type	Domain
B	IPR036271	Tetracyclin repressor-like, C-terminal domain superfamily	Homologous Superfamily
B	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
B	IPR004111	Tetracycline repressor TetR, C-terminal	Domain