The molecule is an amino acid zwitterion of N(2)-acetyl-L-ornithine arising from migration of a proton from the carboxy group to the epsilon-amino group; major species at pH 7.3. It has a role as an Escherichia coli metabolite and a human metabolite. It is a tautomer of a N(2)-acetyl-L-ornithine.
(2S)-2-acetamido-5-azaniumylpentanoate