[Term] id: GO:0008290 name: F-actin capping protein complex namespace: cellular_component def: "A heterodimer consisting of alpha and beta subunits that binds to and caps the barbed ends of actin filaments, thereby regulating the polymerization of actin monomers but not severing actin filaments." [GOC:go_curators, ISBN:0198599560] is_a: GO:0032991 ! protein-containing complex