Predicted to enable actin binding activity and muscle alpha-actinin binding activity. Predicted to be involved in actin cytoskeleton organization; heart development; and muscle structure development. Predicted to be part of filamentous actin. Predicted to be active in Z disc; adherens junction; and stress fiber. Orthologous to human PRICKLE4 (prickle planar cell polarity protein 4). [provided by Alliance of Genome Resources, Apr 2022]