UDP-N-acetylbacillosamine transaminase; uridine diphospho-4-amino-2-acetamido-2,4,6-trideoxyglucose aminotransferase; UDP-4-amino-4,6-dideoxy-N-acetyl-alpha-D-glucosamine transaminase; UDP-2-acetamido-4-amino-2,4,6-trideoxyglucose transaminase; pglE • • •