The molecule is an L-lysine derivative having a psicosyl group attached to the side-chain amino group. It is a L-lysine derivative and a non-proteinogenic L-alpha-amino acid. It derives from a D-psicose. It is a conjugate base of a psicosyllysine(1+).
(2S)-2-amino-6-[[(3R,4R,5R)-3,4,5,6-tetrahydroxy-2-oxohexyl]amino]hexanoic acid