The molecule is a L-histidine derivative and a non-proteinogenic L-alpha-amino acid. It has a role as a Saccharomyces cerevisiae metabolite. It is a tautomer of a 2-(3-amino-3-carboxypropyl)-L-histidine dizwitterion.
2-amino-4-[5-[(2S)-2-amino-2-carboxyethyl]-1H-imidazol-2-yl]butanoic acid