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). "". 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.
Fructose / Fructolysis | |
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Sorbitol | |
Galactose / Galactolysis | |
Lactose | |
Mannose |
Transferases: phosphorus-containing groups (EC 2.7) | |||||||||||||||
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2.7.1-2.7.4: phosphotransferase/kinase (PO4) |
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2.7.6: diphosphotransferase (P2O7) | |||||||||||||||
2.7.7: nucleotidyltransferase (PO4-nucleoside) |
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2.7.8: miscellaneous |
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2.7.10-2.7.13: protein kinase (PO4; protein acceptor) |
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Enzymes | |
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Activity | |
Regulation | |
Classification | |
Kinetics | |
Types |
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