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HomeMetabolismXylulose 5-phosphate
MoleculeMETABOLITE RECORD

Xylulose 5-phosphate

A ketopentose that donates two-carbon units in non-oxidative pentose phosphate reactions.

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

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

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Record type: molecule. A ketopentose that donates two-carbon units in non-oxidative pentose phosphate reactions.
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

3 links
Used and produced inPentose phosphate pathwayHandled byRibulose-phosphate 3-epimeraseHandled byTransketolase
STRUCTURED REACTIONS

Where it appears

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5

Xylulose 5-phosphate formation

Ribulose-phosphate epimerase makes xylulose 5-phosphate.

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
8

Second two-carbon transfer

A second transketolase reaction yields another fructose 6-phosphate and glyceraldehyde 3-phosphate.

Pentose phosphate pathway · reversible