Table 1. Voltage-gated ion channel maximal conductances and permeabilities.
| Gbar (S/m2) | Soma | Prox dend | Mid dend | Dist dend | Spine |
|---|---|---|---|---|---|
| NaF | 45,000 | 4420 | 4420 | 0 | 0 |
| Kir | 11.9 | 5.95 | 5.95 | 5.95 | 0 |
| KaF | 500 | 500 | 72 | 72 | 0 |
| KaS | 70 | 3 | 3 | 3 | 0 |
| Krp | 10 | 1 | 1 | 1 | 0 |
| SK | 3 | 0.5 | 0.5 | 0.5 | 0.5 |
| BK | 5 | 2 | 2 | 2 | 0 |
| Pbar (cm/s) | |||||
| CaL1.2 | 1.5e-7 | 1.5e-7 | 1.5e-7 | 1.5e-7 | 0.915e-7 |
| CaL1.3 | 0.5e-7 | 0.25e-7 | 0.25e-7 | 0.25e-7 | 0.1525e-7 |
| CaN | 15e-7 | 0 | 0 | 0 | 0 |
| CaR | 3e-7 | 30e-7 | 30e-7 | 30e-7 | 18.67e-8 |
| CaT (3.2) | 0 | 1.2e-7 | 2e-7 | 2e-7 | 1.22e-7 |
| CaT (3.3) | 0 | 0 | 5e-10 | 5e-10 | 3.42e-10 |
Gbar = maximal conductance (S/m2); Pbar = maximal calcium permeability. Prox dend = proximal dendrites (0 to 42 μm from soma); mid dend = middle dendrites (42–60 μm from soma); dist dend = distal dendrites (60–224 μm from soma).