Predicted to enable several functions, including calcium-dependent phospholipid binding activity; calcium-dependent protein binding activity; and receptor tyrosine kinase binding activity. Predicted to be involved in several processes, including ERBB2 signaling pathway; cellular response to calcium ion; and positive regulation of cell migration. Predicted to be located in several cellular components, including focal adhesion; mitochondrion; and nuclear lumen. Predicted to be active in plasma membrane. Orthologous to human CPNE3 (copine 3). [provided by Alliance of Genome Resources, Apr 2022]