. "The binding of a protein or protein complex to the barbed (or plus) end of an actin filament, thus preventing the addition, exchange or removal of further actin subunits." . . "barbed-end actin capping activity" . "barbed-end actin filament capping" . "barbed-end F-actin capping activity" . "plus-end actin filament capping activity" . "plus-end F-actin capping activity" . . .