| A variational principle for computing nonequilibrium fluxes and potentials in genome-scale biochemical networks. | |
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MedLine Citation:
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PMID: 21983269 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We derive a convex optimization problem on a steady-state nonequilibrium network of biochemical reactions, with the property that energy conservation and the second law of thermodynamics both hold at the problem solution. This suggests a new variational principle for biochemical networks that can be implemented in a computationally tractable manner. We derive the Lagrange dual of the optimization problem and use strong duality to demonstrate that a biochemical analogue of Tellegen's theorem holds at optimality. Each optimal flux is dependent on a free parameter that we relate to an elementary kinetic parameter when mass action kinetics is assumed. |
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Authors:
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R M T Fleming; C M Maes; M A Saunders; Y Ye; B Ø Palsson |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-5 |
Journal Detail:
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Title: Journal of theoretical biology Volume: - ISSN: 1095-8541 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376342 Medline TA: J Theor Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier Ltd. |
Affiliation:
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Center for Systems Biology, University of Iceland, Sturlugata 8, Reykjavik 101, Iceland. |
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