Table 1.
Conductance, duration and occurrences of blocks to the αHL pore by various oligonucleotides
| Short-lived blocks | Long-lived blocks | ||||||
|---|---|---|---|---|---|---|---|
| gS (pS) |
tP (μs) |
(μs) |
f S (s-1) |
gL (pS) |
(s) |
f L (min-1) |
|
| Ctrl-1, NaCl (50 kHz→) |
110±35 | 75±25 (125±5) |
110±10 (113) |
16±1 | |||
| Ctrl-1, KCl (50 kHz→) |
100±24 | 75±25 (95±5) |
72±8 (70) |
15±1 | |||
| Ctrl-2, NaCl (50 kHz→) |
45±17 | 75±25 (130±10) |
360±40 (470) |
24±1 | |||
| Ctrl-2, KCl (50 kHz→) |
120±21 | 75±25 (123±10) |
490±60 (260) |
21±1 | |||
| TBA, NaCl | 47±19 | 75±25 | 510±100 | 7.9±0.5 | 390±16 | 0.35±0.14 | 6.6±0.9 |
| TBA, KCl | 24±13 | 75±25 | 300±60 | 2.0±0.3 | 480±18 | 15±2 | 3.3±0.2 |
Values in brackets were measured from recordings at 50 kHz filtering bandwidth and 200 ks-1 sampling rate. All other values were from recordings at 5 kHz filtering bandwidth and 20 ks-1 sampling rate. Errors of tP were represented by the half value of bin width in the histogram.