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. 2024 May 17;300(6):107381. doi: 10.1016/j.jbc.2024.107381

Table 3.

Effects of pH on the steady-state kinetic parameters of the PaDADH E246L variant enzyme with D-leucine as substrate at 25 oCa

Kinetic parameter CH pKa R2
kcat/Km 2200 ± 500 8.7 ± 0.1 0.987
a

Enzymatic activities were measured at varying concentrations of D-leucine and fixed 1 mM PMS. Reactions were carried out in 20 mM sodium pyrophosphate. The kcat/Km parameter values were obtained after fitting the kinetic data with Equation 4.