Table 2.
Assay method | Kinetic parameter | Assay method | Kinetic parameter | |
AtGH3-12 | HPLCa | Vmax = 20.4 min−1 | coupled UV/Visb | Vmax = 13.2 min−1 |
HPLCa | Km4-HBA = 450 µM | coupled UV/Visb | Km4-HBA = 63 µM | |
adenylationa | KmATP = 791 µM | coupled UV/Visb | KmATP = 99 µM | |
none | not determined | coupled UV/Visb | KmGlu = 3.83 mM | |
OsGH3-8 | mass specc | Vmax = 21.1 min−1 | coupled UV/Visd | Vmax = 20.6 min−1 |
mass specc | KmIAA = 123 µM | coupled UV/Visd | KmIAA = 187 µM | |
mass specc | KmATP = 50 µM | coupled UV/Visd | KmATP = 36 µM | |
mass specc | KmAsp = 1.58 mM | coupled UV/Visd | KmAsp = 3.91 mM | |
AtGH3-17 | coupled UV/Visb | Vmax = 7.4 min−1 | ||
coupled UV/Visb | KmIAA = 58 µM | |||
coupled UV/Visb | KmATP = 138 µM | |||
coupled UV/Visb | KmGlu = 0.54 mM |