UDP-N,N'-diacetylbacillosamine 2-epimerase (hydrolysing) (EC 3.2.1.184, UDP-Bac2Ac4Ac 2-epimerase, NeuC) is an enzyme with systematic name UDP-N,N'-diacetylbacillosamine hydrolase (2-epimerising).[1][2] This enzyme catalyses the following chemical reaction
This enzyme requires Mg2+. It is involved in biosynthesis of legionaminic acid.