IUBMB Enzyme Nomenclature


Accepted name: 3-deoxy-7-phosphoheptulonate synthase

Reaction: phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate

For diagram click here and mechanism here.

Other name(s): 2-dehydro-3-deoxy-phosphoheptonate aldolase; 2-keto-3-deoxy-D-arabino-heptonic acid 7-phosphate synthetase; 3-deoxy-D-arabino-2-heptulosonic acid 7-phosphate synthetase; 3-deoxy-D-arabino-heptolosonate-7-phosphate synthetase; 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetase; 7-phospho-2-keto-3-deoxy-D-arabino-heptonate D-erythrose-4-phosphate lyase (pyruvate-phosphorylating); 7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate D-erythrose-4-phosphate lyase (pyruvate-phosphorylating); D-erythrose-4-phosphate-lyase; D-erythrose-4-phosphate-lyase (pyruvate-phosphorylating); DAH7-P synthase; DAHP synthase; DS-Co; DS-Mn; KDPH synthase; KDPH synthetase; deoxy-D-arabino-heptulosonate-7-phosphate synthetase; phospho-2-dehydro-3-deoxyheptonate aldolase; phospho-2-keto-3-deoxyheptanoate aldolase; phospho-2-keto-3-deoxyheptonate aldolase; phospho-2-keto-3-deoxyheptonic aldolase; phospho-2-oxo-3-deoxyheptonate aldolase

Systematic name: phosphoenolpyruvate:D-erythrose-4-phosphate C-(1-carboxyvinyl)transferase (phosphate-hydrolysing, 2-carboxy-2-oxoethyl-forming)

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9026-94-2


1. Srinivasan, P.R. and Sprinson, D.B. 2-Keto-3-deoxy-D-arabo-heptonic acid 7-phosphate synthetase. J. Biol. Chem. 234 (1959) 716-722.

2. Jossek, R., Bongaerts, J. and Sprenger, G.A. Characterization of a new feedback-resistant 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase AroF of Escherichia coli. FEMS Microbiol. Lett. 202 (2001) 145-148. [PMID: 11506923]

3. Schneider, T.R., Hartmann, M. and Braus, G.H. Crystallization and preliminary X-ray analysis of D-arabino-heptulosonate-7-phosphate synthase (tyrosine inhibitable) from Saccharomyces cerevisiae. Acta Crystallogr. D Biol. Crystallogr. 55 (1999) 1586-1588. [PMID: 10489454]

[EC created 1965 as EC, modified 1976, transferred 2002 to EC]

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