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Protein · enzymePROTEIN · ENZYME RECORD

Transketolase

Transfers two-carbon units between sugar phosphates in the non-oxidative pentose phosphate pathway.

Pentose phosphate pathwayHomo sapiens
REFERENCE IDENTIFIER2.2.1.1EC record
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Transketolase is a protein that speeds up a chemical reaction. Cells can adjust when and how strongly many enzymes work.

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Record type: enzyme. Transfers two-carbon units between sugar phosphates in the non-oxidative pentose phosphate pathway.
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HUMAN GENESTKTExplore gene
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Connected records

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Catalyzes a step inPentose phosphate pathwayUsesXylulose 5-phosphateUsesRibose 5-phosphateProducesGlyceraldehyde 3-phosphateProducesSedoheptulose 7-phosphateUsesErythrose 4-phosphateProducesFructose 6-phosphateEncoded byTKT
STRUCTURED REACTIONS

Reactions it catalyzes

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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