The molecule is an imidazolium ion formed via cyclo-dimerisation of L-lysine and methylglyoxal. It has a role as an epitope. It is an imidazolium ion, a L-lysine derivative and a non-proteinogenic L-alpha-amino acid.
(2S)-2-amino-6-[3-[(5S)-5-amino-5-carboxypentyl]-5-methylimidazol-3-ium-1-yl]hexanoic acid