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HomeMetabolismRibose 5-phosphate
MoleculeMETABOLITE RECORD

Ribose 5-phosphate

A pentose used to make PRPP and nucleotide precursors.

5-carbon moleculePentose phosphate pathwayHomo sapiens
REFERENCE IDENTIFIERCHEBI:17797ChEBI record
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Learn about Ribose 5-phosphate

Ribose 5-phosphate is a small molecule that cells make, use, or change in connected metabolic reactions.

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Record type: molecule. A pentose used to make PRPP and nucleotide precursors.
QUICK FACTS

At a glance

Carbon backbone 5 CThis carbon count is shown where it is defined for the molecule.

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Connected records

5 links
Used and produced inPentose phosphate pathwayUsed inPurine nucleotide synthesisHandled byRibose-5-phosphate isomeraseHandled byTransketolaseHandled byRibose-phosphate pyrophosphokinase
STRUCTURED REACTIONS

Where it appears

Open metabolism map
4

Ribose 5-phosphate formation

Ribose-5-phosphate isomerase makes ribose 5-phosphate for nucleotide synthesis.

Pentose phosphate pathway · reversible
6

First two-carbon transfer

Transketolase transfers a two-carbon unit to make glyceraldehyde 3-phosphate and sedoheptulose 7-phosphate.

Pentose phosphate pathway · reversible