Difference between revisions of "Part:BBa K4169021"
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Revision as of 13:46, 12 October 2022
pFrmR+FrmRAB - An operon that degrades formaldehyde
Basic Description
PfrmR is found upstream of the frmRAB formaldehyde detoxification operon. FrmR, the first product of the operon, is a member of the DUF156 family of DNA-binding transcriptional regulators. It binds the frmRAB promoter region and is negatively allosterically modulated by formaldehyde. FrmR is specific to formaldehyde. The genes frmA and frmB encode a formaldehyde dehydrogenase and S-formylglutathione hydrolase, respectively, and are responsible for detoxifying formaldehyde to formic acid in a glutathione-dependent pathway. The negative-feedback regulation of the frmRAB operon is similar to that of many other prokaryotic operons, whereby the transcription factor represses its own transcription.
(Figure 1.Without formaldehyde).
Sequence and Features
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21INCOMPATIBLE WITH RFC[21]Illegal XhoI site found at 242
- 23COMPATIBLE WITH RFC[23]
- 25INCOMPATIBLE WITH RFC[25]Illegal NgoMIV site found at 679
Illegal AgeI site found at 1003 - 1000COMPATIBLE WITH RFC[1000]