D-arabinitol dehydrogenase from Candida tropicalis ATCC 750 or C

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Oxidoreductase

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4352554, 435921, 435924, C12N 904, C12N 116, C12N 100

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active

054515173

ABSTRACT:
A D-arabinitol dehydrogenase enzyme is disclosed. The enzyme is capable of catalyzing the oxidation of D-arabinitol and substantially incapable of catalyzing the oxidation of D-mannitol and is substantially free of other enzymes capable of oxidizing D-mannitol. Also disclosed are methods for determining D-arabinitol. In one embodiment the method comprises the steps of providing in combination (1) a medium suspected of containing D-arabinitol and (2) a D-arabinitol dehydrogenase enzyme and examining the medium for the product of the oxidation of the D-arabinitol. The enzyme utilized is capable of catalyzing the oxidation of D-arabinitol and substantially incapable of catalyzing the oxidation of D-mannitol. Kits for conducting the present method are also disclosed. The D-arabinitol dehydrogenase in purified form has all of the characteristics of a D-arabinitol dehydrogenase which is obtainable from Candida tropicalis ATCC 750 or Candida shehatae.

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