The Enzyme Database

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EC 4.1.2.9     
Accepted name: phosphoketolase
Reaction: D-xylulose 5-phosphate + phosphate = acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
Glossary: thiamine diphosphate = 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-diphosphoethyl)-4-methyl-1,3-thiazolium
Other name(s): D-xylulose-5-phosphate D-glyceraldehyde-3-phosphate-lyase (phosphate-acetylating)
Systematic name: D-xylulose-5-phosphate D-glyceraldehyde-3-phosphate-lyase (adding phosphate; acetyl-phosphate-forming)
Comments: A thiamine-diphosphate protein.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9031-75-8
References:
1.  Heath, E.C., Hurwitz, J., Horecker, B.L. and Ginsburg, A. Pentose fermentation by Lactobacillus plantarum. I. The cleavage of xylulose 5-phosphate by phosphoketolase. J. Biol. Chem. 231 (1958) 1009–1029. [PMID: 13539033]
2.  Schramm, M., Klybas, V. and Racker, E. Phospholytic cleavage of fructose-6-phosphate by fructose-6-phosphate phosphoketolase from Acetobacter xylinum. J. Biol. Chem. 233 (1958) 1283–1288. [PMID: 13610828]
[EC 4.1.2.9 created 1961]
 
 


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