Probable calcium-dependent phospholipid-binding protein that may play a role in calcium-mediated intracellular processes (By similarity). Plays a role in dendrite formation by melanocytes (PubMed:23999003). Binds 3 Ca(2+) ions per C2 domain. Expressed in the brain, heart, stomach, spleen, lymph node and testis (PubMed:12949241). Expressed in melanocytes (PubMed:23999003). Belongs to the copine family.