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. Author manuscript; available in PMC: 2011 Apr 25.
Published in final edited form as: J Biol Chem. 2007 Apr 4;282(24):17767–17776. doi: 10.1074/jbc.M701308200

TABLE 2.

Steady state kinetic measurements on wild-type HPAO and mutants.a

Enzyme
Form
kcat (s−1) kcat/Km[MeA] (µM−1 s−1) kcat/Km[O2](µM−1 s−1)
Wt 6.2 ± 0.5 0.18   ± 0.04 0.80   ± 0.10
L425F 4.9 ± 0.1 0.15   ± 0.02 0.077 ± 0.007
I622Y 5.3 ± 0.1 0.091 ± 0.01 0.69   ± 0.10
I639F 5.3 ± 0.1 0.17   ± 0.02 1.2     ± 0.2
L643F 4.5 ± 0.4 0.13   ± 0.02 0.76   ± 0.12
a

All measurements carried out at pH 8 and 25°C.