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. 2007 Jul 27;189(19):6989–6997. doi: 10.1128/JB.00630-07

TABLE 2.

Kinetic values for substrate hydrolysis by AtzB

Kinetic measure Value for type of reaction on substrate (mean ± SD)
Deamination
Dechlorination
IEOT IMOT IIOT CIOT CEOT
Km (μM) 20 ± 2 40 ± 2 29 ± 3 120 ± 8 230 ± 20
kcat (s−1) 3.2 ± 0.2 1.4 ± 0.1 0.8 ± 0.1 1.9 ± 0.1 1.6 ± 0.1
kcat/Km (mM−1 s−1) 160 ± 20 35 ± 2 28 ± 6 16 ± 1 7 ± 1