Lumped glycosyltransferase reactions group O:42: acetyl-glucosaminyltransferase, galactosyltransferase, rhamnosyltransferase, acetyl-mannosaminyltransferase
2.0 dtdprmn_c + udpgal_c + unaga_c + udpacman_c ⇌ 2.0 dtdp_c + 2.0 udp_c + udcdpglcnac_a1_3_gal_a1_2_rmn_a1_2_rmn_b1_2_mannac_c