Single-channel parameters of Kir6.2-G334D/SUR1 channels in nucleotide-free solution and in the presence of 1 mM MgADP
| Solution | PO | τO (ms) | τO,COR | τB1 | aB1 | τB2 | aB2 | τB3 | aB2 | τB |
| ms | ms | ms | ms | ms | ms | |||||
| Control | 0.36 ± 0.03 | 2.4 ± 0.7 | 1.6 ± 0.1 | 53 ± 15 | 0.66 ± 0.06 | 11 ± 6 | 0.23 ± 0.06 | 0.9 ± 0.5 | 0.11 ± 0.01 | 37 ± 9 |
| 1 mM MgADP | 0.83 ± 0.01 | 2.7 ± 0.1 | 1.8 ± 0.1 | 246 ± 57 | 1 | np | np | np | np | 246 ± 57 |
| Solution | PO | τO (ms) | τO,COR | τB1 | aB1 | τB2 | aB2 | τB3 | aB2 | τB |
| ms | ms | ms | ms | ms | ms | |||||
| Control | 0.36 ± 0.03 | 2.4 ± 0.7 | 1.6 ± 0.1 | 53 ± 15 | 0.66 ± 0.06 | 11 ± 6 | 0.23 ± 0.06 | 0.9 ± 0.5 | 0.11 ± 0.01 | 37 ± 9 |
| 1 mM MgADP | 0.83 ± 0.01 | 2.7 ± 0.1 | 1.8 ± 0.1 | 246 ± 57 | 1 | np | np | np | np | 246 ± 57 |
PO, single-channel open probability; τO, mean open time; τO,COR, mean open time corrected for missed events (Proks et al., 2001); τBi and aBi, burst durations and their corresponding amplitudes in the distribution of burst lengths (i = 1–3); τB, mean burst duration; np, not present in the distribution. Data are expressed as mean ± SEM (n = 3 each).