Double oxidation of D-xylose to D-glycero -pentos-2,3-diulose (2,3-diketo-D-xylose) by pyranose dehydrogenase from the mushroom Agaricus bisporus
Language English Country Netherlands Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
11086703
DOI
10.1016/s0008-6215(00)00167-1
PII: S0008-6215(00)00167-1
Knihovny.cz E-resources
- MeSH
- Agaricus enzymology MeSH
- Hydrazones chemistry MeSH
- Carbohydrate Dehydrogenases isolation & purification metabolism MeSH
- Ketones chemistry metabolism MeSH
- Magnetic Resonance Spectroscopy MeSH
- Molecular Structure MeSH
- Oxidation-Reduction MeSH
- Chromatography, High Pressure Liquid MeSH
- Xylose analogs & derivatives chemistry metabolism MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- 2,3-diketoxylose MeSH Browser
- Hydrazones MeSH
- Carbohydrate Dehydrogenases MeSH
- Ketones MeSH
- Xylose MeSH
Pyranose dehydrogenase purified to homogeneity from the mycelia of the basidiomycete fungus Agaricus bisporus catalyzed the oxidation of D-xylose at C-2 to D-threo-pentos-2-ulose (2-keto-D-xylose) and successively at C-3 to D-glycero-pentos-2,3-diulose (2,3-diketo-D-xylose) using 1,4-benzoquinone as an electron acceptor. The sites of oxidation were deduced from the spectroscopic analysis (MS, NMR) of the N,N-diphenylhydrazone derivatives of the reaction products.
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