| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0015020 | glucuronosyltransferase activity | Catalysis of the reaction: UDP-glucuronate + acceptor = UDP + acceptor beta-D-glucuronoside. | 27 |
| GO:0004653 | polypeptide N-acetylgalactosaminyltransferase activity | Catalysis of the reaction: UDP-N-acetyl-D-galactosamine + polypeptide = UDP + N-acetyl-D-galactosaminyl-polypeptide. This reaction is the modification of serine or threonine residues in polypeptide chains by the transfer of a N-acetylgalactose from UDP-N-acetylgalactose to the hydroxyl group of the amino acid; it is the first step in O-glycan biosynthesis. | 20 |
| GO:0003956 | NAD(P)+-protein-arginine ADP-ribosyltransferase activity | Catalysis of the reaction: NAD(P)+ + L-arginine = nicotinamide + N2-(ADP-D-ribosyl)-L-arginine. | 8 |
| GO:0008499 | UDP-galactose:beta-N-acetylglucosamine beta-1,3-galactosyltransferase activity | Catalysis of the reaction: UDP-galactose + N-acetylglucosamine = galactose-beta-1,3-N-acetylglucosamine + UDP. | 7 |
| GO:0004579 | dolichyl-diphosphooligosaccharide-protein glycotransferase activity | Catalysis of the reaction: dolichyl diphosphooligosaccharide + protein L-asparagine = dolichyl diphosphate + a glycoprotein with the oligosaccharide chain attached by glycosylamine linkage to protein L-asparagine. | 7 |
| GO:0016262 | protein N-acetylglucosaminyltransferase activity | Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + protein = UDP + 4-N-(N-acetyl-D-glucosaminyl)-protein. | 6 |
| GO:0046921 | alpha-(1->6)-fucosyltransferase activity | Catalysis of the transfer of an L-fucosyl group from GDP-beta-L-fucose to an acceptor molecule to form an alpha-(1->6) linkage. | 5 |
| GO:0035250 | UDP-galactosyltransferase activity | Catalysis of the transfer of a galactose group from UDP-galactose to an acceptor molecule. | 5 |
| GO:0003950 | NAD+ ADP-ribosyltransferase activity | Catalysis of the reaction: NAD+ + (ADP-D-ribosyl)(n)-acceptor = nicotinamide + (ADP-D-ribosyl)(n+1)-acceptor. | 5 |
| GO:0008376 | acetylgalactosaminyltransferase activity | Catalysis of the transfer of an N-acetylgalactosaminyl residue from UDP-N-acetyl-galactosamine to an oligosaccharide. | 4 |
| GO:0033842 | N-acetyl-beta-glucosaminyl-glycoprotein 4-beta-N-acetylgalactosaminyltransferase activity | Catalysis of the reaction: UDP-N-acetyl-D-galactosamine + N-acetyl-beta-D-glucosaminyl group = UDP + N-acetyl-beta-D-galactosaminyl-(1->4)-N-acetyl-beta-D-glucosaminyl group. | 4 |
| GO:0008417 | fucosyltransferase activity | Catalysis of the transfer of a fucosyl group to an acceptor molecule, typically another carbohydrate or a lipid. | 4 |
| GO:0000033 | alpha-1,3-mannosyltransferase activity | Catalysis of the transfer of a mannose residue to an oligosaccharide, forming an alpha-(1->3) linkage. | 4 |
| GO:0003831 | beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase activity | Catalysis of the reaction: UDP-galactose + N-acetyl-beta-D-glucosaminylglycopeptide = UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminylglycopeptide. | 4 |
| GO:0008375 | acetylglucosaminyltransferase activity | Catalysis of the transfer of an N-acetylglucosaminyl residue from UDP-N-acetyl-glucosamine to a sugar. | 3 |
| GO:0035251 | UDP-glucosyltransferase activity | Catalysis of the transfer of a glucosyl group from UDP-glucose to an acceptor molecule. | 3 |
| GO:0019187 | beta-1,4-mannosyltransferase activity | Catalysis of the transfer of a mannose residue to an oligosaccharide, forming a beta-(1->4) linkage. | 3 |
| GO:0033207 | beta-1,4-N-acetylgalactosaminyltransferase activity | Catalysis of the transfer of an N-acetylgalactosaminyl residue from UDP-N-acetyl-galactosamine to an acceptor molecule, forming a beta-1,4 linkage. | 3 |
| GO:0047220 | galactosylxylosylprotein 3-beta-galactosyltransferase activity | Catalysis of the reaction: 4-beta-D-galactosyl-O-beta-D-xylosylprotein + UDP-galactose = 3-beta-D-galactosyl-4-beta-D-galactosyl-O-beta-D-xylosylprotein + UDP. | 2 |
| GO:0004582 | dolichyl-phosphate beta-D-mannosyltransferase activity | Catalysis of the reaction: GDP-mannose + dolichyl phosphate = GDP + dolichyl D-mannosyl phosphate. | 2 |
| GO:0017061 | S-methyl-5-thioadenosine phosphorylase activity | Catalysis of the reaction: 5'-methylthioadenosine + phosphate = adenine + 5-methylthio-D-ribose 1-phosphate. | 2 |
| GO:0016763 | transferase activity, transferring pentosyl groups | Catalysis of the transfer of a pentosyl group from one compound (donor) to another (acceptor). | 2 |
| GO:0008184 | glycogen phosphorylase activity | Catalysis of the reaction: glycogen + phosphate = maltodextrin + alpha-D-glucose 1-phosphate. | 2 |
| GO:0050508 | glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase activity | Catalysis of the reaction: beta-D-glucuronosyl-(1,4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan + UDP-N-acetyl-D-glucosamine = N-acetyl-alpha-D-glucosaminyl-(1,4)-beta-D-glucuronosyl-(1,4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan + UDP. | 2 |
| GO:0003844 | 1,4-alpha-glucan branching enzyme activity | Catalysis of the transfer of a segment of a (1->4)-alpha-D-glucan chain to a primary hydroxyl group in a similar glucan chain. | 2 |
| GO:0004731 | purine-nucleoside phosphorylase activity | Catalysis of the reaction: purine nucleoside + phosphate = purine + alpha-D-ribose 1-phosphate. | 2 |
| GO:0004576 | oligosaccharyl transferase activity | Catalysis of the transfer of a oligosaccharyl group to an acceptor molecule, typically another carbohydrate or a lipid. | 2 |
| GO:0097363 | protein O-GlcNAc transferase activity | Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + [protein]-L-serine = UDP + [protein]-3-O-(N-acetyl-D-glucosaminyl)-L-serine, or UDP-N-acetyl-D-glucosamine + [protein]-L-threonine = UDP + [protein]-3-O-(N-acetyl-D-glucosaminyl)-L-threonine. | 2 |
| GO:0017176 | phosphatidylinositol N-acetylglucosaminyltransferase activity | Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + phosphatidylinositol = UDP + N-acetyl-D-glucosaminylphosphatidylinositol. | 2 |
| GO:0008378 | galactosyltransferase activity | Catalysis of the transfer of a galactosyl group to an acceptor molecule, typically another carbohydrate or a lipid. | 2 |
| GO:0008466 | glycogenin glucosyltransferase activity | Catalysis of the reaction: UDP-glucose + glycogenin = UDP + glucosylglycogenin. | 2 |
| GO:0008479 | queuine tRNA-ribosyltransferase activity | Catalysis of the reaction: tRNA guanine + queuine = tRNA queuine + guanine. | 2 |
| GO:0050509 | N-acetylglucosaminyl-proteoglycan 4-beta-glucuronosyltransferase activity | Catalysis of the reaction: N-acetyl-alpha-D-glucosaminyl-(1,4)-beta-D-glucuronosyl-proteoglycan + UDP-alpha-D-glucuronate = beta-D-glucuronosyl-(1,4)-N-acetyl-alpha-D-glucosaminyl-(1,4)-beta-D-glucuronosyl-proteoglycan + UDP. | 2 |
| GO:0003980 | UDP-glucose:glycoprotein glucosyltransferase activity | Catalysis of the addition of UDP-glucose on to asparagine-linked (N-linked) oligosaccharides of the form Man7-9GlcNAc2 on incorrectly folded glycoproteins. | 2 |
| GO:0046987 | N-acetyllactosamine beta-1,3-glucuronosyltransferase activity | Catalysis of the transfer, in a beta 1,3 linkage, of D-glucuronic acid (GlcUA) from UDP-D-glucuronic acid to N-acetyllactosamine (galactosyl beta-1,4-N-acetylglucosamine). | 1 |
| GO:0050211 | procollagen galactosyltransferase activity | Catalysis of the reaction: UDP-galactose + procollagen 5-hydroxy-L-lysine = UDP + procollagen 5-(D-galactosyloxy)-L-lysine. | 1 |
| GO:0046527 | glucosyltransferase activity | Catalysis of the transfer of a glucosyl group to an acceptor molecule, typically another carbohydrate or a lipid. | 1 |
| GO:0000009 | alpha-1,6-mannosyltransferase activity | Catalysis of the transfer of a mannose residue to an oligosaccharide, forming an alpha-(1->6) linkage. | 1 |
| GO:0004378 | GDP-Man:Man1GlcNAc2-PP-Dol alpha-1,3-mannosyltransferase activity | Catalysis of the reaction: beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc-diphosphodolichol + GDP-alpha-D-mannose = alpha-D-Man-(1->3)-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc-diphosphodolichol + GDP + H+. This reaction is the transfer of an alpha-D-mannosyl residue from GDP-mannose into lipid-linked oligosaccharide, forming an alpha-(1->3)-D-mannosyl-D-mannose linkage. | 1 |
| GO:0004516 | nicotinate phosphoribosyltransferase activity | Catalysis of the reaction: diphosphate + nicotinate D-ribonucleotide = 5-phospho-alpha-D-ribose 1-diphosphate + H(+) + nicotinate. | 1 |
| GO:0004044 | amidophosphoribosyltransferase activity | Catalysis of the reaction: 5-phospho-beta-D-ribosylamine + L-glutamate + diphosphate = 5-phospho-alpha-D-ribose 1-diphosphate + L-glutamine + H(2)O. | 1 |
| GO:0004377 | GDP-Man:Man3GlcNAc2-PP-Dol alpha-1,2-mannosyltransferase activity | Catalysis of the reaction: an alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc-diphosphodolichol + 2 GDP-alpha-D-mannose = an alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc-diphosphodolichol + 2 GDP + 2 H+. This reaction is the transfer of an alpha-D-mannosyl residue from GDP-mannose into lipid-linked oligosaccharide, forming an alpha-(1->2)-D-mannosyl-D-mannose linkage. | 1 |
| GO:0008489 | UDP-galactose:glucosylceramide beta-1,4-galactosyltransferase activity | Catalysis of the reaction: UDP-D-galactose + a glucosylceramide = a lactosylceramide + uridine-5'-diphosphate. The glucosylceramide has sphinganine as the long chain base. | 1 |
| GO:0010294 | abscisic acid glucosyltransferase activity | Catalysis of the reaction: (+)-abscisate + UDP-D-glucose = abscisic acid glucose ester + UDP. | 1 |
| GO:0004373 | glycogen (starch) synthase activity | Catalysis of the reaction: UDP-glucose + (1,4)-alpha-D-glucosyl(n) = UDP + (1,4)-alpha-D-glucosyl(n+1). | 1 |
| GO:0008457 | beta-galactosyl-N-acetylglucosaminylgalactosylglucosyl-ceramide beta-1,3-acetylglucosaminyltransferase activity | Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + beta-D-galactosyl-1,4-N-acetyl-beta-D-glucosaminyl-1,3-beta-D-galactosyl-1,4-beta-D-glucosylceramide = UDP + N-acetyl-D-glucosaminyl-1,3-beta-D-galactosyl-1,4-N-acetyl-beta-D-glucosaminyl-1,3-beta-D-galactosyl-1,4-beta-D-glucosylceramide. | 1 |
| GO:0033823 | procollagen glucosyltransferase activity | Catalysis of the reaction: UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen = UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen. | 1 |
| GO:0016263 | glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase activity | Catalysis of the addition of a galactosyl residue to a non-reducing O-linked N-acetylgalactosamine residue in an O-glycan. | 1 |
| GO:0008424 | glycoprotein 6-alpha-L-fucosyltransferase activity | Catalysis of the reaction: N(4)-{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-N-acetyl-beta-D-glucosaminyl}-L-asparagine + GDP-L-fucose = N(4)-{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-[alpha-L-fucosyl-(1->6)]-N-acetyl-beta-D-glucosaminyl}asparagine + GDP + H(+). | 1 |
| GO:0003851 | 2-hydroxyacylsphingosine 1-beta-galactosyltransferase activity | Catalysis of the reaction: UDP-galactose + 2-(2-hydroxyacyl)sphingosine = UDP + 1-(beta-D-galactosyl)-2-(2-hydroxyacyl)sphingosine. | 1 |
| GO:0033164 | glycolipid 6-alpha-mannosyltransferase activity | Catalysis of the transfer of an alpha-D-mannosyl residue from GDP-mannose into lipid-linked oligosaccharide, forming an alpha-(1->6)-D-mannosyl-D-mannose linkage. | 1 |
| GO:0004169 | dolichyl-phosphate-mannose-protein mannosyltransferase activity | Catalysis of the reaction: dolichyl phosphate D-mannose + protein = dolichyl phosphate + O-D-mannosylprotein. | 1 |
| GO:0004645 | phosphorylase activity | Catalysis of the reaction: 1,4-alpha-D-glucosyl(n) + phosphate = 1,4-alpha-D-glucosyl(n-1) + alpha-D-glucose 1-phosphate. The name should be qualified in each instance by adding the name of the natural substrate, e.g. maltodextrin phosphorylase, starch phosphorylase, glycogen phosphorylase. | 1 |
| GO:0008917 | lipopolysaccharide N-acetylglucosaminyltransferase activity | Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + lipopolysaccharide = UDP + N-acetyl-D-glucosaminyl-lipopolysaccharide. | 1 |
| GO:0008194 | UDP-glycosyltransferase activity | Catalysis of the transfer of a glycosyl group from a UDP-sugar to a small hydrophobic molecule. | 1 |
| GO:0003945 | N-acetyllactosamine synthase activity | Catalysis of the reaction: UDP-galactose + N-acetyl-D-glucosamine = UDP + N-acetyllactosamine. | 1 |
| GO:0046989 | galactosyl beta-1,3 N-acetylgalactosamine beta-1,3-glucuronosyltransferase activity | Catalysis of the transfer, in a beta 1,3 linkage, of D-glucuronic acid (GlcUA) from UDP-GlcUA to the disaccharide galactosyl beta-1,3 N-acetylgalactosamine, a common component of glycoproteins and glycolipids. | 1 |
| GO:0046525 | xylosylprotein 4-beta-galactosyltransferase activity | Catalysis of the reaction: UDP-galactose + O-beta-D-xylosylprotein = UDP + 4-beta-D-galactosyl-O-beta-D-xylosylprotein. | 1 |
| GO:0003827 | alpha-1,3-mannosylglycoprotein 2-beta-N-acetylglucosaminyltransferase activity | Catalysis of the reaction: 3-(alpha-D-mannosyl)-beta-D-mannosyl-R + UDP-N-acetyl-alpha-D-glucosamine = 3-(2-[N-acetyl-beta-D-glucosaminyl]-alpha-D-mannosyl)-beta-D-mannosyl-R + H(+) + UDP. | 1 |
| GO:0047238 | glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase activity | Catalysis of the reaction: D-glucuronyl-N-acetyl-1,3-beta-D-galactosaminylproteoglycan + UDP-N-acetylgalactosamine = N-acetyl-D-galactosaminyl-1,4-beta-D-glucuronyl-N-acetyl-1,3-beta-D-galactosaminylproteoglycan + UDP. | 1 |
| GO:0046988 | asioloorosomucoid beta-1,3-glucuronosyltransferase activity | Catalysis of the transfer, in a beta 1,3 linkage, of D-glucuronic acid (GlcUA) from UDP-GlcUA to asioloorosomucoid. | 1 |
| GO:0046920 | alpha-(1->3)-fucosyltransferase activity | Catalysis of the transfer of an L-fucosyl group from GDP-beta-L-fucose to an acceptor molecule to form an alpha-(1->6) linkage. | 1 |
| GO:0033829 | O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase activity | Catalysis of the transfer of a beta-D-GlcNAc residue from UDP-D-GlcNAc to the fucose residue of a fucosylated protein acceptor. | 1 |
| GO:0016758 | transferase activity, transferring hexosyl groups | Catalysis of the transfer of a hexosyl group from one compound (donor) to another (acceptor). | 1 |
| GO:0004461 | lactose synthase activity | Catalysis of the reaction: UDP-galactose + D-glucose = UDP + lactose. | 1 |