释义 |
transketolase
transketolase[¦tranz′kēd·ə‚lās] (biochemistry) An enzyme that cleaves a substrate at the position of the carbonyl carbon and transports a two-carbon fragment to an acceptor compound to form a new compound. transketolase
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. Synonym(s): glycolaldehydetransferaseAcronymsSeeTKT |