Table 1.
A comparison of the values of voltage-gating parameters of KAT1 and AKT1 channels in different expression contexts (see text).
| Channel | Mean value for voltage-gating parameters of the channel in | References | ||||||
| Animal cells | Yeast cells | Plant cells | ||||||
| Xenopus oocytes | insect cells (Sf9) | Green monkey cos cells | Tobacco mesophyll cells | Arabidopsis native cells | ||||
| AKT1 | Activation potential (mV) | No current(1) | -70/-80 (1) | No current(2) | -140(3) | -40 | -40(4) | (1) Ref [16] |
| Gating charge | No current(1) | 1.5(1) | No current(2) | n.r.(3),* | 1.3 ± 0.2 (n = 5) | n.r. (4),* |
(2) Erwan Michard, unpublished (3) Ref. [34] |
|
| Half-activation potential (mV) | No current(1) | -123(1) | No current(2) | n.r.(3),* | -95 ± 10 (n = 5) | n.r. (4),* |
(4) Ref. [40] (5) Ref. [35] |
|
| KAT1 | Activation potential (mV) | -80(5) | - 60/-80(6) | - 100(7) | - 120(3) | -120 | -120 (8) |
(6) Ref. [38] (7) Ref. [37] |
| Gating charge | 1.7 ± 0.2 (n = 5)(9) | n.r.(6),* | 1.6(7) | n.r.(3),* | 1.7 ± 0.1 (n = 4) | 1.6 ± 0.2 (n = 5)(10) |
(8) Ref. [46] (9) Ref. [36] |
|
| Half-activation potential (mV) | -138 ± 7 (n = 5)(9) | n.r. (6),* | -135(7) | n.r. (3),* | -164 ± 6 (n = 4) | -157 ± 7 (n = 5)(10) |
(10) Eric Hosy, unpublished * not reported by these authors |
|