Table 2. Fitting Parameters for DHFRNtagO2.
parameter | description | type | valuea |
---|---|---|---|
Vbias | applied bias voltage | independent | 40 to 120 mV |
Ntag | tag charge number | independent | 4 to 9 |
Nbody | body charge number | fixed | –13 |
Neo | equivalent osmotic charge number | dependent | 15.5 ± 0.9 |
L | nanopore length | fixed | 14 nm |
Δxtrans | distance to trans barrierb | fixed | 3.5 nm |
Δxcis | distance to cis barrierb | dependent | 5.21 ± 1.32 nm |
ΔVtagtrans | change of ΔEestrans with tag charge | dependent | 0.860 ± 0.078 kBT/e |
ΔVtagcis | change of ΔEescis with tag charge | dependent | 0.218 ± 0.167 kBT/e |
ln(kefftrans/Hz) | effective attempt rate for the trans barrier | dependent | –3.44 ± 1.24 (3.21 × 10–2 Hz) |
ln(keffcis/Hz) | effective attempt rate for the cis barrier | dependent | 7.39 ± 1.02 (1.62 × 103 Hz) |
Errors are confidence intervals for one standard deviation.
Relative to the energetic minimum inside the pore.