A single charge in the actin binding domain of fascin can independently tune the linear and non-linear response of an actin bundle networkM. Maier, K. W. Müller, C. Heussinger, S. Köhler, W. A. Wall, A. R. Bausch and O. LielegEur. Phys. J. E, 38 5 (2015) 50DOI: https://doi.org/10.1140/epje/i2015-15050-3