Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyTetR C-terminal domain-like 8056416 3000086 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyHomeodomain-like 8056415 3000001 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyTetR C-terminal domain-like 8056416 3000086 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyHomeodomain-like 8056415 3000001 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ATetR_Ne2yveA1 A: alpha arraysX: HTHH: HTHT: tri-helicalF: TetR_NECOD (1.6)
ATetR_C_6_2e2yveA2 A: alpha bundlesX: Tetracyclin repressor-like, C-terminal domain (From Topology)H: Tetracyclin repressor-like, C-terminal domain (From Topology)T: Tetracyclin repressor-like, C-terminal domainF: TetR_C_6_2ECOD (1.6)
BTetR_Ne2yveB1 A: alpha arraysX: HTHH: HTHT: tri-helicalF: TetR_NECOD (1.6)
BTetR_C_6_2e2yveB2 A: alpha bundlesX: Tetracyclin repressor-like, C-terminal domain (From Topology)H: Tetracyclin repressor-like, C-terminal domain (From Topology)T: Tetracyclin repressor-like, C-terminal domainF: TetR_C_6_2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.357.10 Mainly Alpha Orthogonal Bundle Tetracycline Repressor domain 2CATH (4.3.0)
B1.10.357.10 Mainly Alpha Orthogonal Bundle Tetracycline Repressor domain 2CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF17937Tetracyclin repressor-like, C-terminal domain (TetR_C_28)Tetracyclin repressor-like, C-terminal domainTetR family regulators are involved in the transcriptional control of multidrug efflux pumps, pathways for the biosynthesis of antibiotics, response to osmotic stress and toxic chemicals, control of catabolic pathways, differentiation processes, and ...TetR family regulators are involved in the transcriptional control of multidrug efflux pumps, pathways for the biosynthesis of antibiotics, response to osmotic stress and toxic chemicals, control of catabolic pathways, differentiation processes, and pathogenicity [1]. The TetR proteins identified in overm ultiple genera of bacteria and archaea share a common helix-turn-helix (HTH) structure in their DNA-binding domain. However, TetR proteins can work in different ways: they can bind a target operator directly to exert their effect (e.g. TetR binds Tet(A) gene to repress it in the absence of tetracycline), or they can be involved in complex regulatory cascades in which the TetR protein can either be modulated by another regulator or TetR can trigger the cellular response [1]. TetR regulates the expression of the membrane-associated tetracycline resistance protein, TetA, which exports the tetracycline antibiotic out of the cell before it can attach to the ribosomes and inhibit protein synthesis [2]. TetR blocks transcription from the genes encoding both TetA and TetR in the absence of antibiotic. The C-terminal domain is multi-helical and is interlocked in the homodimer with the helix-turn-helix (HTH) DNA-binding domain [2]. This entry represents the C-terminal domain present in CgmR (C. glutamicum multidrug-responsive transcriptional repressor), previously called CGL2612 protein. CgmR (CGL2612) from Corynebacterium glutamicum is a multidrug-resistance-related transcription factor belonging to the TetR family. It regulates expression of the immediately upstream gene cgmA (cgl2611) by binding to the operator cgmO in the cgmA promoter. The cgmA gene encodes a permease belonging to the major facilitator superfamily, a protein family composed of bacterial multidrug exporters, and the pair of CgmR and CgmA confers multidrug resistance on C. glutamicum [3].
Domain
A, B
PF00440Bacterial regulatory proteins, tetR family (TetR_N)Bacterial regulatory proteins, tetR family- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Transcriptional regulator -