May function as inhibitor of dietary triglyceride digestion. Lacks detectable lipase activity towards triglycerides, diglycerides, phosphatidylcholine, galactolipids or cholesterol esters (in vitro). Detected in pancreas (at protein level). Belongs to the AB hydrolase superfamily. Lipase family. Was originally (PubMed:3562437 and PubMed:2502543) thought to be the pancreatic lipase, but has been shown to lack lipase activity.