Autoxidation of ascorbic acid catalyzed
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Juris P. Germanas; Emil T. Kaiser
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Article
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1990
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Wiley (John Wiley & Sons)
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English
โ 430 KB
The semisynthetic enzyme 6 was prepared by alkylation of the cysteine-25 sulfhydryl group of papain with the bipyridine 5 and was shown to stoichiometrically bind copper ion; 7 catalyzed the autoxidation of ascorbic acid derivatives with saturation kinetics approximately 20-fold faster than a model