3BHQ

CRYSTAL STRUCTURE OF A PUTATIVE TETR-FAMILY TRANSCRIPTIONAL REGULATOR (MLR_4833) FROM MESORHIZOBIUM LOTI MAFF303099 AT 1.54 A RESOLUTION

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)
B	SCOP2B Superfamily	TetR C-terminal domain-like	8090118	3000086	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Homeodomain-like	8090117	3000001	SCOP2B (2022-06-29)
A	SCOP2 Family	Tetracyclin repressor-like	8049762	4000333	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Homeodomain-like	8090117	3000001	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	TetR C-terminal domain-like	8090118	3000086	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF00440	e3bhqB1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: PF00440	ECOD (1.6)
B	PF14246	e3bhqB2	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: PF14246	ECOD (1.6)
A	PF00440	e3bhqA1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: PF00440	ECOD (1.6)
A	PF14246	e3bhqA2	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: PF14246	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)
A	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	PF14246	AefR-like transcriptional repressor, C-terminal domain (TetR_C_7)	AefR-like transcriptional repressor, C-terminal domain	This family comprises the C-terminal domain of transcriptional regulators of the TetR family. It includes the AefR transcriptional regulator from P. syringae [1]. It is found in association with Pfam:PF00440.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transcriptional regulator	DNA binding binding organic cyclic compound binding nucleic acid binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001647	DNA-binding HTH domain, TetR-type	Domain
A, B	IPR036271	Tetracyclin repressor-like, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
A, B	IPR039536	Transcriptional regulator TetR, C-terminal, Proteobacteria type	Domain

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 R01GM133198.