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. 2009 Oct 23;5(10):e1000540. doi: 10.1371/journal.pcbi.1000540

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Mora et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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A. Probability distribution of step sizes using a approximately 26-fold periodic potential (see main text), showing that backward steps are on average smaller than forward steps, in agreement with experiment. Inset: Backward steps rely on low barriers, which occur preferentially where angular steps sizes (e.g. ) are small. B–E. Forward steps immediately following or preceding backward steps are found to be smaller on average ( in the experiment, in the model) than the mean of all forward steps ( in model and experiment, black dots). Crosses denote mean and standard deviation of backward and subsequent or previous forward steps, while black dots and horizontal lines give the mean () and standard deviations of all forward steps. Note change of scale between simulation and experiment. The experimental data are from [1].

Inline graphic — A. Probability distribution of step sizes using a approximately 26-fold periodic potential (see main text), showing that backward steps are on average smaller than forward steps, in agreement with experiment. Inset: Backward steps rely on low barriers, which occur preferentially where angular steps sizes (e.g. ) are small. B–E. Forward steps immediately following or preceding backward steps are found to be smaller on average ( in the experiment, in the model) than the mean of all forward steps ( in model and experiment, black dots). Crosses denote mean and standard deviation of backward and subsequent or previous forward steps, while black dots and horizontal lines give the mean () and standard deviations of all forward steps. Note change of scale between simulation and experiment. The experimental data are from [1].