Figure 7.

Single channel recording of αS583C mutant in absence or with 0.2 mM Zn²⁺in the external solution. In the presence of Zn²⁺ channel activity (n · P _o) was 0.64 at −80 mV, 0.46 at −100 mV, 0.44 at −120 mV, and 0.35 at −150 mV.