Table 1.

Summary of time constants of loop-gate closure at −70 mV for Cx32*N2E E109C hemichannels

Amount of Cd2+ Initial In Cd2+ 
 τ1 (s) τ2 (s) τ1 (s) τ2 (s) 
10 µM Cd2+ (n = 12) 9.1 ± 1.3 0.68 ± 0.08 6.5 ± 1.3 0.60 ± 0.1 
20 µM Cd2+ (n = 6) 7.9 ± 1.6 0.70 ± 0.05 5.4 ± 1.3 0.65 ± 0.1 
40 µM Cd2+ (n = 2) 9.0 ± 2.3 0.7 ± 0.1 5.1 ± 0.4 0.7 ± 0.04 
60 µM Cd2+ (n = 6) 9.0 ± 1.6 0.7 ± 0.4 4.4 ± 0.8 0.6 ± 0.14 
Amount of Cd2+ Initial In Cd2+ 
 τ1 (s) τ2 (s) τ1 (s) τ2 (s) 
10 µM Cd2+ (n = 12) 9.1 ± 1.3 0.68 ± 0.08 6.5 ± 1.3 0.60 ± 0.1 
20 µM Cd2+ (n = 6) 7.9 ± 1.6 0.70 ± 0.05 5.4 ± 1.3 0.65 ± 0.1 
40 µM Cd2+ (n = 2) 9.0 ± 2.3 0.7 ± 0.1 5.1 ± 0.4 0.7 ± 0.04 
60 µM Cd2+ (n = 6) 9.0 ± 1.6 0.7 ± 0.4 4.4 ± 0.8 0.6 ± 0.14 

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