The molecule is a hydroxy-L-lysine that is L-lysine carrying a hydroxy substituent at position 4. It is a hydroxy-L-lysine, a non-proteinogenic L-alpha-amino acid and a 4-hydroxylysine. It is a conjugate base of a 4-hydroxy-L-lysine(1+).
(2S)-2,6-diamino-4-hydroxyhexanoic acid