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ChEBI: 3-hydroxy-L-glutamic acid is an amino dicarboxylic acid that is L-glutamic acid substituted by a hydroxy group at position 3. It is a secondary alcohol, a non-proteinogenic L-alpha-amino acid, an amino dicarboxylic acid and a hydroxy-L-glutamic acid. It is a conjugate acid of a 3-hydroxy-L-glutamate(1-).

Crystallise the acid from water. [Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 1 pp 211-213, Vol 3 p 2422 1961.]