Phosphatidylinositol glycan anchor biosynthesis class H MEDERSFSDI CGGRLALQRR YYSPSCREFC LSCPRLSLRS LTAVTCTVWL AAYGLFTLCE NSMILSAAIF ITLLGKESTT FIEMGKVKDI VINEAIYMQK VIYYLCILLK DPVEPHGISQ VVPVFQRQSL TLSPRLE