TABLE I

Summary of V1/2 Changes Associated with Zn2+ Application to Kv1.2 Mutations


n
Control V1/2
1 μM Zn2+ V1/2
ΔV1/2
  mV mV mV 
R294H −4.7 ± 0.5 −13.6 ± 0.6 −8.9 
A351H −7.9 ± 0.5 −11.3 ± 0.5 −3.4 
D352H −0.9 ± 0.6 −0.3 ± 0.6 +0.6 
R294H-D352H 7 10.8 ± 0.4 25.7 ± 0.6 14.9 
D352G-E353S −17.3 ± 0.5 −15.9 ± 0.6 +1.4 
R294H-D352G-E353S −1.7 ± 0.5 −1.6 ± 0.5 +0.1 
A351H-D352G-E353S −12.8 ± 0.5 −16.5 ± 0.5 −3.7 
R294H-A351H-D352G-E353S 9 2.2 ± 0.8 29.6 ± 0.6 27.4 

n
Control V1/2
1 μM Zn2+ V1/2
ΔV1/2
  mV mV mV 
R294H −4.7 ± 0.5 −13.6 ± 0.6 −8.9 
A351H −7.9 ± 0.5 −11.3 ± 0.5 −3.4 
D352H −0.9 ± 0.6 −0.3 ± 0.6 +0.6 
R294H-D352H 7 10.8 ± 0.4 25.7 ± 0.6 14.9 
D352G-E353S −17.3 ± 0.5 −15.9 ± 0.6 +1.4 
R294H-D352G-E353S −1.7 ± 0.5 −1.6 ± 0.5 +0.1 
A351H-D352G-E353S −12.8 ± 0.5 −16.5 ± 0.5 −3.7 
R294H-A351H-D352G-E353S 9 2.2 ± 0.8 29.6 ± 0.6 27.4 

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