European journal of biochemistry, 127(2), 391-396 (1982-10-01)
An enzyme from Saccharomyces cerevisiae which catalyzes the reaction: L-galactonolactone + O2 leads to L-ascorbate + H2O2 has been purified 466-fold from the mitochondrial fraction of a yeast homogenate. The enzyme has several properties that are different from the L-galactonolactone
Applied and environmental microbiology (2018-04-01)
Fungi secrete a set of glycoside hydrolases and oxidoreductases, including lytic polysaccharide monooxygenases (LPMOs), for the degradation of plant polysaccharides. LPMOs catalyze the oxidative cleavage of glycosidic bonds after activation by an external electron donor. So far, only flavin-dependent oxidoreductases
A previously unknown metabolic pathway for the utilization of l-galactose was discovered in a prevalent gut bacterium, Bacteroides vulgatus. The new pathway consists of three previously uncharacterized enzymes that were found to be responsible for the conversion of l-galactose to
A member of the amidohydrolase superfamily, BmulJ_04915 from Burkholderia multivorans, of unknown function was determined to hydrolyze a series of sugar lactones: L-fucono-1,4-lactone, D-arabino-1,4-lactone, L-xylono-1,4-lactone, D-lyxono-1,4-lactone, and L-galactono-1,4-lactone. The highest activity was shown for L-fucono-1,4-lactone with a k(cat) value of
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