Actin cortical patch component%3B interacts with the actin depolymerizing factor cofilin%3B inhibits elongation of aged ADP-actin filaments decorated with cofilin to maintain a high level of assembly-competent actin species%3B required to restrict cofilin localization to cortical patches%3B putative regulator of cytokinesis%3B contains WD repeats%3B protein increases in abundance and relocalizes from cytoplasm to plasma membrane upon DNA replication stress