| UDP-galactose-lactosylceramide alpha 1-4-galactosyltransferase | <enzyme> Catalyses transfer of galactose from udp-galactose to lactosylceramide; exclusively an alpha1-4-galactosyltransferase Registry number: EC 2.4.1.- Synonym: udpgal-galactosyl-beta-1-4-glucosylceramide alpha1-4-galactosyltransferase, globotriaosylceramide synthase, udp-glcg-transferase, udp galactose lactosylceramide alpha-galactosyltransferase, udp-gal lcgtase, udp-gal-galactose alpha(1,4)-galactosyltransferase, alpha1,4galt (26 Jun 1999) |
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| UDP-galactose-lactosylceramide beta 1-3-galactosyltransferase | <enzyme> Catalyses transfer of galactose from udp-galactose to lactose or lactosylceramide Registry number: EC 2.4.1.- Synonym: udp-galactose-lactose beta 1-3 galactosyltransferase, udp-galactose-lactose (lactosylceramide) beta-3-galactosyltransferase, udpgal-lac-3-transferase (26 Jun 1999) |
| UDP-galactose xylose galactosyltransferase | <enzyme> Involved in chondroitin sulfate synthesis Registry number: EC 2.4.1.- (26 Jun 1999) |
| UDP-GalNAc-beta-galactose beta 1,4-N-acetylgalactosaminyltransferase | <enzyme> Consider also EC 2.4.1.92 Registry number: EC 2.4.1.- Synonym: beta-1,4-n-acetylgalactosaminyltransferase, 4-galnactransferase, udp-n-acetylgalactosamine-beta-galactose beta 1,4-n-acetylgalactosaminyltransferase, (1-4)-n-acetyl-beta-d-galactosaminyltransferase, galnact-1 (26 Jun 1999) |
| UDP-N-acetylglucosamine-galactose(1-6)-N-acetylglucosaminyltransferase | <enzyme> Forms oligosaccharide core class 4(glcnac beta 1-3(glcnac beta 1-6)galnac) in mucins and various glycoproteins Registry number: EC 2.4.1.148 Synonym: udp-nagagf (26 Jun 1999) |
| 2-amino-2-deoxy-D-galactose | <chemical> Chemical name: D-Galactose, 2-amino-2-deoxy- (12 Dec 1998) |
| fucosyl galactose alpha-n-acetylgalactosaminyltransferase | <enzyme> An enzyme that catalyses the transfer of acetylgalactosamine from udp n-acetylgalactosamine to various 2-fucosylgalactosides as acceptors. Chemical name: UDP-N-acetyl-D-galactosamine:alpha-L-fucosyl-(1,2)-D-galactose 3-N-acetyl-D-galactosaminyltransferase Registry number: EC 2.4.1.40 (12 Dec 1998) |
| cyclic uridine 3',5'-monophosphate | A cyclic nucleotide involved in metabolic regulation; inhibits the growth of some tumours. (05 Mar 2000) |
| inosine-uridine hydrolase | <enzyme> From crithidia fasciculata; hydrolyzes the n-glycosidic bonds of purine and pyrimidine nucleosides Registry number: EC 3.2.2.- Synonym: inosine-uridine preferring nucleoside hydrolase, iu-nucleoside hydrolase (26 Jun 1999) |
| uridine | <biochemistry> The ribonucleoside formed by the combination of ribose and uracil. (18 Nov 1997) |
| uridine 5'-(alpha-D-galactopyranosyl pyrophosphate) NAD 2-hexosyl oxidoreductase | <enzyme> Converts udpgalactose (pyranose form) to 2-keto-galactose which rearranges to furanose form Chemical name: UDPgalactose nad 2-hexosyl oxidoreductase Registry number: EC 1.1.1.- (26 Jun 1999) |
| uridine 5'-monophosphate | Uridine esterified by phosphoric acid on one or more sugar hydroxyl groups; UMP is typically uridine 5'-monophosphate; 2' and 3' derivatives also occur; precursor for the biosynthesis of other pyrimidine nucleotides. Synonym: UMP synthase, uridine 5'-monophosphate. Uridylic acid synthase, a bifunctional enzyme that contains the activities of both orotate phosphoribosyltransferase and orotidine-5'-monophosphate decarboxylase; catalyses a key step in pyrimidine biosynthesis; a deficiency of this enzyme leads to orotic aciduria. (05 Mar 2000) |
| uridine 5'-monophosphate synthase | <chemical> Consists of orotate phosphoribosyltransferase EC 2.4.2.10 and orotidylate decarboxylase EC 4.1.1.23 Chemical name: synthase, uridylate Synonym: ump synthase, uridine 5'-phosphate synthase, uridylate synthase (26 Jun 1999) |
| uridine 5'-triphosphate | <biochemistry> Uridine esterified with triphosphoric acid at its 5'-position; the immediate precursor of uridylic acid residues in RNA. (05 Mar 2000) |
| uridine diphosphogalactose | A pyrophosphate group links the 5'-position of uridine and the 1 position of d-galactose. (05 Mar 2000) |