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DL-mevalonate
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Routine measurement of enzyme activity was performed  spectrophotometrically  at  30¡ãC  by  using  a  1.0-ml  mixture  which  contained  100  umol  of  HEPES  (pH  7.5),  100  umol  of  KCl,  0.2  umol  of  phosphoenolpyruvate, 0.5 umol of DTT, 0.16 umol of NADH, 10 umol of MgCl2, 4 U of lactate dehydrogenase, 4 U of pyruvate kinase, 5.0 umol of ATP, and 0.8 umol of DL-mevalonate.

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