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Team:KULeuven/Modeling/Blue Light Receptor
From 2009.igem.org
Contents |
Blue light Sensor
Biological Model
Mathematical Model
| Name | Value | Comments | Reference |
|---|---|---|---|
| Degradation Rates | |||
| dmRNA | 2.3105E-3 s-1 | [4] | |
| dProteins | 1.9254E-5 s-1 | [5] | |
| Transcription Rates | |||
| ktranscription YcgF | 0.0154 s-1 | Rate is faster than transcription rate of YcgE | [1] |
| ktranscription YcgE | 0.00848 s-1 | estimate | [1] |
| Dimerization Parameters | |||
| kdimerization | 8.0E-11 (s molecule)-1 | Rate of dimerization of YcgF [molecule = 1 W/m�^2] | [2] |
| kdissociation | 0.0058 s-1 | Rate of dissociation of the YcgF complex | [3] |
| YcgF/YcgE Interaction | |||
| kbind | 100 (s molecule)-1 | Rate of binding of YcgF dimer to YcgE | [2] |
| kunbind | 1 s-1 | Rate of dissociation of the YcgF/YcgE complex | [3] |
Simulation
The amount of produced RIBOKEY is positively correlated on the incident blue radiation. The build up of key in the begin period of is due to the relative slow build up of the active state of YcgF protein in compared to the build up of YcgE.
References
[1] Natalia Tschowri, Susan Busse and Regine Hengge, "The BLUF-EAL protein YcgF acts as a direct anti-repressor in a blue-light response of Escherichia coli"
[2] Y. Nakasone et al., "Transient Dimerization and Conformational Change of a BLUF Protein: YcgF", Journal of the American Chemical Society, Apr. 2006
