Lumped glycosyltransferase reactions group O:40: acetyl-galactosaminyltransferase, glucosyltransferase, mannosyltransferase, acetyl-glucosaminyltransferase
gdpmann_c + uacgam_c + udpg_c + udpacgal_c + udcdpgalnac_c ⇌ gdp_c + 3.0 udp_c + udcdpgalnac_b1_3_glc_b1_4_man_b1_2_glcnac_a1_3_galnac_c