DXS
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The DXS reaction (EC 2.2.1.7)
Deoxyxylulose-5-phosphate synthase (DXS) catalyses the production of 1-deoxy-D-xylulose 5-phosphate (DXP) from pyruvate and glyceraldehyde 3-phosphate (G3P). This reaction is the first step in the MEP pathway.
Modelling DXS
In the kinetic model, the DXS reaction is modelled with reversible Michaelis-Menten using the Hanekom [1] bi-bi random order generic equation. In total, this reaction requires five kinetic parameters (Kms for all substrates and products, and a forward Kcat) and one thermodynamic parameter (Equilibrium constant, Keq).
References
- ↑ Hanekom, A. J. 2006. "Generic kinetic equations for modelling multisubstrate reactions in computational systems biology", MSc Thesis submitted at the University of Stellenbosch