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. 2017 May 11;16:81. doi: 10.1186/s12934-017-0698-5

Table 1.

Kinetic characterization and enzyme activity of the wild-type and mutant enzymes

Enzyme Km (μM) k cat (s−1) k cat/Km (s−1 M−1) Maximum enzyme activity (U/mg) Fold
Sys410 14.11 ± 3.22 289.12 ± 3.03 20.50 772.92 ± 3.41 1.00
M1 13.70 ± 2.02 293.31 ± 1.27 21.41 958.43 ± 1.27 1.24
M2 11.61 ± 2.74 350.15 ± 6.05 30.16 1901.31 ± 4.20 2.46
M3 12.77 ± 1.92 307.32 ± 4.89 24.07 1538.14 ± 2.21 1.99