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. 2007 Dec 28;105(24):8209–8214. doi: 10.1073/pnas.0708308105

Table 1.

Kinetic parameters for reaction of AhpC with various peroxide substrates

Peroxide substrate kcat, s−1 KmROOH, μM KmS128W, μM kcat/Km, M−1·s−1
HOOH 52.4 ± 1.7 1.4 ± 0.1 5.9 ± 0.6 3.7 × 107
Ethyl-OOH 52.7 ± 1.3 4.5 ± 0.3 4.7 ± 0.3 1.2 × 107
Cumene-OOH 52.0 ± 1.8 107 ± 8 4.0 ± 0.3 4.9 × 105
t-Butyl-OOH 54.7 ± 1.0 238 ± 8 4.1 ± 0.2 2.3 × 105