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. 2019 Jul 20;117(5):867–879. doi: 10.1016/j.bpj.2019.07.021

Table 2.

Fitting Simultaneously to Velocity and Run-Length Data

Step Size s (bp) Interaction Range r (bp) χ2
2 5 4.69a
2 6 5.23

Compared to Table 1, the parameter space with similar fits to the data has been drastically reduced. The definition of similar is exactly the same as that used in Table 1.

a

This is the best fit among all the similar fits. The parameters for this fit along with errors are U0 = 0.69 ± 0.02, f = 0.19 ± 0.04, k = 0.6 ± 0.4. Clearly, each parameter can be robustly estimated.