The molecule is a dicarboxylic acid monoanion obtained by deprotonation of the carboxy groups and protonation of the amino group of erythro-4-hydroxy-L-glutamic acid. It has a role as a human metabolite. It is a dicarboxylic acid monoanion and a L-alpha-amino acid anion. It derives from a L-glutamate(1-). It is a conjugate base of an erythro-4-hydroxy-L-glutamic acid.
(2S,4R)-2-azaniumyl-4-hydroxypentanedioate