2.4.1.149 Glycosaminoglycan biosynthesis - keratan sulfate - 00533 - 2.4.1.149 Glycosphingolipid biosynthesis - lacto and neolacto series - 00601 - 2.4.1.149 i antigen and I antigen biosynthesis - - PWY-7837 2.4.1.149 Metabolic pathways - 01100 - 2.4.1.149 neolacto-series glycosphingolipids biosynthesis - - PWY-7841 2.4.1.149 terminal O-glycans residues modification (via type 2 precursor disaccharide) - - PWY-7434