The molecule is a non-proteinogenic L-alpha-amino acid that is the (3S)-hydroxy-derivative of L-asparagine. It is a L-asparagine derivative and a non-proteinogenic L-alpha-amino acid. It is a tautomer of a (3S)-3-hydroxy-L-asparagine zwitterion.
(2S,3S)-2,4-diamino-3-hydroxy-4-oxobutanoic acid