Predicted to enable N-acetylglucosaminylphosphatidylinositol deacetylase activity. Involved in GPI anchor biosynthetic process. Located in endoplasmic reticulum. Human ortholog(s) of this gene implicated in CHIME syndrome. Orthologous to human PIGL (phosphatidylinositol glycan anchor biosynthesis class L). [provided by Alliance of Genome Resources, Apr 2022]