Enables calcium ion binding activity and identical protein binding activity. Predicted to be involved in cell adhesion. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. Is expressed in metanephros; nervous system; and retina. Orthologous to human PCDHB5 (protocadherin beta 5). [provided by Alliance of Genome Resources, Apr 2022]