tokens: Rac causes uncapping of actin filaments ( F-actin ) at the plus-ends , through phosphatidylinositol 4,5 bisphosphate ( PIP2 ) , and eventually induces membrane ruffling .
folded_tokens: rac cause uncapping of actin filament ( f-actin ) at the plus-end , through phosphatidylinositol 4,5 bisphosphate ( pip2 ) , and eventually induce membrane ruffling .