Lumped glycosyltransferase reactions: mannosyltransferase, fucosyltransferase, acetyl-galactosamine transferase
2.0 gdpfuc_c + gdpmann_c + udpacgal_c + udcdpgalnac_c ⇌ 3.0 gdp_c + udp_c + udcdpgalnac_a1_3_fuc_a1_3_man_a1_6_galnac_a1_3_fuc_c