Synonyms:AF3P21, SPIN90 Background:Has an important role in stress fiber formation induced by active diaphanous protein homolog 1(DRF1). Induces microspike formation, in vivo(By similarity). In vitro, stimulates N-WASP-induced ARP2/3 complex activation in the absence of CDC42(By similarity). May play an important role in the maintenance of sarcomeres and/or in the assembly of myofibrils into sarcomeres. Implicated in regulation of actin polymerization and cell adhesion. Plays a role in angiogenesis.