Provided below are ELISA kits targeting phosphatidylinositol glycan anchor biosynthesis class Z, a human protein encoded by PIGZ. This protein is 579 amino acids long, with a mass of 63.5 kDa, and is a member of the Glycosyltransferase 22 family, PIGZ subfamily. It is also an enzyme classified as a(n) transferase (broad). Other alias names for this protein include: GPI mannosyltransferase 4, GPI mannosyltransferase IV, SMP3 mannosyltransferase, phosphatidylinositol glycan class Z, GPI-MT-IV, PIG-Z, and SMP3.