Predicted to enable magnesium ion transmembrane transporter activity and sodium ion transmembrane transporter activity. Predicted to be involved in magnesium ion homeostasis and magnesium ion transport. Predicted to act upstream of or within enamel mineralization. Located in dendrite and neuronal cell body. Human ortholog(s) of this gene implicated in Jalili syndrome. Orthologous to human CNNM4 (cyclin and CBS domain divalent metal cation transport mediator 4). [provided by Alliance of Genome Resources, Apr 2022]