UDP-4-amino-4-deoxy-L-arabinose aminotransferase  UDP-4-amino-4-deoxy-L-arabinose aminotransferase (, "UDP-(beta-L-threo-pentapyranosyl-4"-ulose diphosphate) aminotransferase", "UDP-4-amino-4-deoxy-L-arabinose---oxoglutarate aminotransferase", "UDP-Ara4O aminotransferase", "UDP-L-Ara4N transaminase") is an enzyme with systematic name "UDP-4-amino-4-deoxy-beta-L-arabinose:2-oxoglutarate aminotransferase". This enzyme catalyses the following chemical reaction  This protein is a pyridoxal 5'-phosphate enzyme.