Predicted to enable calcium ion binding activity and mannosyl-oligosaccharide 1,2-alpha-mannosidase activity. Involved in positive regulation of retrograde protein transport, ER to cytosol. Predicted to be located in endoplasmic reticulum. Orthologous to human EDEM2 (ER degradation enhancing alpha-mannosidase like protein 2). [provided by Alliance of Genome Resources, Apr 2022]