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galactokinase |
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galactokinase /ga·lac·to·ki·nase/ (gah-lak″to-ki´nās) an enzyme that catalyzes the transfer of a high-energy phosphate group from a donor to d-galactose, the initial step of galactose utilization. Absence of enzyme activity results in galactokinase deficiency galactosemia.
galactokinase [gəlak′tōkī′nās] Etymology: Gk, gala, milk, kinesis, movement; Fr, diastase, enzyme an enzyme that functions in the metabolism of glycogen. Galactokinase catalyzes a metabolic step involving the transfer of a high-energy phosphate group from a donor molecule to a molecule of galactose, producing a molecule of d-galactose 1-phosphate. galactokinase [gah-lak″to-ki´nās] an enzyme that catalyzes the first step in the metabolism of galactose, the transfer of a phosphate group from ATP to galactose, producing galactose-1-phosphate. galactokinase deficiency a rare type of galactosemia transmitted as an autosomal recessive trait, caused by a deficiency of galactokinase. The only clinical manifestation is the development of cataracts during the first year of life, which can be prevented by a low-galactose diet.
galactokinase an enzyme that catalyzes the first step in the metabolism of galactose, the transfer of a phosphate group from ATP to galactose, producing galactose-1-phosphate. galactokinase deficiency see galactosemia. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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