TABLE 2.
Properties of Kir6.2 wild type, V59G, V59A, and ΔN10 channels formed with SUR1
Experiments in inside/outside patches –Mg2+; number of experiments are in parentheses.
|
Kir6.2
|
POa
|
GBC (1 μm)
|
PIP2 (10 μm)
IPIP2/Icontrol
|
Neomycin
|
||
|---|---|---|---|---|---|---|
| 30 μm | 1000 μm | |||||
| % Inhibition | % | % Inhibition | ||||
| Wild type | 0.32 ± 0.10 (5)b | 71 ± 10 (4) | 900 ± 390 (12) | 57 ± 5 (9) | 96 ± 2 (7) | |
| 0.53 ± 0.02 (8)c | ||||||
| V59G | 0.83 ± 0.01 (8)c | 0 (10) | 0 (4) | 3 ± 2 (5) | 16 ± 2 (5) | |
| V59A | 0.86 ± 0.01 (4) | 15 ± 8 (7) | 5 ± 3 (5) | 17 ± 6 (6) | 50 ± 11 (6) | |
| ΔN10 | 0.61 ± 0.08 (4) (ΔN9)b | 9 ± 5 (12) | 270 ± 40 (4) | 17 ± 4 (10) | 60 ± 8 (7) | |