Class A GlcNAc inositol phospholipid assembly protein antibody, GlcNAc PI synthesis protein antibody, GlcNAc-PI synthesis protein antibody, GPI3 antibody, MCAHS2 antibody, Phosphatidylinositol glycan anchor biosynthesis class A antibody, Phosphatidylinositol glycan biosynthesis class A protein antibody, Phosphatidylinositol N-acetylglucosaminyltransferase subunit A antibody, Phosphatidylinositol-glycan biosynthesis class A protein antibody, PIG A antibody, PIG-A antibody, Piga antibody, PIGA_HUMAN antibody