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Uridine diphosphate (UDP)-galactose is relevant in glycolysis. UDP-galactose is the activated form of Gal, a crucial monosaccharide building block for human milk oligosaccharide (HMO). [2] The activated form of galactose (Gal) serves as a donor molecule involved in catalyzing the conversion of UDP-galactose to UDP-glucose.
Thus, the two substrates of this enzyme are UDP-galactose and UDP-N-acetyl-D-glucosamine, whereas its two products are UMP and UDP-N-acetyl-6-(D-galactose-1-phospho)-D-glucosamine. This enzyme belongs to the family of transferases , specifically those transferring phosphorus-containing groups transferases for other substituted phosphate groups.
The systematic name of this enzyme class is UDP-galactose:sn-glycerol-3-phosphate 2-alpha-D-galactosyltransferase. Other names in common use include floridoside-phosphate synthase , UDP-galactose:sn-glycerol-3-phosphate-2-D-galactosyl transferase , FPS , UDP-galactose, sn-3-glycerol phosphate:1->2' galactosyltransferase , floridoside phosphate ...
Thus, the two substrates of this enzyme are UDP-galactose and myo-inositol, whereas its two products are UDP and [[O-alpha-D-galactosyl-(1->3)-1D-myo-inositol]]. This enzyme belongs to the family of glycosyltransferases , specifically the hexosyltransferases.
UDP consists of the pyrophosphate group, the pentose sugar ribose, and the nucleobase uracil. UDP is an important factor in glycogenesis . Before glucose can be stored as glycogen in the liver and muscles , the enzyme UDP-glucose pyrophosphorylase forms a UDP-glucose unit by combining glucose 1-phosphate with uridine triphosphate , cleaving a ...
In enzymology, a glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase (EC 2.4.1.122) is an enzyme that catalyzes the chemical reaction UDP-galactose + glycoprotein N-acetyl-D-galactosamine ⇌ {\displaystyle \rightleftharpoons } UDP + glycoprotein D-galactosyl-1,3-N-acetyl-D-galactosamine
The systematic name of this enzyme class is UDP-glucose:alpha-D-galactose-1-phosphate uridylyltransferase. Other names in common use include uridyl transferase, hexose-1-phosphate uridylyltransferase, uridyltransferase, and hexose 1-phosphate uridyltransferase. This enzyme participates in galactose metabolism and nucleotide sugars metabolism.
Thus, the two substrates of this enzyme are UDP-galactose and galactogen, whereas its two products are UDP and 1,6-beta-D-galactosylgalactogen. This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-galactose:galactogen beta-1,6-D-galactosyltransferase.