REACTOME_TERMINATION_OF_O_GLYCAN_BIOSYNTHESIS https://www.gsea-msigdb.org/gsea/msigdb/human/geneset/REACTOME_TERMINATION_OF_O_GLYCAN_BIOSYNTHESIS MUC1 MUC12 MUC13 MUC15 MUC16 MUC17 MUC20 MUC21 MUC3A MUC4 MUC5AC MUC5B MUC6 MUC7 MUCL1 ST3GAL1 ST3GAL2 ST3GAL3 ST3GAL4 ST6GAL1 ST6GALNAC2 ST6GALNAC3 ST6GALNAC4