O antigen group O:55 repeat unit synthesis by glycosyltransferase reactions (lumped)
2.0 udpg_c + unaga_c + udpacgal_c + dtdpquip3nac_c ⇌ dtdp_c + 3.0 udp_c + udcdpglcnac_a1_3_galnac_a1_4_glc_b1_6_fuc3nac_b1_3_glc_c