Predicted to enable cation channel activity. Predicted to act upstream of or within ion transport. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. Is expressed in medulla oblongata basal plate and thymus primordium. Orthologous to human CALHM5 (calcium homeostasis modulator family member 5). [provided by Alliance of Genome Resources, Apr 2022]