Lumped glycosyltransferase reactions group O:28ab: acetylquinovosaminyltransferase, ribofuranosyltransferase, galactosyltransferase
adprib_c + 3.0 udpgal_c + dtdpquip3nac_c + udcdpgalnac_c ⇌ dtdp_c + 3.0 udp_c + udcpdpgalnac_b1_3_gal3_b1_4_ribf_qui3nac_c