The Enzyme Database

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Accepted name: ribose-5-phosphate isomerase
Reaction: D-ribose 5-phosphate = D-ribulose 5-phosphate
For diagram of the early stages of the pentose-phosphate pathway, click here and for diagram of the Calvin cycle, click here
Other name(s): phosphopentosisomerase; phosphoriboisomerase; ribose phosphate isomerase; 5-phosphoribose isomerase; D-ribose 5-phosphate isomerase; D-ribose-5-phosphate ketol-isomerase
Systematic name: D-ribose-5-phosphate aldose-ketose-isomerase
Comments: Also acts on D-ribose 5-diphosphate and D-ribose 5-triphosphate.
Links to other databases: BRENDA, EXPASY, Gene, GTD, KEGG, MetaCyc, PDB, CAS registry number: 9023-83-0
1.  Dickens, F. and Williamson, D.H. Pentose phosphate isomerase and epimerase from animal tissues. Biochem. J. 64 (1956) 567–578. [PMID: 13373810]
2.  Horecker, B.L., Smyrniotis, P.Z. and Seegmiller, J.E. The enzymatic conversion of 6-phosphogluconate to ribulose-5-phosphate and ribose-5-phosphate. J. Biol. Chem. 193 (1951) 383–396. [PMID: 14907726]
3.  Hurwitz, J., Weissbach, A., Horecker, B.L. and Smyrniotis, P.Z. Spinach phosphoribulokinase. J. Biol. Chem. 218 (1956) 769–783. [PMID: 13295229]
[EC created 1961]

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