Table 1.

K_m (mM of ATChI) values of brain AChE versus assay temperature at different days of acclimation.

Assay	25 °C			37 °C
temp	0	7	15	0	7	15
10 °C	0.2 ± 0.007	0.15 ± 0.005	0.18 ± 0.006	0.2 ± 0.007	0.14 ± 0.005	0.14 ± 0.005
15 °C	0.16 ± 0.006	0.29 ± 0.010	0.18 ± 0.006	0.2 ± 0.007	0.26 ± 0.009	0.25 ± 0.009
20 °C	0.19 ± 0.007	0.21 ± 0.007	0.17 ± 0.006	0.22 ± 0.008	0.27 ± 0.009	0.23 ± 0.008
25 °C	0.22 ± 0.008	0.21 ± 0.007	0.28 ± 0.010	0.27 ± 0.009	0.19 ± 0.007	0.23 ± 0.008
30 °C	0.22 ± 0.008	0.27 ± 0.009	0.21 ± 0.007	0.2 ± 0.007	0.24 ± 0.008	0.23 ± 0.008
35 °C	0.29 ± 0.010	0.28 ± 0.010	0.18 ± 0.006	0.39 ± 0.014	0.29 ± 0.010	0.26 ± 0.009
40 °C	0.26 ± 0.009	0.28 ± 0.010	0.21 ± 0.007	0.29 ± 0.010	0.32 ± 0.011	0.28 ± 0.010