| Assay Method Information | |
| | Inhibition Assay |
| Description: | All currents were recorded in whole-cell configuration using EPC-9 and EPC-10 amplifiers and Patchmaster software (HEKA) or similar. Patch pipettes had a resistance of 1.5-3 M and up to 75% of the series resistance was compensated. The standard pipette solution consisted of 140 mM CsAsp, 10 mM EGTA, 10 mM HEPES, 2.27 mM, 20 MgCl2, 1.91 mM CaCl2, and up to 0.3 mM Na2GTP, with pH adjusted to 7.2 with CsOH. In addition, a solution containing 145 mM CsCl, 10 mM HEPES, 10 mM EGTA, and up to 0.3 mM Na2GTP and 1 mM MgCl2 (pH 7.2 adjusted with CsOH) can be used. The standard bath solution contained 150 mM NaCl, 10 mM HEPES, 10 mM glucose, 4.5 mM KCl, 1 mM EGTA, 3 mM MgCl2, with pH adjusted to 7.4 with NaOH. In some instances, 2 mM CaCl2 was added in place of EGTA and the concentration of MgCl2 was reduced to 1 mM. |
| Affinity data for this assay | |
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