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Evaluation of interconversion between (R)- and (S)-enantiomers of beta-aminoisobutyrate
N Tamaki1, M Kaneko, M Kikugawa
1Laboratory of Nutritional Chemistry, Faculty of Nutrition, Kobe-Gakuin University, Japan.
Biochimica Et Biophysica Acta
|July 20, 1990
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.