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Catalysis of the reaction: UDP-apiose + 7-O-beta-D-glucosyl-5,7,4'-trihydroxyflavone = UDP + 7-O-(beta-D-apiofuranosyl-1,2-beta-D-glucosyl)-5,7,4'-trihydroxyflavone. Catalysis of the reaction: deoxyuridine + phosphate = uracil + deoxy-D-ribose 1-phosphate. Catalysis of the reaction: streptidine 6-phosphate + dTDP-L-dihydrostreptose = O-1,4-alpha-L-dihydrostreptosyl-streptidine 6-phosphate + dTDP. Catalysis of the reaction: pyrophosphate + a 2,4-dioxotetrahydropyrimidine D-ribonucleotide = PRPP + a 2,4-dioxotetrahydropyrimidine. Catalysis of the reaction: UMP + diphosphate = uracil + 5-phospho-alpha-D-ribose 1-diphosphate. Catalysis of the reaction: pyrophosphate + nicotinamide nucleotide = PRPP + niacinamide. Catalysis of the reaction: 5-phospho-alpha-D-ribose 1-diphosphate + xanthine = (9-D-ribosylxanthine)-5'-phosphate + diphosphate; substrate specificity for xanthine. Catalysis of the reaction: purine nucleoside + phosphate = purine + alpha-D-ribose 1-phosphate. Catalysis of the reaction: D-ribosyl-base1 + base2 = D-ribosyl-base2 + base1. Catalysis of the reaction: UDP-D-xylose + 1,4-beta-D-xylan(n) = UDP + 1,4-beta-D-xylan(n+1). Catalysis of the reaction: 2-deoxy-D-ribosyl-base1 + base2 = 2-deoxy-D-ribosyl-base2 + base1. Catalysis of the reaction: NAD(P)+ + L-cysteine = nicotinamide + N2-(ADP-D-ribosyl)-L-cysteine. Catalysis of the reaction: peptide diphthamide + NAD+ = peptide N-(ADP-D-ribosyl)diphthamide + niacinamide. Catalysis of the reaction: NAD+ + (ADP-D-ribosyl)(n)-acceptor = nicotinamide + (ADP-D-ribosyl)(n+1)-acceptor. Catalysis of the reaction: urate D-ribonucleotide + phosphate = urate + D-ribose 1-phosphate. Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate. Catalysis of the transfer of a phosphoribosyl group from 5'-phosphoribosyl-1'-pyrophosphate to position 64 of initiator tRNA. Catalysis of the reaction: beta-nicotinate D-ribonucleotide + dimethylbenzimidazole = nicotinate + N1-(5-phospho-alpha-D-ribosyl)-5,6-dimethylbenzimidazole. Catalysis of the reaction: N-(5-phospho-D-ribosyl)-anthranilate + diphosphate = anthranilate + 5-phospho-a-D-ribose 1-diphosphate. Catalysis of the reaction: phosphoribulosylformimino-AICAR-P + L-glutamine = D-erythro-imidazole-glycerol-phosphate + AICAR + L-glutamate. Catalysis of the reaction: UDP-L-arabinose + indol-3-ylacetyl-myo-inositol = UDP + indol-3-ylacetyl-myo-inositol L-arabinoside. Catalysis of the reaction: 5-phospho-beta-D-ribosylamine + diphosphate + L-glutamate = L-glutamine + 5-phospho-alpha-D-ribose 1-diphosphate + H2O. Catalysis of the reaction: uridine + phosphate = uracil + alpha-D-ribose 1-phosphate. Catalysis of deoxyribose exchange between purine deoxyribonucleoside as a donor and purine base as an acceptor. Catalysis of the reaction: 4-aminobenzoate + 5-phospho-alpha-D-ribose 1-diphosphate = 4-(beta-D-ribofuranosyl)aminobenzene 5'-phosphate + CO2 + pyrophosphate. Catalysis of the reaction: thymidine + phosphate = thymine + 2-deoxy-D-ribose 1-phosphate. Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor). Catalysis of the reaction: orotidine 5'-phosphate + diphosphate = orotate + 5-phospho-alpha-D-ribose 1-diphosphate. Catalysis of the reaction: IMP + diphosphate = hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate or GMP + diphosphate = guanine + 5-phospho-alpha-D-ribose 1-diphosphate. Catalysis of the reaction: 1-(5-phospho-D-ribosyl)-ATP + diphosphate = ATP + 5-phospho-alpha-D-ribose 1-diphosphate. Catalysis of the transfer of the ADP-ribose moiety of NAD+ to the amino group at N2 of 2'-deoxyguanosine to yield N2-(alpha-ADP-ribos-1-yl)-2'-deoxyguanosine and its beta form. Catalysis of the reaction: tRNA guanine + queuine = tRNA queuine + guanine. Catalysis of the reaction: nicotinate D-ribonucleotide + diphosphate = nicotinate + 5-phospho-alpha-D-ribose 1-diphosphate. Catalysis of the reaction: tRNA guanine + 7-cyano-7-deazaguanine = tRNA 7-cyano-7-deazaguanine + guanine. Catalysis of the reaction: 5'-methylthioadenosine + phosphate = adenine + 5-methylthio-D-ribose 1-phosphate. Catalysis of the reaction: NAD+ + [dinitrogen reductase] = nicotinamide + ADP-D-ribosyl-[dinitrogen reductase]. Catalysis of the reaction: UDP-arabinose + a flavonol = UDP + a flavonol 3-O-D-arabinoside. Catalysis of the reaction: nicotinate D-ribonucleotide + diphosphate + CO2 = pyridine-2,3-dicarboxylate + 5-phospho-alpha-D-ribose 1-diphosphate. Catalysis of the reaction: NAD(P)+ + L-arginine = nicotinamide + N2-(ADP-D-ribosyl)-L-arginine. Catalysis of the reaction: NAD(P)+ + L-serine = nicotinamide + N2-(ADP-D-ribosyl)-L-serine. Catalysis of the transfer of a pentosyl group from one compound (donor) to another (acceptor). Catalysis of the transfer of a xylosyl group to an acceptor molecule, typically another carbohydrate or a lipid. Catalysis of the reaction: NAD(P)+ + L-asparagine = nicotinamide + N2-(ADP-D-ribosyl)-L-asparagine. Catalysis of the reaction: guanosine + phosphate = guanine + D-ribose 1-phosphate. Catalysis of the reaction: AMP + diphosphate = adenine + 5-phospho-alpha-D-ribose 1-diphosphate. Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: transferase activity, transferring pentosyl groups
Acc: GO:0016763
Aspect: Molecular Function
Desc: Catalysis of the transfer of a pentosyl group from one compound (donor) to another (acceptor).
Synonyms:
  • pentosyltransferase activity
Proteins in PDR annotated with:
   This term: 38 [Search]
   Term or descendants: 437 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0016763 - transferase activity, transferring pentosyl groups (interactive image map)
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