Glycosyltransferase III LPS core synthesis glucosyl 1 3 glucosyl 1 4 alanyl 2 galactosyl 1 3Hep1 heptosyl 1 3 heptosyl 1 5 kdo2 lipidA
udpg_c + galagalicore_kt_c ⇌ h_c + udp_c + ggalagalicore_kt_c