transketolase

(redirected from glycolaldehydetransferase)
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trans·ke·to·lase

(trans-kē'tō-lās), [MIM*606781]
A transferase bringing about the reversible interconversion of sedoheptulose 7-phosphate and d-glyceraldehyde 3-phosphate to produce d-ribose 5-phosphate and d-xylulose 5-phosphate, and also other similar reactions, such as hydroxypyruvate and an aldehyde into CO2 and an extended hydroxypyruvate; a part of the nonoxidative phase of the pentose phosphate pathway.
See also: transaldolase.

transketolase

an enzyme that participates in the transfer of ketol groups. Determination of activity in the red blood cell is an indirect indicator of thiamin deficiency.