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 | 9 | −4.7 ± 0.5 | −13.6 ± 0.6 | −8.9 |
| A351H | 8 | −7.9 ± 0.5 | −11.3 ± 0.5 | −3.4 |
| D352H | 7 | −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 | 7 | −17.3 ± 0.5 | −15.9 ± 0.6 | +1.4 |
| R294H-D352G-E353S | 7 | −1.7 ± 0.5 | −1.6 ± 0.5 | +0.1 |
| A351H-D352G-E353S | 7 | −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 | 9 | −4.7 ± 0.5 | −13.6 ± 0.6 | −8.9 |
| A351H | 8 | −7.9 ± 0.5 | −11.3 ± 0.5 | −3.4 |
| D352H | 7 | −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 | 7 | −17.3 ± 0.5 | −15.9 ± 0.6 | +1.4 |
| R294H-D352G-E353S | 7 | −1.7 ± 0.5 | −1.6 ± 0.5 | +0.1 |
| A351H-D352G-E353S | 7 | −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 |