Lumped glycosyltransferase reactions group O:6 14: mannosyltransferase, rhamnosyltransferase, galactosyltransferase
3.0 gdpmann_c + unaga_c ⇌ 3.0 gdp_c + udcpdglcnac_b1_3_man_a1_2_man_a1_2_man_c