Predicted to enable calcium ion binding activity and mannosyl-oligosaccharide 1,2-alpha-mannosidase activity. Predicted to be involved in carbohydrate metabolic process. Predicted to be located in endoplasmic reticulum. Expressed in several structures, including body wall musculature; intestine; neurons; pharyngeal cell; and vulval muscle. Is an ortholog of human EDEM2 (ER degradation enhancing alpha-mannosidase like protein 2).