Predicted to enable phosphatidylinositol N-acetylglucosaminyltransferase activity. Predicted to be involved in GPI anchor biosynthetic process. Predicted to be integral component of membrane. Predicted to be part of glycosylphosphatidylinositol-N-acetylglucosaminyltransferase (GPI-GnT) complex. Orthologous to human PIGH (phosphatidylinositol glycan anchor biosynthesis class H). [provided by Alliance of Genome Resources, Apr 2022]