| galactose tolerance test | A liver function test, based on the ability of the liver to convert galactose to glycogen, measured by the rate of excretion of galactose following ingestion or intravenous injection of a known amount; normally, less than 3 g appear in the urine within 5 hours after the ingestion of 40 g. (05 Mar 2000) |
|---|---|
| UDPgalactosamine-galactose acetylgalactosaminyltransferase | <enzyme> Transfers sugars from udp-n-acetylgalactosamine to terminal galactose of h substance, producing a antigen; consider also fucosyl galactose alpha-n-acetylgalactosaminyltransferase which is called a-transferase Registry number: EC 2.4.1.- Synonym: blood group a-enzyme, blood group glycosyltransferase a, alpha-3-d-n-acetylgalactosaminyltransferase, alpha-3-n-acetyl-d-galactosaminyltransferase (26 Jun 1999) |
| UDP-galactose 4-O-beta-D-galactosyl-D-xylose galactosyltransferase | <enzyme> Involved in chondroitin sulfate synthesis Registry number: EC 2.4.1.- (26 Jun 1999) |
| UDP-galactose hydrolase | <enzyme> Hydrolyzes udp-galactose to galactose Registry number: EC 3.1.4.- (26 Jun 1999) |
| 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) |
| 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) |
| uridine diphosphate galactose | <chemical> A nucleoside diphosphate sugar which can be epimerised into udpglucose for entry into the mainstream of carbohydrate metabolism. Serves as a source of galactose in the synthesis of lipopolysaccharides, cerebrosides, and lactose. Chemical name: Uridine 5'-(trihydrogen diphosphate), P'-alpha-D-galactopyranosyl ester (12 Dec 1998) |
| 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) |
| allantoate permease | <chemical> From saccharomyces cerevisiae Synonym: allantoin permease (26 Jun 1999) |
| alpha-ketoglutarate permease | <chemical> From E coli; 432-amino acid protein; amino acid sequence given in first source Synonym: kGTP gene product, wita protein, alpha-ketoglutarate transporter (26 Jun 1999) |
| amino acid permease | <enzyme> A widely distributed group of large Integral membrane proteins, required for the entry of amino acids into cells. (18 Nov 1997) |