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. Author manuscript; available in PMC: 2020 Jun 4.
Published in final edited form as: Biochemistry. 2019 Jan 4;58(6):848–857. doi: 10.1021/acs.biochem.8b01167

Table 3.

Steady state kinetics and product profile of wt-hALOX12 and its two 414 mutants with mead acid to examine the interacting double bond of the substrate with F414.

Enzymes KM (µM) kcat (s−1) kcat/KM (µM)−1s−1 Products (%)
12-HETE 15-HETE
Wt-hALOX12 1.3 ± 0.09 1.5 ± 0.03 1.2 ± 0.06 100 ± 5 0
F414L 1.8 ± 0.5 0.60 ± 0.05 0.33 ± 0.07 100 ± 5 0
F414W 1.9 ± 0.2 8.5 ± 0.2 4.5 ± 0.3 100 ± 5 0