Predicted to enable actin binding activity and myosin binding activity. Predicted to be involved in actin filament bundle assembly and angiogenesis. Predicted to act upstream of or within regulation of smooth muscle contraction. Located in actin cap and membrane. Is expressed in early conceptus; intestine smooth muscle circular layer; oocyte; and retina. Orthologous to human CALD1 (caldesmon 1). [provided by Alliance of Genome Resources, Apr 2022]