Issue 20, 1989

15N-isotope and double isotope fractionation studies of the mechanism of 3-methylaspartase: concerted elimination of ammonia from (2S,3S)-3-methylaspartic acid

Abstract

The mechanism of the L-threo-3-methylaspartate ammonia-lyase reaction has been investigated using double isotope (2H/1H, 15N/14N) fractionation techniques; the physiological substrate is deaminated via a concerted mechanism in which Cβ–H and Cα–N bond cleavage occur in the same transition state.

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1989, 1583-1585

15 N-isotope and double isotope fractionation studies of the mechanism of 3-methylaspartase: concerted elimination of ammonia from (2S,3S)-3-methylaspartic acid

N. P. Botting, A. A. Jackson and D. Gani, J. Chem. Soc., Chem. Commun., 1989, 1583 DOI: 10.1039/C39890001583

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