Team:Grenoble/Projet/Modelling/Parameters

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Grenoble 2011, Mercuro-Coli iGEM


Modelling - Parameters

Here you can find our set of parameters and the study of the sensitivity to parameters of our system.

Parameters

PDF file (detailed explanation on parameters and how we deduced them) for Toggle Switch
kplac pLac production rate 600 proteins/min [1]
kpTet pTet production rate 600 proteins/min [1]
kpMer pMer production rate 600 proteins/min [1]
δLacI LacI degradation rate 4.6E-2 min−1 PDF file
δTetR TetR degradation rate 4.6E-2 min−1 PDF file
δMerR MerR degradation rate 4.6E-2 min−1 PDF file
KpLac - LacI plac - LacI dissociation constant 5.45E-7 M Kyoto 10
KpMer - MerR pMer - MerR dissociation constant 1.00E-8 M [2]
KpTet - TerR pTet - TetR dissociation constant 5.00E-8 M [3]
KLacI - IPTG LacI - IPTG dissociation constant 2.96E-5 M [4]
KTetR - aTc aTc - TetR dissociation constant 1.5E-8 M [5]
KHg2+ - MerR Hg2+ - MerR dissociation constant 1E-7 M [2]
nplac plac cooperativity number 2,3 [4]
npMer pMer cooperativity number 2,5 [6]
npTet pTet cooperativity number 3 [7]

Sensitivity to parameters

References

[1] Nature. 2000 Jan 20;403(6767):335-8. A synthetic oscillatory network of transcriptional regulators. Elowitz MB, Leibler S.

[2] Mol Gen Genet. 1999 Aug;262(1):154-62. Purification and characterization of MerR, the regulator of the broad-spectrum mercury resistance genes in Streptomyces lividans 1326. Rother D, Mattes R, Altenbuchner J.

[3] David Braun et al. Parameter estimation for two synthetic gene networks: A case study. IEEE 2005.

[4] Nature 403, 339-342 (20 January 2000) Construction of a genetic toggle switch in Escherichia coli. Timothy S. Gardner Charles R. Cantor & James J. Collins

[5] O. Scholz, P. Schubert, M. Kintrup and W. Hillen, Tet repressor induction without Mg2+, Biochemistry 39 (2000), pp. 10914–10920

[6] Ultrasensitivity and heavy-metal selectivity of the allosterically modulated MerR transcription complex. D M Ralston and T V O'Halloran

[7] Systems analysis of a quorum sensing network: design constraints imposed by the functional requirements, network topology and kinetic constants. Goryachev AB, Toh DJ, Lee T.