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. Author manuscript; available in PMC: 2012 Jun 15.
Published in final edited form as: Int Rev Cytol. 2002;217:137–182. doi: 10.1016/s0074-7696(02)17014-8

FIG. 8.

FIG. 8

VASP bundles actin filaments and nucleates polymerization. (A) Fluorescently labeled filaments (top panel) mixed with VASP (lower panel) display thick bundles proportional to the amount of VASP added. (B) Polymerization of pyrene-actin(2 μM) is accelerated in the presence of VASP. Calcium-actin is more sensitive to VASP (inset, open squares) than magnesium-actin (inset closed squares). (Reproduced by Bearer et al., 2000, by permission.)