Site-directed mutagenesis and single-channel patch-clamp recording were used to explore the molecular transitions that underlie inactivation in Shaker potassium channels expressed in Xenopus oocytes.

• 定点基因突变以及单通道夹被用于探测爪蟾卵细胞中摇动钾离子通道被去活化时的分子转移过程。