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MoleculeMETABOLITE RECORD

Ribulose 5-phosphate

A five-carbon ketose phosphate that can become ribose 5-phosphate or xylulose 5-phosphate.

5-carbon moleculePentose phosphate pathwayHomo sapiens
REFERENCE IDENTIFIER record
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Learn about Ribulose 5-phosphate

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

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Record type: molecule. A five-carbon ketose phosphate that can become ribose 5-phosphate or xylulose 5-phosphate.
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

4 links
Used and produced inPentose phosphate pathwayHandled by6-Phosphogluconate dehydrogenaseHandled byRibose-5-phosphate isomeraseHandled byRibulose-phosphate 3-epimerase
STRUCTURED REACTIONS

Where it appears

Open metabolism map
3

Oxidative decarboxylation

6-Phosphogluconate dehydrogenase releases CO2 and makes a second NADPH.

Pentose phosphate pathway · irreversible
4

Ribose 5-phosphate formation

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

Pentose phosphate pathway · reversible
5

Xylulose 5-phosphate formation

Ribulose-phosphate epimerase makes xylulose 5-phosphate.

Pentose phosphate pathway · reversible