Definitions for galactose oxidase

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  1. Galactose oxidase

    In enzymology, a galactose oxidase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are D-galactose and O2, whereas its two products are D-galacto-hexodialdose and H2O2. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with oxygen as acceptor. The systematic name of this enzyme class is D-galactose:oxygen 6-oxidoreductase. Other names in common use include D-galactose oxidase, and beta-galactose oxidase. It employs two cofactors, copper and an active site amino acid derived post-translational modification involving the covalent cross-linking of Cys228 and Tyr272 and which represents the site of the catalytic free radical.

U.S. National Library of Medicine

  1. Galactose Oxidase

    An enzyme that oxidizes galactose in the presence of molecular oxygen to D-galacto-hexodialdose. It is a copper protein. EC 1.1.3.9.

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"galactose oxidase." Definitions.net. STANDS4 LLC, 2014. Web. 20 Dec. 2014. <http://www.definitions.net/definition/galactose oxidase>.

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