Skip to main content
. 2016 Feb 26;291(16):8618–8631. doi: 10.1074/jbc.M115.698225

TABLE 1.

Activation of isoleucine and valine by SgIleRS and ScIleRS at 30 °C

The values represent the best fit value ± S.E. of at least two independent experiments.

Km/μmol dm−3 kcat/s−1 kcat/Km/s−1 μmol dm−3 Discrimination factor
SgIleRS + Ile 17.4 ± 3.0 20.6 ± 1.4 1.18
SgIleRS + Val 1750 ± 130 19.3 ± 0.4 0.01 118
ScIleRS + Ile 7.6 ± 0.3 11.4 ± 0.8 1.5
ScIleRS + Val 840 ± 10 8.6 ± 1 0.01 147