OPH Specific activityab
Demeton-S methyl Malathion VX
Wild-type OPH -0.03x10-5 (0.02x10-5) 0.14x10-5 (0.09x10-5) N/D
S308L.OPH 2.17x10-5 (0.37x10-5) 2.02x10-5 (0.10x10-5) 35.7x10-5 (5.0x10-5)
aμmoles hydrolyzed/min/OD600 of 1 (after correction to control cultures)
b average of three independent cultures (standard deviation)
N/D, not determined
Table 6: Activity of recombinant yeast cells against demeton-S methyl, malathion and VX.