Phosphatidylinositol glycan anchor biosynthesis class Q GLSSLWRLFR GKKWNVLRQR VDSCSYDLDQ LRLLVVAVQG LIHLLVDLIN SLPLYSLGLR LCRPYRLAAG VKFRVLRHEA GRPLRLLMQI NPLPYSRVVH TYRLPSCGCH PKHSWGALCR KLFLGELIYP WRQRGDKQD