Is predicted to encode a protein with the following domains: GlcNAc-PI de-N-acetylase; Putative deacetylase LmbE-like domain superfamily; N-acetylglucosaminyl phosphatidylinositol deacetylase-related; and N-acetylglucosaminyl-phosphatidylinositol de-N-acetylase. Is an ortholog of C. elegans pigl-1.