Predicted to enable protein phosphatase 1 binding activity and tropomyosin binding activity. Predicted to be involved in actin cytoskeleton organization and positive regulation of vasoconstriction. Predicted to be part of filamentous actin. Predicted to be active in I band; M band; and microtubule organizing center. Is expressed in heart. Orthologous to human SMTNL2 (smoothelin like 2). [provided by Alliance of Genome Resources, Apr 2022]