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. Author manuscript; available in PMC: 2012 Aug 30.
Published in final edited form as: Biochemistry. 2011 Aug 8;50(34):7426–7439. doi: 10.1021/bi2006866

Table 1.

Kinetic Parameters for the Reduction of trans-1-Decalone by Wild Type and Mutants of Type II Polyketide Ketoreductases (ActKR and HedKR)

kcat (s−1) Km (mM) kcat/Km
(s−1 mM−1)
ActKR
WT 2.55 ± 0.121 0.790 ± 0.0850 3.23 ± 0.318
P94L 0.720 ± 0.193 0.709 ± 0.367 1.02 ± 0.592
HedKR
WT 0.109 ± 0.00758 0.591 ± 0.147 0.184 ± 0.0475
N92L ND
N92P ND

ND: No detectable activity