GalNAc5-diNAcBac-PP-undecaprenol beta-13-glucosyltransferase (EC 2.4.1.293 PglI) is an enzyme with system name UDP-alpha-D-glucose:(GalNAc-alpha-(1->4))4-GalNAc-alpha-(1->3)-diNAcBac-diphospho-tritransheptacis-undecaprenol 3-beta-D-glucosyltransferase.