IGEM:Imperial/2010/Fast Response module: Difference between revisions
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*The EnvZ-OmpR system: [http://www.ncbi.nlm.nih.gov/pubmed/15979641 The response regulator OmpR oligomerizes via beta-sheets to form head-to-head dimers.] | *The EnvZ-OmpR system: [http://www.ncbi.nlm.nih.gov/pubmed/15979641 The response regulator OmpR oligomerizes via beta-sheets to form head-to-head dimers.] | ||
*all about EnvZ [http://www.bio.cmu.edu/courses/03441/termpapers/99TermPapers/TwoCom/envz_details.html] | |||
*all about OmpR [http://www.bio.cmu.edu/courses/03441/termpapers/99TermPapers/TwoCom/ompr_details.html] | |||
Revision as of 08:40, 23 July 2010
| Signalling |
|---|
| 2 components systems |
| logic gate |
| Vibrio cholera |
Idea 1
The first idea, that seems to be feasible considering all the components, is the one below:
This is a bacterial two component system. On recieving of a signal, the Env Z receptor autophosphorylates. The phosphate is then passed on the respond element, a transcription factor called OmpR. OmpR is a molecule found naturally downstream of the signalling cascade from the EnvZ receptor. On phosphorylation the OmpR-P dimerise. Since each OmpR is fused with a split protease, when the OmpRs come together, the split protease (TEV) domains come together. This produces the active protease.
References:
- The split protease TEV: Monitoring regulated protein-protein interactions using split TEV
- The EnvZ-OmpR system: The response regulator OmpR oligomerizes via beta-sheets to form head-to-head dimers.
- all about EnvZ [1]
- all about OmpR [2]
