V50 and slope factor values from single Boltzmann fits of the GV relations
| Channel | n | pH 6 | pH 7 | pH 8 | |||
| V50 | s | V50 | s | V50 | s | ||
| mV | mV | mV | mV | mV | mV | ||
| Kv12.2 | |||||||
| WT | 4 | 5 ± 1 | 20.8 ± 0.5 | −13 ± 3 | 23.4 ± 0.6 | −29 ± 3 | 24 ± 1 |
| Kv12.1 | |||||||
| WTa | 6 | −35 ± 2 | 11 ± 1 | −65 ± 2 | 11 ± 1 | −76 ± 2 | 12 ± 1 |
| D261A | 4 | −5 ± 2 | 10 ± 1 | −37 ± 2 | 10.3 ± 0.5 | −46 ± 1 | 10.2 ± 0.4 |
| D261E | 6 | −56 ± 2 | 12.3 ± 0.3 | −109 ± 1 | 11.2 ± 0.5 | −135 ± 2 | 10.2 ± 0.5 |
| E265A | 4 | −28.7 ± 0.9 | 9.6 ± 0.4 | −39 ± 1 | 9.6 ± 0.2 | −42 ± 1 | 10.4 ± 0.2 |
| E265D | 7 | −52 ± 1 | 11.3 ± 0.3 | −72 ± 1 | 12.7 ± 0.8 | −89 ± 2 | 13.2 ± 0.7 |
| D314A | 8 | 44 ± 2 | 16.8 ± 0.9 | 53 ± 2 | 15.1 ± 0.7 | 45 ± 2 | 14.6 ± 0.9 |
| D314E | 8 | −70 ± 2 | 13 ± 1 | −69 ± 2 | 14 ± 1 | −64 ± 2 | 11.4 ± 0.9 |
| H328A | 8 | −42 ± 3 | 13.9 ± 0.8 | −62 ± 1 | 12.8 ± 0.6 | −78 ± 0.5 | 12.6 ± 0.3 |
| H328R | 6 | 0 ± 1 | 16 ± 1 | −4 ± 1 | 14.2 ± 0.6 | −6 ± 1 | 14.4 ± 0.6 |
| H328W | 6 | −18 ± 2 | 14.2 ± 0.8 | −32 ± 3 | 15.4 ± 0.4 | −37 ± 2 | 14.7 ± 0.5 |
| H328R D261A | 7 | 14 ± 1 | 12.0 ± 0.3 | −11 ± 3 | 16.5 ± 0.9 | −20 ± 3 | 17.8 ± 0.8 |
| Kv10.2 | |||||||
| WT | 11 | −24 ± 2 | 22 ± 1 | −71 ± 3 | 18.0 ± 0.3 | −95 ± 3 | 15.8 ± 0.2 |
| D251N | 10 | 14 ± 2 | 21.5 ± 0.4 | −32 ± 2 | 20.8 ± 0.4 | −57 ± 3 | 21.9 ± 0.5 |
| D255C | 4 | −9 ± 7 | 34 ± 2 | −25 ± 8 | 38 ± 3 | −31 ± 6 | 38 ± 3 |
| D304N | 8 | −23 ± 2 | 18.0 ± 0.7 | −35 ± 2 | 17.1 ± 0.5 | −37 ± 2 | 17.5 ± 0.7 |
| D304E | 9 | −1 ± 3 | 28 ± 1 | −38 ± 2 | 20.1 ± 0.4 | −75 ± 2 | 13.7 ± 0.3 |
| Kv11.1 | |||||||
| WT | 5 | −16.4 ± 0.8 | 7.1 ± 0.3 | −26.9 ± 0.5 | 7.7 ± 0.3 | −28.8 ± 0.4 | 8.2 ± 0.5 |
| D456C 1 mM Ca2+ | 9 | 34 ± 2 | 13.1 ± 0.6 | 12 ± 1 | 13.5 ± 0.8 | 1 ± 1 | 15.9 ± 0.7 |
| D460C 1 mM Ca2+ | 9 | 24 ± 1 | 10.7 ± 0.4 | 10 ± 1 | 12.5 ± 0.4 | 4 ± 1 | 13.0 ± 0.7 |
| D509C 1 mM Ca2+ | 6 | 25 ± 2 | 12.6 ± 0.3 | 17 ± 2 | 12.9 ± 0.3 | 11 ± 1 | 13.7 ± 0.3 |
| WT 50 µM Ca2+b | 7 | −7 ± 1 | 14.6 ± 0.9 | ND | ND | −54 ± 1 | 9.2 ± 0.9 |
| D456C 50 µM Ca2+b | 6 | 37 ± 1 | 11.5 ± 0.4 | ND | ND | 4 ± 2 | 14.7 ± 0.7 |
| D460C 50 µM Ca2+b | 4 | 26 ± 3 | 10.6 ± 0.3 | ND | ND | 6 ± 4 | 19 ± 1 |
| D509C 50 µM Ca2+b | 6 | 25 ± 3 | 15.3 ± 0.7 | ND | ND | 6 ± 4 | 16.1 ± 0.3 |
| Channel | n | pH 6 | pH 7 | pH 8 | |||
| V50 | s | V50 | s | V50 | s | ||
| mV | mV | mV | mV | mV | mV | ||
| Kv12.2 | |||||||
| WT | 4 | 5 ± 1 | 20.8 ± 0.5 | −13 ± 3 | 23.4 ± 0.6 | −29 ± 3 | 24 ± 1 |
| Kv12.1 | |||||||
| WTa | 6 | −35 ± 2 | 11 ± 1 | −65 ± 2 | 11 ± 1 | −76 ± 2 | 12 ± 1 |
| D261A | 4 | −5 ± 2 | 10 ± 1 | −37 ± 2 | 10.3 ± 0.5 | −46 ± 1 | 10.2 ± 0.4 |
| D261E | 6 | −56 ± 2 | 12.3 ± 0.3 | −109 ± 1 | 11.2 ± 0.5 | −135 ± 2 | 10.2 ± 0.5 |
| E265A | 4 | −28.7 ± 0.9 | 9.6 ± 0.4 | −39 ± 1 | 9.6 ± 0.2 | −42 ± 1 | 10.4 ± 0.2 |
| E265D | 7 | −52 ± 1 | 11.3 ± 0.3 | −72 ± 1 | 12.7 ± 0.8 | −89 ± 2 | 13.2 ± 0.7 |
| D314A | 8 | 44 ± 2 | 16.8 ± 0.9 | 53 ± 2 | 15.1 ± 0.7 | 45 ± 2 | 14.6 ± 0.9 |
| D314E | 8 | −70 ± 2 | 13 ± 1 | −69 ± 2 | 14 ± 1 | −64 ± 2 | 11.4 ± 0.9 |
| H328A | 8 | −42 ± 3 | 13.9 ± 0.8 | −62 ± 1 | 12.8 ± 0.6 | −78 ± 0.5 | 12.6 ± 0.3 |
| H328R | 6 | 0 ± 1 | 16 ± 1 | −4 ± 1 | 14.2 ± 0.6 | −6 ± 1 | 14.4 ± 0.6 |
| H328W | 6 | −18 ± 2 | 14.2 ± 0.8 | −32 ± 3 | 15.4 ± 0.4 | −37 ± 2 | 14.7 ± 0.5 |
| H328R D261A | 7 | 14 ± 1 | 12.0 ± 0.3 | −11 ± 3 | 16.5 ± 0.9 | −20 ± 3 | 17.8 ± 0.8 |
| Kv10.2 | |||||||
| WT | 11 | −24 ± 2 | 22 ± 1 | −71 ± 3 | 18.0 ± 0.3 | −95 ± 3 | 15.8 ± 0.2 |
| D251N | 10 | 14 ± 2 | 21.5 ± 0.4 | −32 ± 2 | 20.8 ± 0.4 | −57 ± 3 | 21.9 ± 0.5 |
| D255C | 4 | −9 ± 7 | 34 ± 2 | −25 ± 8 | 38 ± 3 | −31 ± 6 | 38 ± 3 |
| D304N | 8 | −23 ± 2 | 18.0 ± 0.7 | −35 ± 2 | 17.1 ± 0.5 | −37 ± 2 | 17.5 ± 0.7 |
| D304E | 9 | −1 ± 3 | 28 ± 1 | −38 ± 2 | 20.1 ± 0.4 | −75 ± 2 | 13.7 ± 0.3 |
| Kv11.1 | |||||||
| WT | 5 | −16.4 ± 0.8 | 7.1 ± 0.3 | −26.9 ± 0.5 | 7.7 ± 0.3 | −28.8 ± 0.4 | 8.2 ± 0.5 |
| D456C 1 mM Ca2+ | 9 | 34 ± 2 | 13.1 ± 0.6 | 12 ± 1 | 13.5 ± 0.8 | 1 ± 1 | 15.9 ± 0.7 |
| D460C 1 mM Ca2+ | 9 | 24 ± 1 | 10.7 ± 0.4 | 10 ± 1 | 12.5 ± 0.4 | 4 ± 1 | 13.0 ± 0.7 |
| D509C 1 mM Ca2+ | 6 | 25 ± 2 | 12.6 ± 0.3 | 17 ± 2 | 12.9 ± 0.3 | 11 ± 1 | 13.7 ± 0.3 |
| WT 50 µM Ca2+b | 7 | −7 ± 1 | 14.6 ± 0.9 | ND | ND | −54 ± 1 | 9.2 ± 0.9 |
| D456C 50 µM Ca2+b | 6 | 37 ± 1 | 11.5 ± 0.4 | ND | ND | 4 ± 2 | 14.7 ± 0.7 |
| D460C 50 µM Ca2+b | 4 | 26 ± 3 | 10.6 ± 0.3 | ND | ND | 6 ± 4 | 19 ± 1 |
| D509C 50 µM Ca2+b | 6 | 25 ± 3 | 15.3 ± 0.7 | ND | ND | 6 ± 4 | 16.1 ± 0.3 |