Steady-state analysis of metabolic pathways: comparing the double modulation method and the lin-log approach |
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Authors: | Link Hannes Weuster-Botz Dirk |
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Affiliation: | 1. Department of Mathematics, Islamic Azad University Branch of Qazvin, Iran;2. Department of Computer and IT, Islamic Azad University south Tehran Branch, Iran;3. School of Biological Science, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran |
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Abstract: | The increasing interest in studying enzyme kinetics under in vivo conditions requires practical methods to estimate control parameters from experimental data. In contrast to currently established approaches of dynamic modelling, this paper addresses the steady-state analysis of metabolic pathways. Within the framework of metabolic control analysis (MCA), elasticity coefficients are used to describe the control properties of a local enzyme reaction. The double modulation method is one of the first experimental approaches to estimate elasticity coefficients from measurements of steady-state flux rates and metabolite concentrations. We propose a generalized form of the double modulation method and compare it to the recently developed linear-logarithmic approach. |
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Keywords: | Metabolic control analysis Double modulation method Lin– log approach Parameter estimation |
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