IUBMB Enzyme Nomenclature


Accepted name: threonine synthase

Reaction: O-phospho-L-homoserine + H2O = L-threonine + phosphate

For diagram click here.

Other name(s): threonine synthetase; O-phospho-L-homoserine phospho-lyase (adding water)

Systematic name: O-phospho-L-homoserine phosphate-lyase (adding water; L-threonine-forming)

Comments: A pyridoxal-phosphate protein.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9023-97-6


1. Flavin, M. and Slaughter, C. Purification and properties of threonine synthetase of Neurospora. J. Biol. Chem. 235 (1960) 1103-1108. [PMID: 13823379]

[EC created 1961 as EC, transferred 2000 to EC]

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