Figure 1.

Model definition. (a) Summary of key model parameters including the rates of motor attachment k_A and detachment k_D, and the bare stepping rate k_M. See text for details. (b) Plan view showing the filaments oriented with their light-shaded [+]-ends towards the center. The arrows denote the external pressure acting on the circular elastic wall. (c) Side view of the same, showing the confining walls perpendicular to the z-axis.