In enzymology, a triokinase (EC 2.7.1.28) is an enzyme that catalyzes the chemical reaction
- ATP + D-glyceraldehyde ADP + D-glyceraldehyde 3-phosphate
Thus, the two substrates of this enzyme are ATP and D-glyceraldehyde, whereas its two products are ADP and D-glyceraldehyde 3-phosphate.
This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor. The systematic name of this enzyme class is ATP:D-glyceraldehyde 3-phosphotransferase. This enzyme is also called triose kinase. This enzyme participates in fructose metabolism.
References
- Hers HG, Kusaka T (1953). "[The metabolism of fructose-1-phosphate in the liver.]". Biochim. Biophys. Acta. 11 (3): 427–37. doi:10.1016/0006-3002(53)90062-6. PMID 13093749.
- Sillero MA, Sillero A, Sols A (1969). "Enzymes involved in fructose metabolism in liver and the glyceraldehyde metabolic crossroads". Eur. J. Biochem. 10 (2): 345–50. doi:10.1111/j.1432-1033.1969.tb00696.x. PMID 5823111.
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