To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2. Polymerization of 1.5 μM actin (10% AlexaFluor-488 labeled) visualized with TIRF microscopy for ten minutes (2.5 s acquisition time) in the presence of 1.25-10 nM TAMRA-VASP (not shown). Frame rate 30 fps. Multi-monoubiquitylation controls VASP-mediated actin dynamics Laura E. McCormick, Cristian Suarez, Laura E. Herring, Kevin S. Cannon, David R. Kovar, Nicholas G. Brown, and Stephanie L. Gupton J Cell Sci 2024. 137:None-None; doi: 10.1242/jcs.261527 Download Original Video