Table 2.
NLC characteristics (voltage at peak capacitance and charge density) of prestin mutants
| Prestin mutant | Average voltage at peak capacitance (Vpkc) ± SD (mV) |
Average charge density (fC/pF) |
Sample size (no. of cells) |
|---|---|---|---|
| WT | −69.8 ± 18.1 | 11 ± 4 | 31 |
| PrestinWH1 | NA | NA | 11 |
| PrestinWH2 | NA | NA | 17 |
| PrestinWH2 | 24.2 ± 48.0 | ND | 8 |
| A100S | −72.3 ± 7.7 | 10.7 ± 3.3 | 8 |
| A100G | 64.7 ± 13.8 | 6.4 ± 2.3 | 8 |
| A100V | NA | NA | 8 |
| A100L | NA | NA | 7 |
| A100W | NA | NA | 6 |
| A102S | −7.3 ± 5.9 | 7.5 ± 3.7 | 8 |
| A102G | −124.2 ± 11.6 | 10.4 ± 3.0 | 10 |
| A102L | NA | NA | 6 |
| A102V | NA | NA | 8 |
| A102W | NA | NA | 6 |
| L104V | −78.8 ± 7.9 | 5.8 ± 3.5 | 7 |
| L104I | 34.2 ± 3.2 | 5.1 ± 2.8 | 7 |
| L104W | NA | NA | 6 |
| L113W | 3.0 ± 11.6 | 3.9 ± 2.8 | 8 |
| F117W | −78.0 ± 10.6 | 11.6 ± 1.9 | 6 |
| A305V | −58.5 ± 8.2 | 11.6 ± 5.1 | 7 |
| A102G/L113W | −10.85 ± 19.2 | 4.0 ± 3.7 | 8 |
NA, Not applicable; ND, not determined.