Enables actin binding activity. Involved in several processes, including circulatory system development; smooth muscle cell chemotaxis; and substrate adhesion-dependent cell spreading. Acts upstream of or within cell adhesion. Located in several cellular components, including focal adhesion; lamellipodium; and nucleus. Is expressed in several structures, including alimentary system; genitourinary system; nervous system; respiratory system; and sensory organ. Orthologous to human PARVA (parvin alpha). [provided by Alliance of Genome Resources, Apr 2022]