galactokinase

galactokinase /ga·lac·to·ki·nase/ (gah-lak?to-ki´nas) 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.

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ga·lac·to·ki·nase (g-lkt-kns, -nz, -kns, -z)

n.

An enzyme that catalyzes the phosphorylation of galactose in the presence of ATP.

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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.

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galactokinase deficiency

see galactosemia.