Predicted to enable calcium ion binding activity and magnesium ion binding activity. Predicted to act upstream of or within integrin-mediated signaling pathway. Is expressed in several structures, including Kupffer's vesicle; axis; pronephric duct; sensory system; and solid lens vesicle. Human ortholog(s) of this gene implicated in epidermodysplasia verruciformis. Orthologous to human CIB1 (calcium and integrin binding 1).