Table 1.

Parameters extracted from fits of force–velocity curves of various terminases using Eq. 2

Terminase	V1, bp/s	V2, bp/s	Δx1, nm
WT	615 ± 120	187 ± 155	0.34 ± .12
Y46F	2,084 ± 1,330	102 ± 56	2.02 ± 0.62
K84A	392 ± 131	35 ± 21	0.43 ± 0.17