Table 1.
Physical properties of molecules assayed for permeability through wild-type and mutant Cx26 channels
| Molecule | Charge | Size, Da |
|---|---|---|
| Potassium | +1 | 39 |
| Tetraethylammonium | +1 | 130 |
| Ethidium bromide | +1 | 394 |
| cAMP | −1 | 329 |
| Lucifer yellow | −2 | 457 |
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