... (heteromeric neuronal nAChR) or, in the caseof the homomeric channels, another a subunit (– face)[6,7]. The a1, a2, a3, a4, a6, a7, a9anda10 subunits, as well as the nona subunits, c, d, e (which ... inhibited by AuIB but only the 40 pS event was sensitive to MII. It was concluded that the 25 pS event arises from the numerically dominanta3b4a5 subtype whereas the 40 pS events arise from ... andvaluable basis for structure-activity studies. The highselectivity of the a-conotoxins, together with the possibilityof obtaining detailed information on their three dimen-sional structures and the...