barbed-end actin filament uncapping plus-end F-actin uncapping barbed end F-actin uncapping barbed-end F-actin uncapping GO:0051638 plus end F-actin uncapping biological_process The removal of capping protein from the barbed (or plus) end of actin filaments to free the ends for addition, exchange or removal of further actin subunits. barbed end actin filament uncapping plus-end actin filament uncapping plus end actin filament uncapping actin filament uncapping