Lumped glycosyltransferase reactions group O:57: rhamnosyltransferase, glucosyltransferase, acetyl-glucosaminyltransferase
2.0 dtdprmn_c + uacgam_c + udpg_c + udcdpgalnac_c ⇌ 2.0 dtdp_c + 2.0 udp_c + udcdpgalnac_a1_3_glc_a1_4_rmn_a1_2_rmn_b1_2_glcnac_c