Anti-CPNE9 antibodies are used in the immunodetection of the protein copine family member 9. In humans, the canonical protein has a reported length of 553 amino acid residues and a mass of 61.9 kDa. Up to 2 different isoforms have been reported for this protein. It is reported to be expressed in melanocytes. A member of the Copine protein family, CPNE9 is a suspected calcium-dependent phospholipid-binding protein that may play a role in calcium-mediated intracellular processes (By similarity). Post-translational modifications have been described, including glycosylation. Synonyms for this target antigen include copine IX, copine family member IX, copine-like protein, and copine-9. CPNE9 gene orthologs have been reported in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species. Some CPNE9 antibodies may have been used in research and have associated citations. ELISA, Western Blot, Immunofluorescence, and Immunohistochemistry are common applications for these antibodies.