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Assay Method Information |
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| | Activity Assay |
| Description: | HERG: The pre- and post-compound hERG current was evoked by a single voltage pulse consisting of a 20 s period holding at −70 mV, a 160 ms step to −60 mV (to obtain an estimate of leak), a 100 ms step back to −70 mV, a 1 s step to +40 mV, a 2 s step to −30 mV, and finally a 500 ms step to −70 mV. In between the pre- and post-compound voltage pulses, there was no clamping of the membrane potential. Currents were leak-subtracted based on the estimate of current evoked during the +10 mV step at the start of the voltage pulse protocol. The current signal was sampled at 2.5 k Hz. For each compound, the IC50 value was determined. |
| Affinity data for this assay | |
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