obsolete actin capping protein of dynactin complex https://github.com/geneontology/go-ontology/issues/31956 true OBSOLETE. A heterodimer consisting of alpha and beta subunits that binds to and caps the barbed ends of actin filaments, nucleates the polymerization of actin monomers but does not sever actin filaments, and which is a part of the dynactin complex. GO:0005870 This term was obsoleted because it is redundant with GO:0008290 (F-actin capping protein complex). Annotations can be migrated to the replacement term. cellular_component F-actin capping protein complex