Evolutionary constraints in the mechanism of flavin catalysis |
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Authors: | C M Visser |
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Institution: | 1. Department of Organic Chemistry, University of Groningen, 9747, AG Groningen, The Netherlands
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Abstract: | Analysis of the possible evolution of flavin catalysis in succinate dehydrogenase suggests as the ultimate stage an active site that bears one or more acid functions and uses the enediol form of the substrate rather than the carbanion as a nucleophile. In the case of flavoenzyme catalyzed oxidation of fatty acylCoA, α-amino acids and α-hydroxy acids evolution to a similar mechanism seems to be blocked. |
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