Ribulose 5-phosphate is one of the end-products of the pentose phosphate pathway. It is also an intermediate in the Calvin cycle.
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IUPAC name
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Systematic IUPAC name
[(2R,3R)-2,3,5-Trihydroxy-4-oxopentyl] dihydrogen phosphate | |
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3D model (JSmol)
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ChEBI | |
ChemSpider | |
MeSH | ribulose+5-phosphate |
PubChem CID
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Properties | |
C5H11O8P | |
Molar mass | 230.109 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is formed by phosphogluconate dehydrogenase, and it can be acted upon by phosphopentose isomerase and phosphopentose epimerase.
In plants, Ribulose 5-phosphate produced from the pentose-phosphate pathway is converted into Ribulose-1-5-bisphosphate by the enzyme phosphoribokinase.