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. Author manuscript; available in PMC: 2021 Feb 3.
Published in final edited form as: Nat Plants. 2020 Feb 3;6(2):67–72. doi: 10.1038/s41477-019-0582-x

Table 1.

Effect of DPC on AtCPS kinetic constants1

0 10 μM DPC 100 μM DPC
kcat (s−1) 0.3 ± 0.2 0.22 ± 0.06 0.09 ± 0.02
KM (μM) 7 ± 5 4 ± 2 3 ± 1
Ksi (μM) 5 ± 4 12 ± 6 60 ± 40
R2 0.92 0.90 0.95
1

Kinetic parameters calculated from fitting the observed data to the substrate inhibition equation (KaleidaGraph 4.0; Synergy). Values indicate the average ± standard error from the curve fit. The experiment was independently repeated twice with similar results.