Enables cytoskeletal protein binding activity. A structural constituent of muscle. Acts upstream of or within actin filament organization and heart development. Located in actin cytoskeleton. Is expressed in several structures, including branchial arch; central nervous system; genitourinary system; limb bud; and retina. Used to study arrhythmogenic right ventricular cardiomyopathy. Orthologous to human PDLIM3 (PDZ and LIM domain 3). [provided by Alliance of Genome Resources, Apr 2022]