Modelling of two enzyme reactions in a linked cofactor recycle system for chiral lactone synthesis

Matthew C Hogan, John Woodley

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A model has been developed to describe the interaction between two enzymes in a stirred vessel. Using the model, cofactor (NADPH) recycle has been investigated by simultaneous solution of the rate equations, solved with the aid of a numerical solution. The overall general aim of this work is to increase the information available to the designer on similar biocatalytic processes so that comparisons between process options can be quantified. This model allows the optimisation of the proportion of two enzymes and total cofactor concentration needed for a satisfactory reaction rate to be achieved. A secondary use of these data is in the prediction of cofactor stability which is a strong function of pH. The model also indicates the potential cofactor turnover number achievable, an important economic consideration. The accuracy of the model has been assessed and is in good agreement with experimental data. (C) 2000 Elsevier Science Ltd. All rights reserved.
Original languageEnglish
JournalChemical Engineering Science
Volume55
Issue number11
Pages (from-to)2001-2008
ISSN0009-2509
DOIs
Publication statusPublished - 2000
Externally publishedYes

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