Evaluation of interconversion between (R)- and (S)-enantiomers of beta-aminoisobutyrate |
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| Authors: | N Tamaki M Kaneko M Kikugawa S Fujimoto |
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| Institution: | Laboratory of Nutritional Chemistry, Faculty of Nutrition, Kobe-Gakuin University, Japan. |
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| Abstract: | The conversion of (R)- to (S)-beta-aminoisobutyrate was observed in the presence of D-3-aminoisobutyrate-pyruvate aminotransferase, aminobutyrate aminotransferase, pyruvate and L-glutamate. The reverse reaction was also found in the presence of 2-oxoglutarate and L-alanine. Neither D-3-aminoisobutyrate-pyruvate aminotransferase nor aminobutyrate aminotransferase revealed a racemase activity of the enantiomorphs. |
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