we measured the rate of elongation at the pointed filament end with increasing concentrations of g-actin [ j ( c ) function ] using villin-capped actin filaments of very small ( actin/villin = 3 , va3 ) and relatively large size ( actin/villin = 18 , va18 ) as nuclei for elongation .
C0025979
actin filaments
C0001271
actin