Phosphatidylinositol glycan anchor biosynthesis class H XSCREFCLSC PRLSLRSLTA VTCTVWLAAY GLFTLCENSM ILSAAIFITL LGLLGYLHFV KIDQETLLII DSLGIQMTSS YASGKESTTF IEMGKVKDIV INEAIYMSAK PRLDCLIEVY RSCQEILAHQ KATSTSP