Predicted to enable glucosaminyl-phosphatidylinositol O-acyltransferase activity. Predicted to be involved in GPI anchor biosynthetic process and protein localization to plasma membrane. Predicted to be located in endoplasmic reticulum and membrane. Predicted to be integral component of membrane. Orthologous to human PIGW (phosphatidylinositol glycan anchor biosynthesis class W). [provided by Alliance of Genome Resources, Apr 2022]