1. 2.4.1.69 enzyme   guanosine  diphosphofucose-
                      guanosine diphosphofucose-lactose fucosyltransferase
                      guanosine diphospho-L-fucose-lactose fucosyltransferase
                      guanosine diphosphofucose-galactoside 2-L-fucosyltransferase
                      guanosine diphosphofucose-glycoprotein 2-alpha-fucosyltransferase
                      guanosine diphosphofucose-glycoprotein 2-alpha-L-fucosyltransferase
                      guanosine  diphosphofucose-beta-D-galactosyl-alpha-2-L-fucosyltransferase
                      alpha-2-fucosyltransferase
                      GDP fucose-lactose fucosyltransferase
                      alpha-2-L-fucosyltransferase
                      beta-galactoside alpha1->2fucosyltransferase
                      GDP-L-fucose:lactose fucosyltransferase
                      alpha-(1->2)-L-fucosyltransferase
                      galactoside 2-alpha-L-fucosyltransferase
                      blood group H alpha-2-fucosyltransferase
                      blood-group substance H-dependent fucosyltransferase
                      secretor-type beta-galactoside alpha1->2fucosyltransferase
                      H-gene-encoded beta-galactoside alpha1->2fucosyltransferase
                      GDP-beta-L-fucose:beta-D-galactosyl-R 2-alpha-L-fucosyltransferase

2. 2.4.2.15 enzyme   guanosine phosphorylase
                      guanosine:phosphate D-ribosyltransferase
                      guanosine:phosphate alpha-D-ribosyltransferase

3. 2.4.2.8 enzyme   guanosine phosphoribosyltransferase
                      guanosine 5'-phosphate pyrophosphorylase
                      GPRT
                      HGPRTase
                      HPRT
                      transphosphoribosidase
                      GMP pyrophosphorylase
                      IMP pyrophosphorylase
                      guanine phosphoribosyltransferase
                      guanylate pyrophosphorylase
                      guanylic pyrophosphorylase
                      hypoxanthine phosphoribosyltransferase
                      inosinate pyrophosphorylase
                      inosinic pyrophosphorylase
                      6-hydroxypurine phosphoribosyltransferase
                      6-mercaptopurine phosphoribosyltransferase
                      IMP-GMP pyrophosphorylase
                      guanine-hypoxanthine phosphoribosyltransferase
                      hypoxanthine-guanine phosphoribosyltransferase
                      inosinic acid pyrophosphorylase
                      inosine 5'-phosphate pyrophosphorylase
                      purine-6-thiol phosphoribosyltransferase
                      IMP:diphosphate phospho-D-ribosyltransferase

4. 3.2.1.42 enzyme   guanosine diphosphoglucosidase
                      guanosine diphosphate D-glucose glucohydrolase
                      GDP-glucosidase
                      GDP-glucose glucohydrolase

5. 3.5.4.15 enzyme   guanosine aminase
                      guanosine aminohydrolase
                      guanosine deaminase

6. 3.6.1.40 enzyme   guanosine pentaphosphatase
                      guanosine pentaphosphate phosphatase
                      guanosine pentaphosphate phosphohydrolase
                      guanosine-5'-triphosphate,3'-diphosphate diphosphatase
                      guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase
                      guanosine 5'-triphosphate 3'-diphosphate 5'-phosphatase
                      guanosine 5'-triphosphate-3'-diphosphate 5'-phosphohydrolase
                      guanosine-5'-triphosphate,3'-diphosphate 5'-phosphohydrolase
                      pppGpp 5'-phosphohydrolase

7. 3.6.1.42 enzyme   guanosine-diphosphatase
                      GDPase
                      GDP phosphohydrolase

8. 3.6.1.6 enzyme   guanosine diphosphatase
                      guanosine 5'-diphosphatase
                      ADPase
                      CDPase
                      GDPase
                      IDPase
                      NDPase
                      UDPase
                      adenosinepyrophosphatase
                      thiaminpyrophosphatase
                      adenosine diphosphatase
                      inosine diphosphatase
                      nucleoside-diphosphatase
                      uridine diphosphatase
                      inosine 5'-diphosphatase
                      nucleoside 5'-diphosphatase
                      nucleoside diphosphate phosphatase
                      nucleoside diphosphate phosphohydrolase
                      nucleoside-diphosphate phosphohydrolase
                      uridine 5'-diphosphatase
                      type B nucleoside diphosphatase
                      type L nucleoside diphosphatase

9. 1.1.1.132 enzyme   guanosine diphosphomannose dehydrogenase
                      guanosine diphospho-D-mannose dehydrogenase
                      GDP-mannose dehydrogenase
                      GDP-mannose 6-dehydrogenase
                      GDP-D-mannose:NAD+ 6-oxidoreductase

10. 1.7.1.7 enzyme   guanosine monophosphate reductase
                      guanosine 5'-monophosphate reductase
                      guanosine 5'-phosphate reductase
                      NADPH2:guanosine-5'-phosphate oxidoreductase (deaminating)
                      GMP reductase
                      guanylate reductase
                      NADPH:GMP oxidoreductase (deaminating)
                      inosine-5'-phosphate:NADP+ oxidoreductase (aminating)

11. 2.1.1.34 enzyme   tRNA guanosine 2'-methyltransferase
                      tRNA (guanosine-2'-O-)-methyltransferase
                      transfer ribonucleate guanosine 2'-methyltransferase
                      S-adenosyl-L-methionine:tRNA (guanosine-2'-O-)-methyltransferase

12. 2.4.2.1 enzyme   inosine-guanosine phosphorylase
                      PNPase
                      PUNPI
                      PUNPII
                      inosine phosphorylase
                      nucleotide phosphatase
                      purine deoxynucleoside phosphorylase
                      purine deoxyribonucleoside phosphorylase
                      purine nucleoside phosphorylase
                      purine ribonucleoside phosphorylase
                      purine-nucleoside phosphorylase
                      purine-nucleoside:phosphate ribosyltransferase

13. 2.7.1.73 enzyme   inosine-guanosine kinase
                      inosine kinase
                      inosine kinase (phosphorylating)
                      ATP:inosine 5'-phosphotransferase

14. 2.7.4.8 enzyme   guanosine monophosphate kinase
                      GMP kinase
                      deoxyguanylate kinase
                      guanylate kinase
                      5'-GMP kinase
                      ATP:GMP phosphotransferase
                      ATP:(d)GMP phosphotransferase

15. 2.7.6.5 enzyme   guanosine pentaphosphate synthetase
                      guanosine 3',5'-polyphosphate synthase
                      guanosine 5',3'-polyphosphate synthetase
                      GPSI
                      GPSII
                      GTP diphosphokinase
                      GTP pyrophosphokinase
                      stringent factor
                      (p)ppGpp synthetase I
                      (p)ppGpp synthetase II
                      ATP-GTP 3'-diphosphotransferase
                      ATP:GTP 3'-diphosphotransferase

16. 2.7.7.13 enzyme   guanosine diphosphomannose pyrophosphorylase
                      guanosine 5'-diphospho-D-mannose pyrophosphorylase
                      guanosine triphosphate-mannose 1-phosphate guanylyltransferase
                      mannose 1-phosphate guanylyltransferase (guanosine triphosphate)
                      PIM-GMP (phosphomannose isomerase-guanosine 5'-diphospho-D-mannose  pyrophosphorylase)
                      GDP-mannose pyrophosphorylase
                      mannose-1-phosphate guanylyltransferase
                      GTP-mannose-1-phosphate guanylyltransferase
                      GTP:alpha-D-mannose-1-phosphate guanylyltransferase

17. 2.7.7.22 enzyme   guanosine diphosphomannose phosphorylase
                      guanosine diphosphate-mannose 1-phosphate guanylyltransferase
                      mannose 1-phosphate (guanosine diphosphate) guanylyltransferase
                      GDP mannose phosphorylase
                      mannose 1-phosphate guanylyltransferase
                      GDP-mannose 1-phosphate guanylyltransferase
                      mannose-1-phosphate guanylyltransferase (GDP)
                      GDP:D-mannose-1-phosphate guanylyltransferase
                      GDP:alpha-D-mannose-1-phosphate guanylyltransferase

18. 2.7.7.28 enzyme   guanosine diphosphohexose pyrophosphorylase
                      GDP hexose pyrophosphorylase
                      NDP hexose pyrophosphorylase
                      hexose nucleotidylating enzyme
                      nucleoside diphosphohexose pyrophosphorylase
                      hexose 1-phosphate nucleotidyltransferase
                      hexose-1-phosphate guanylyltransferase
                      NTP:hexose-1-phosphate nucleotidyltransferase
                      nucleoside-triphosphate-aldose-1-phosphate nucleotidyltransferase
                      nucleoside-triphosphate-hexose-1-phosphate nucleotidyltransferase
                      GTP:alpha-D-hexose-1-phosphate guanylyltransferase
                      NTP:alpha-D-aldose-1-phosphate nucleotidyltransferase

19. 2.7.7.34 enzyme   guanosine diphosphoglucose pyrophosphorylase
                      GDP glucose pyrophosphorylase
                      glucose-1-phosphate guanylyltransferase
                      GTP:alpha-D-glucose-1-phosphate guanylyltransferase

20. 2.7.7.45 enzyme   diguanosine tetraphosphate synthetase
                      guanosine-triphosphate guanylyltransferase
                      guanosine triphosphate-guanose triphosphate guanylyltransferase
                      Gp4G synthetase
                      GTP-GTP guanylyltransferase
                      GTP:GTP guanylyltransferase

21. 3.2.2.2 enzyme   inosine-guanosine nucleosidase
                      inosinase
                      inosine nucleosidase
                      inosine ribohydrolase

22. 3.5.4.16 enzyme   guanosine triphosphate cyclohydrolase
                      guanosine triphosphate 8-deformylase
                      GTP cyclohydrolase
                      GTP 8-formylhydrolase
                      GTP cyclohydrolase I
                      dihydroneopterin triphosphate synthase
                      GTP 7,8-8,9-dihydrolase

23. 4.2.1.47 enzyme   guanosine diphosphomannose oxidoreductase
                      guanosine diphosphomannose 4,6-dehydratase
                      guanosine 5'-diphosphate-D-mannose oxidoreductase
                      Gmd
                      GDP-D-mannose dehydratase
                      GDP-mannose 4,6-dehydratase
                      GDP-D-mannose 4,6-dehydratase
                      GDP-mannose 4,6-hydro-lyase

24. 6.3.5.2 enzyme   guanosine 5'-monophosphate synthetase
                      guanosine monophosphate synthetase (glutamine-hydrolyzing)
                      GMP synthase (glutamine-hydrolysing)
                      GMP synthetase (glutamine-hydrolysing)
                      guanylate synthetase (glutamine-hydrolyzing)
                      xanthosine 5'-phosphate amidotransferase
                      xanthosine-5'-phosphate:L-glutamine amido-ligase (AMP-forming)

25. 2.4.1.29 enzyme   guanosine diphosphoglucose-cellulose glucosyltransferase
                      cellulose synthase (guanosine diphosphate-forming)
                      guanosine diphosphoglucose-1,4-beta-glucan glucosyltransferase
                      cellulose synthetase
                      cellulose synthase (GDP-forming)
                      GDP-glucose:1,4-beta-D-glucan 4-beta-D-glucosyltransferase

26. 2.4.1.68 enzyme   guanosine diphosphofucose-glycoprotein fucosyltransferase
                      glycoprotein fucosyltransferase
                      GDP-fucose-glycoprotein fucosyltransferase
                      GDP-L-fucose-glycoprotein fucosyltransferase
                      glycoprotein 6-alpha-L-fucosyltransferase
                      GDP-L-Fuc:N-acetyl-beta-D-glucosaminide alpha1->6fucosyltransferase
                      GDP-L-fucose:glycoprotein (L-fucose to asparagine-linked N-acetylglucosamine of N4-{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-glucosam

27. 2.7.4.10 enzyme   guanosine triphosphate-adenylate kinase
                      GTP:AMP phosphotransferase
                      nucleoside-triphosphate-adenylate kinase
                      nucleoside-triphosphate:AMP phosphotransferase
                      isozyme 3 of adenylate kinase
                      nucleoside triphosphate-adenosine monophosphate transphosphorylase

28. 2.7.7.30 enzyme   guanosine diphosphate L-fucose pyrophosphorylase
                      GDP fucose pyrophosphorylase
                      GDP-fucose pyrophosphorylase
                      GDP-L-fucose pyrophosphorylase
                      fucose-1-phosphate guanylyltransferase
                      GTP:L-fucose-1-phosphate guanylyltransferase
                      GTP:beta-L-fucose-1-phosphate guanylyltransferase

29. 3.1.4.35 enzyme   cyclic guanosine 3',5'-monophosphate phosphodiesterase
                      cyclic guanosine 3',5'-phosphate phosphodiesterase
                      guanosine cyclic 3',5'-phosphate phosphodiesterase
                      cGMP phosphodiesterase
                      cGMP-PDE
                      cyclic GMP phosphodiesterase
                      3',5'-cyclic-GMP phosphodiesterase
                      cyclic 3',5'-GMP phosphodiesterase
                      3',5'-cyclic-GMP 5'-nucleotidohydrolase

30. 3.1.7.2 enzyme   guanosine-3',5'-bis(diphosphate) 3'-diphosphatase
                      guanosine-3',5'-bis(diphosphate) 3'-diphosphohydrolase
                      guanosine-3',5'-bis(diphosphate) 3'-pyrophosphatase
                      PpGpp phosphohydrolase
                      PpGpp-3'-pyrophosphohydrolase

31. 3.5.4.25 enzyme   guanosine triphosphate cyclohydrolase II
                      GTP cyclohydrolase II
                      GTP-8-formylhydrolase
                      GTP 7,8-8,9-dihydrolase (diphosphate-forming)

32. 4.1.1.32 enzyme   phosphopyruvate (guanosine triphosphate) carboxykinase
                      PEP carboxylase
                      phosphoenolpyruvate carboxykinase
                      phosphoenolpyruvate carboxylase
                      phosphoenolpyruvic carboxykinase
                      phosphopyruvate carboxylase
                      phosphoenolpyruvate carboxykinase (GTP)
                      phosphoenolpyruvic carboxykinase (GTP)
                      phosphoenolpyruvic carboxylase (GTP)
                      phosphopyruvate carboxylase (GTP)
                      GTP:oxaloacetate carboxy-lyase (transphosphorylating)

33. 1.1.1.135 enzyme   guanosine diphospho-6-deoxy-D-talose dehydrogenase
                      GDP-6-deoxy-D-talose 4-dehydrogenase
                      GDP-6-deoxy-D-talose:NAD(P)+ 4-oxidoreductase

34. 1.1.1.187 enzyme   guanosine diphosphate-4-keto-D-rhamnose reductase
                      GDP-4-dehydro-D-rhamnose reductase
                      GDP-4-keto-D-rhamnose reductase
                      GDP-4-keto-6-deoxy-D-mannose reductase
                      GDP-6-deoxy-D-mannose:NAD(P)+ 4-oxidoreductase

35. 2.4.1.131 enzyme   guanosine diphosphomannose-oligosaccharide-lipid mannosyltransferase
                      oligosaccharide-lipid mannosyltransferase
                      glycolipid 2-alpha-mannosyltransferase
                      GDP-mannose-oligosaccharide-lipid mannosyltransferase
                      GDP-mannose:glycolipid 1,2-alpha-D-mannosyltransferase

36. 2.4.1.142 enzyme   guanosine diphosphomannose-dolichol diphosphochitobiose  mannosyltransferase
                      chitobiosyldiphosphodolichol beta-mannosyltransferase
                      GDP-mannose-dolichol diphosphochitobiose mannosyltransferase
                      GDP-mannose:chitobiosyldiphosphodolichol beta-D-mannosyltransferase

37. 2.4.1.152 enzyme   guanosine diphosphofucose-glucoside alpha1->3-fucosyltransferase
                      galactoside 3-fucosyltransferase
                      plasma alpha-3-fucosyltransferase
                      Lewis-negative alpha-3-fucosyltransferase
                      4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase
                      GDP-L-fucose:1,4-beta-D-galactosyl-N-acetyl-D-glucosaminyl-R  3-L-fucosyltransferase
                      GDP-beta-L-fucose:1,4-beta-D-galactosyl-N-acetyl-D-glucosaminyl-R 3-L-fucosyltransferase

38. 2.4.1.36 enzyme   guanosine diphosphoglucose-glucose phosphate glucosyltransferase
                      GDP-glucose-glucose-phosphate glucosyltransferase
                      trehalose phosphate synthase (GDP-forming)
                      alpha,alpha-trehalose-phosphate synthase (GDP-forming)
                      GDP-glucose:D-glucose-6-phosphate 1-alpha-D-glucosyltransferase

39. 2.4.1.48 enzyme   guanosine diphosphomannose-heteroglycan alpha-mannosyltransferase
                      heteroglycan alpha-mannosyltransferase
                      GDP mannose alpha-mannosyltransferase
                      GDP-mannose:heteroglycan 2-(or 3-)-alpha-D-mannosyltransferase

40. 2.4.1.54 enzyme   guanosine diphosphomannose-undecaprenyl phosphate  mannosyltransferase
                      undecaprenyl-phosphate mannosyltransferase
                      GDP mannose-undecaprenyl phosphate mannosyltransferase
                      GDP-D-mannose:lipid phosphate transmannosylase
                      GDP-mannose:undecaprenyl-phosphate D-mannosyltransferase

41. 2.4.1.65 enzyme   guanosine diphosphofucose-glycoprotein 4-alpha-fucosyltransferase
                      guanosine diphosphofucose-glycoprotein 4-alpha-L-fucosyltransferase
                      guanosine diphosphofucose-beta-acetylglucosaminylsaccharide  4-alpha-L-fucosyltransferase
                      FucT-II
                      beta-acetylglucosaminylsaccharide fucosyltransferase
                      alpha-4-L-fucosyltransferase
                      alpha-(1->4)-L-fucosyltransferase
                      Lewis alpha-(1->3/4)-fucosyltransferase
                      blood group Lewis alpha-4-fucosyltransferase
                      (Le(a))-dependent (alpha-3/4)-fucosyltransferase
                      alpha(1,3/1,4) fucosyltransferase III
                      blood-group substance Le(a)-dependent fucosyltransferase
                      3-galactosyl-N-acetylglucosaminide 4-alpha-L-fucosyltransferase
                      Lewis blood group alpha-(1->3/4)-fucosyltransferase
                      3-alpha-galactosyl-N-acetylglucosaminide  4-alpha-L-fucosyltransferase
                      Lewis(Le) blood group gene-dependent  alpha-(1->3/4)-L-fucosyltransferase
                      GDP-L-fucose:3-beta-D-galactosyl-N-acetyl-D-glucosaminyl-R 4I-alpha-L-fucosyltransferase
                      GDP-beta-L-fucose:3-beta-D-galactosyl-N-acetyl-D-glucosaminyl-R  4I-alpha-L-fucosyltransferase

42. 2.4.1.83 enzyme   guanosine diphosphomannose-dolichol phosphate mannosyltransferase
                      mannosylphosphodolichol synthase
                      mannosylphosphoryldolichol synthase
                      dolichyl phosphate mannosyltransferase
                      GDP-Man:DolP mannosyltransferase
                      GDP-mannose-dolichylmonophosphate mannosyltransferase
                      dolichol phosphate mannose synthase
                      dolichyl mannosyl phosphate synthase
                      dolichyl-phosphate mannose synthase
                      dolichyl-phospho-mannose synthase
                      GDP-mannose-dolichol phosphate mannosyltransferase
                      GDP-mannose:dolichyl-phosphate mannosyltransferase
                      dolichyl-phosphate beta-D-mannosyltransferase
                      GDP-mannose:dolichyl-phosphate beta-D-mannosyltransferase

43. 2.7.1.81 enzyme   guanosine triphosphate:5-hydroxy-L-lysine O-phosphotransferase
                      hydroxylysine kinase
                      hydroxylysine kinase (phosphorylating)
                      GTP:5-hydroxy-L-lysine O-phosphotransferase

44. 2.4.1.132 enzyme   guanosine diphosphomannose-oligosaccharide-lipid II  mannosyltransferase
                      mannosyltransferase II
                      glycolipid 3-alpha-mannosyltransferase
                      GDP-mannose-oligosaccharide-lipid mannosyltransferase II
                      GDP-mannose:glycolipid 1,3-alpha-D-mannosyltransferase

45. 2.4.1.57 enzyme   guanosine diphosphomannose-phosphatidyl-inositol  alpha-mannosyltransferase
                      phosphatidylinositol alpha-mannosyltransferase
                      phosphatidyl-myo-inositol alpha-mannosyltransferase
                      GDP mannose-phosphatidyl-myo-inositol alpha-mannosyltransferase
                      GDPmannose:1-phosphatidyl-myo-inositol alpha-D-mannosyltransferase
                      GDP-mannose:1-phosphatidyl-1D-myo-inositol alpha-D-mannosyltransferase

46. 2.7.11.12 enzyme   guanosine 3':5'-cyclic monophosphate-dependent protein kinase
                      PKG
                      STK23
                      PKG 1alpha
                      PKG 1beta
                      PKG II
                      cGMP-dependent protein kinase
                      cGMP-dependent protein kinase Ibeta
                      3':5'-cyclic GMP-dependent protein kinase

47. 6.2.1.10 enzyme   acyl coenzyme A synthetase (guanosine diphosphate forming)
                      acid-CoA ligase (GDP-forming)
                      acid:CoA ligase (GDP-forming)
                      acyl-CoA synthetase (GDP-forming)

48. 6.2.1.4 enzyme   succinyl coenzyme A synthetase (guanosine diphosphate-forming)
                      SCS
                      G-STK
                      P-enzyme
                      succinate thiokinase
                      succinic thiokinase
                      succinate-phosphorylating enzyme
                      succinyl CoA synthetase
                      succinyl coenzyme A synthetase
                      succinate-CoA ligase (GDP-forming)
                      succinate:CoA ligase (GDP-forming)
                      succinyl-CoA synthetase (GDP-forming)
                      succinyl coenzyme A synthetase (GDP-forming)

49. 5.1.3.18 enzyme   guanosine 5'-diphosphate D-mannose:guanosine 5'-diphosphate  L-galactose epimerase
                      GDP-mannose 3,5-epimerase
                      GDP-mannose 3,5-epimerase
                      GDP-D-mannose:GDP-L-galactose epimerase