The molecule is a L-lysine derivative that is L-lysine substituted at position 3 by a hydroxy group (the 3S-erythro-stereoisomer). It is a L-lysine derivative and a non-proteinogenic L-alpha-amino acid. It is a conjugate base of a (3S)-3-hydroxy-L-lysine(1+).
(2S,3S)-2,6-diamino-3-hydroxyhexanoic acid