The sterochemical configuration of the lactoyl group of S-lactoylglutathionine formed by the action of glyoxalase I from porcine erythrocytes and yeast |
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Authors: | Kerstin Ekwall Bengt Mannervik |
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Institution: | Department of Biochemistry, University of Stockholm, Stockholm Sweden |
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Abstract: | S-Lactoylglutatione formed by the reaction between methylglyoxal and glutathione, catalyzed by glyoxalase I, has been isolated by means of gel filtration. The product was analyzed for content of thiolester, thiol, and d- and l-lactate before and after hydrolysis of the thiolester linkage. From the results it is concluded that glyoxalase I from both porcine erythrocytes and yeast stereospecifically transfers hydrogen to form S-d-lactoylglutathione from methylglyoxal and glutathione. |
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