Identification
Name:Cytoskeleton-binding toxin CbtA
Synonyms:Not Available
Gene Name:cbtA
Enzyme Class:Not Available
Biological Properties
General Function:regulation of cell shape
Specific Function:Toxic component of a type IV toxin-antitoxin (TA) module. Interacts with cytoskeletal proteins FtsZ and MreB; inhibits FtsZ GTP-dependent polymerization and GTPase activity as well as MreB ATP-dependent polymerization. Binds to both the N- and C-terminus of FtsZ, likely blocking its polymerization. Overexpression results in inhibition of growth in liquid cultures and decrease in colony formation; these effects are overcome by concomitant expression of antitoxin CbeA (YeeU). In other experiments after 6 hours cells are lemon-shaped and by 24 hours those that have not lysed are spherical with diminished polar regions. Toxic effects are neutralized by cognate antitoxin CbeA, although there is no direct interaction between the 2 proteins.
Cellular Location:Not Available
SMPDB Pathways:Not Available
KEGG Pathways:Not Available
Metabolites:
ECMDB IDNameView
GO Classification:
Function
cytoskeletal protein binding
programmed cell death
regulation of cell shape
Gene Properties
Blattner:Not Available
Gene OrientationNot Available
Centisome Percentage:Not Available
Left Sequence EndNot Available
Right Sequence EndNot Available
Gene Sequence:
>375
atgaaaacattacctgtattacccgggcaggcggccagttctcgcccgtctcctgttgaa
atctggcagatactgctgtcccgactgctggaccagcactatggcctcacactgaatgac
acaccttttgccgatgaacgtgtgattgagcagcatattgaggcaggcatttcactgtgt
gatgcggtgaactttctcgtggaaaaatacgcgctggtgcgtaccgaccagccgggattc
agcgcctgtacccgctctcagttaataaacagcatcgatatcctccgggctcgcagggcg
accggcctgatgacccgcgacaattacagaacggtaaataacattaccctgggtaagtat
ccggaggcgaaatga
Protein Properties
Pfam Domain Function:Not Available
Protein Residues:124
Protein Molecular Weight:13898
Protein Theoretical pI:Not Available
Signaling Regions:Not Available
Transmembrane Regions:Not Available
Protein Sequence:
>Cytoskeleton-binding toxin CbtA
MKTLPVLPGQAASSRPSPVEIWQILLSRLLDQHYGLTLNDTPFADERVIEQHIEAGISLC
DAVNFLVEKYALVRTDQPGFSACTRSQLINSIDILRARRATGLMTRDNYRTVNNITLGKY
PEAK
References
External Links:
ResourceLink
Uniprot ID:P64524
Uniprot Name:CBTA_ECOLI
CCDB:CBTA_ECOLI
General Reference:Not Available