Predicted to enable cAMP binding activity. Predicted to be involved in several processes, including heart development; skeletal muscle tissue development; and striated muscle cell differentiation. Predicted to act upstream of or within regulation of heart rate and sinoatrial node cell development. Predicted to be located in membrane. Predicted to be active in sarcolemma. Orthologous to human POPDC2 (popeye domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]