| Assay Method Information | |
| | Binding Assay |
| Description: | The [3H]-methyllycaconitine binding assay is a modification of the method described by Davies et al. (Neuropharmacol. 1999, 38, 679-690). The P2 pellet is washed twice with binding buffer (50 mM Tris-HCl, 1 mM MgCl2, 120 mM NaCl, 5 mM KCl, 2 mM CaCl2, pH 7.4), and centrifuged (15 000×g, 4° C., 30 min). The P2 membranes are resuspended in binding buffer and incubated in a volume of 250 μl (amount of membrane protein 0.1-0.5 mg) in the presence of 1-5 nM [3H]-methyllycaconitine, 0.1% (w/v) BSA (bovine serum albumin) and various concentrations of the test substance at 21° C. for 2.5 h. The non-specific binding is determined by incubation in the presence of 1 μM □-bungarotoxin or 100 μM nicotine or 10 μM MLA (methyllycaconitine). |
| Affinity data for this assay | |
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