Ribulose 1,5-bisphosphate
Ribulose 1,5-bisphosphate (RuBP) is an organic substance that is involved in photosynthesis, notably as the principal CO2 acceptor in plants.: 2 It is a colourless anion, a double phosphate ester of the ketopentose (ketone-containing sugar with five carbon atoms) called ribulose. Salts of RuBP can be isolated, but its crucial biological function happens in solution. RuBP occurs not only in plants but in all domains of life, including Archaea, Bacteria, and Eukarya.
The acid form of the RuBP anion | |
Names | |
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IUPAC name
1,5-Di-O-phosphono-D-ribulose | |
Other names
Ribulose 1,5-diphosphate | |
Identifiers | |
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Properties | |
C5H12O11P2 | |
Molar mass | 310.088 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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