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Medical Term:

galactose 1-phosphate uridylyltransferase


Definition: an enzyme catalyzing the reaction of UTP and α-d-galactose 1-phosphate to form UDP-galactose and pyrophosphate, the second and most important step in the metabolism of d-galactose; a deficiency of this enzyme results in an accumulation of galactose, galactose-1-phosphate, and galactitol.