Predicted to enable calmodulin binding activity. Predicted to be involved in glycogen metabolic process. Predicted to act upstream of or within carbohydrate metabolic process. Predicted to be located in plasma membrane. Predicted to be part of phosphorylase kinase complex. Human ortholog(s) of this gene implicated in glycogen storage disease and glycogen storage disease IXd. Orthologous to human PHKA1 (phosphorylase kinase regulatory subunit alpha 1).