Table 2

Effects of quinacrine on equilibrium binding of ACh

ConditionKdnHN
μM
Control1.90  ± 0.51.18  ± 0.207
10 μM Quinacrine1.78  ± 0.51.10  ± 0.134
60 μM Quinacrine1.35  ± 0.41.00  ± 0.216
60 μM Proadifen0.14  ± 0.060.82  ± 0.138
60 μM Proadifen + 10 μM quinacrine0.15  ± 0.061.00  ± 0.102

The apparent affinity constant (K d) and Hill coefficient (n H) for ACh binding under the specified condition. N corresponds to the number of experiments.