List of EC numbers (EC 5)
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This list contains a list of EC numbers for the fifth group, EC 5, isomerases, placed in numerical order as determined by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology.
Contents
EC 5.1: Epimerases and racemases[edit]
EC 5.1.1: Acting on Amino acids and Derivatives[edit]
- EC 5.1.1.1: alanine racemase
- EC 5.1.1.2: methionine racemase
- EC 5.1.1.3: glutamate racemase
- EC 5.1.1.4: proline racemase
- EC 5.1.1.5: lysine racemase
- EC 5.1.1.6: threonine racemase
- EC 5.1.1.7: diaminopimelate epimerase
- EC 5.1.1.8: 4-hydroxyproline epimerase
- EC 5.1.1.9: arginine racemase
- EC 5.1.1.10: amino-acid racemase
- EC 5.1.1.11: phenylalanine racemase (ATP-hydrolysing)
- EC 5.1.1.12: ornithine racemase
- EC 5.1.1.13: aspartate racemase
- EC 5.1.1.14: nocardicin-A epimerase
- EC 5.1.1.15: 2-aminohexano-6-lactam racemase
- EC 5.1.1.16: protein-serine epimerase
- EC 5.1.1.17: isopenicillin-N epimerase
- EC 5.1.1.18: serine racemase
EC 5.1.2: Acting on Hydroxy acids and Derivatives[edit]
- EC 5.1.2.1: lactate racemase
- EC 5.1.2.2: mandelate racemase
- EC 5.1.2.3: 3-hydroxybutyryl-CoA epimerase
- EC 5.1.2.4: acetoin racemase
- EC 5.1.2.5: tartrate epimerase
- EC 5.1.2.6: isocitrate epimerase
EC 5.1.3: Acting on Carbohydrates and Derivatives[edit]
- EC 5.1.3.1: ribulose-phosphate 3-epimerase
- EC 5.1.3.2: UDP-glucose 4-epimerase
- EC 5.1.3.3: aldose 1-epimerase
- EC 5.1.3.4: L-ribulose-5-phosphate 4-epimerase
- EC 5.1.3.5: UDP-arabinose 4-epimerase
- EC 5.1.3.6: UDP-glucuronate 4-epimerase
- EC 5.1.3.7: UDP-N-acetylglucosamine 4-epimerase
- EC 5.1.3.8: N-acylglucosamine 2-epimerase
- EC 5.1.3.9: N-acylglucosamine-6-phosphate 2-epimerase
- EC 5.1.3.10: CDP-paratose 2-epimerase
- EC 5.1.3.11: cellobiose epimerase
- EC 5.1.3.12: UDP-glucuronate 5'-epimerase
- EC 5.1.3.13: dTDP-4-dehydrorhamnose 3,5-epimerase
- EC 5.1.3.14: UDP-N-acetylglucosamine 2-epimerase
- EC 5.1.3.15: glucose-6-phosphate 1-epimerase
- EC 5.1.3.16: UDP-glucosamine 4-epimerase
- EC 5.1.3.17: heparosan-N-sulfate-glucuronate 5-epimerase
- EC 5.1.3.18: GDP-mannose 3,5-epimerase
- EC 5.1.3.19: chondroitin-glucuronate 5-epimerase
- EC 5.1.3.20: ADP-glyceromanno-heptose 6-epimerase
- EC 5.1.3.21: maltose epimerase
- EC 5.1.3.22: L-ribulose-5-phosphate 3-epimerase
- EC 5.1.3.23: UDP-2,3-diacetamido-2,3-dideoxyglucuronic acid 2-epimerase
- EC 5.1.3.24: N-acetylneuraminate epimerase
- EC 5.1.3.25: dTDP-L-rhamnose 4-epimerase
EC 5.1.99: Acting on Other Compounds[edit]
- EC 5.1.99.1: methylmalonyl-CoA epimerase
- EC 5.1.99.2: 16-hydroxysteroid epimerase
- EC 5.1.99.3: allantoin racemase
- EC 5.1.99.4: a-methylacyl-CoA racemase
- EC 5.1.99.5: hydantoin racemase
- EC 5.1.99.6: NAD(P)H-hydrate epimerase
EC 5.2: cis-trans-Isomerases[edit]
- EC 5.2.1.1: maleate isomerase
- EC 5.2.1.2: maleylacetoacetate isomerase
- EC 5.2.1.3: retinal isomerase
- EC 5.2.1.4: maleylpyruvate isomerase
- EC 5.2.1.5: linoleate isomerase
- EC 5.2.1.6: furylfuramide isomerase
- EC 5.2.1.7: retinol isomerase
- EC 5.2.1.8: peptidylprolyl isomerase
- EC 5.2.1.9: farnesol 2-isomerase
- EC 5.2.1.10: 2-chloro-4-carboxymethylenebut-2-en-1,4-olide isomerase
- EC 5.2.1.11: deleted entry
- EC 5.2.1.12: zeta-carotene isomerase
- EC 5.2.1.13: prolycopene isomerase
- EC 5.2.1.14: beta-carotene isomerase
EC 5.3: Intramolecular Oxidoreductases[edit]
EC 5.3.1: Interconverting Aldoses and Ketoses[edit]
- EC 5.3.1.1: triose-phosphate isomerase
- EC 5.3.1.2: deleted
- EC 5.3.1.3: arabinose isomerase
- EC 5.3.1.4: L-arabinose isomerase
- EC 5.3.1.5: xylose isomerase
- EC 5.3.1.6: ribose-5-phosphate isomerase
- EC 5.3.1.7: mannose isomerase
- EC 5.3.1.8: mannose-6-phosphate isomerase
- EC 5.3.1.9: glucose-6-phosphate isomerase
- EC 5.3.1.10: now EC 3.5.99.6
- EC 5.3.1.11: deleted
- EC 5.3.1.12: glucuronate isomerase
- EC 5.3.1.13: arabinose-5-phosphate isomerase
- EC 5.3.1.14: L-rhamnose isomerase
- EC 5.3.1.15: D-lyxose ketol-isomerase
- EC 5.3.1.16: 1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase
- EC 5.3.1.17: 4-deoxy-L-threo-5-hexosulose-uronate ketol-isomerase
- EC 5.3.1.18: deleted
- EC 5.3.1.19: now EC 2.6.1.16
- EC 5.3.1.20: ribose isomerase
- EC 5.3.1.21: corticosteroid side-chain-isomerase
- EC 5.3.1.22: hydroxypyruvate isomerase
- EC 5.3.1.23: 5-methylthioribose-1-phosphate isomerase
- EC 5.3.1.24: phosphoribosylanthranilate isomerase
- EC 5.3.1.25: L-fucose isomerase
- EC 5.3.1.26: galactose-6-phosphate isomerase
- EC 5.3.1.27: 6-phospho-3-hexuloisomerase
- EC 5.3.1.28: D-sedoheptulose 7-phosphate isomerase
EC 5.3.2: Interconverting Keto- and Enol-Groups[edit]
- EC 5.3.2.1: phenylpyruvate tautomerase
- EC 5.3.2.2: oxaloacetate tautomerase
- EC 5.3.2.3: TDP-4-oxo-6-deoxy-alpha-D-glucose-3,4-oxoisomerase (dTDP-3-dehydro-6-deoxy-alpha-D-galactopyranose-forming)
- EC 5.3.2.4: TDP-4-oxo-6-deoxy-alpha-D-glucose-3,4-oxoisomerase (dTDP-3-dehydro-6-deoxy-alpha-D-glucopyranose-forming)
- EC 5.3.2.5: 2,3-diketo-5-methylthiopentyl-1-phosphate enolase
- EC 5.3.2.6: 2-hydroxymuconate tautomerase
- EC 5.3.2.7: Ascopyrone tautomerase
- EC 5.3.2.8: 4-oxalomesaconate tautomerase
EC 5.3.3: Transposing C=C Bonds[edit]
- EC 5.3.3.1: steroid D-isomerase
- EC 5.3.3.2: isopentenyl-diphosphate D-isomerase
- EC 5.3.3.3: vinylacetyl-CoA D-isomerase
- EC 5.3.3.4: muconolactone D-isomerase
- EC 5.3.3.5: cholestenol D-isomerase
- EC 5.3.3.6: methylitaconate D-isomerase
- EC 5.3.3.7: aconitate D-isomerase
- EC 5.3.3.8: dodecenoyl-CoA D-isomerase
- EC 5.3.3.9: prostaglandin-A1 D-isomerase
- EC 5.3.3.10: 5-carboxymethyl-2-hydroxymuconate D-isomerase
- EC 5.3.3.11: isopiperitenone D-isomerase
- EC 5.3.3.12: L-dopachrome isomerase
- EC 5.3.3.13: polyenoic fatty acid isomerase
- EC 5.3.3.14: trans-2-decenoyl-(acyl-carrier protein) isomerase
- EC 5.3.3.15: ascopyrone tautomerase, now EC 5.3.2.7
- EC 5.3.3.16: 4-oxalomesaconate tautomerase, now EC 5.3.2.8
- EC 5.3.3.17: trans-2,3-dihydro-3-hydroxyanthranilate isomerase
- EC 5.3.3.18: 2-(1,2-epoxy-1,2-dihydrophenyl)acetyl-CoA isomerase
EC 5.3.4: Transposing S-S Bonds[edit]
EC 5.3.99: Other Intramolecular Oxidoreductases[edit]
- EC 5.3.99.1: deleted
- EC 5.3.99.2: prostaglandin-D synthase
- EC 5.3.99.3: prostaglandin-E synthase
- EC 5.3.99.4: prostaglandin-I synthase
- EC 5.3.99.5: thromboxane-A synthase
- EC 5.3.99.6: allene-oxide cyclase
- EC 5.3.99.7: styrene-oxide isomerase
- EC 5.3.99.8: capsanthin/capsorubin synthase
- EC 5.3.99.9: neoxanthin synthase
- EC 5.3.99.10: thiazole tautomerase
EC 5.4: Intramolecular Transferases[edit]
EC 5.4.1: Transferring Acyl Groups[edit]
EC 5.4.2: Phosphotransferases (Phosphomutases)[edit]
- EC 5.4.2.1: phosphoglycerate mutase
- EC 5.4.2.2: phosphoglucomutase
- EC 5.4.2.3: phosphoacetylglucosamine mutase
- EC 5.4.2.4: bisphosphoglycerate mutase
- EC 5.4.2.5: phosphoglucomutase (glucose-cofactor)
- EC 5.4.2.6: b-phosphoglucomutase
- EC 5.4.2.7: phosphopentomutase
- EC 5.4.2.8: phosphomannomutase
- EC 5.4.2.9: phosphoenolpyruvate mutase
- EC 5.4.2.10: phosphoglucosamine mutase
EC 5.4.3: Transferring Amino Groups[edit]
- EC 5.4.3.1: deleted
- EC 5.4.3.2: lysine 2,3-aminomutase
- EC 5.4.3.3: b-lysine 5,6-aminomutase
- EC 5.4.3.4: D-lysine 5,6-aminomutase
- EC 5.4.3.5: D-ornithine 4,5-aminomutase
- EC 5.4.3.6: tyrosine 2,3-aminomutase
- EC 5.4.3.7: leucine 2,3-aminomutase
- EC 5.4.3.8: glutamate-1-semialdehyde 2,1-aminomutase
- EC 5.4.3.9: glutamate 2,3-aminomutase
EC 5.4.4: Transferring hydroxy groups[edit]
- EC 5.4.4.1: (hydroxyamino)benzene mutase
- EC 5.4.4.2: isochorismate synthase
- EC 5.4.4.3: 3-(hydroxyamino)phenol mutase
- EC 5.4.4.4: geraniol isomerase
- EC 5.4.4.5: 9,12-octadecadienoate 8-hydroperoxide 8R-isomerase
- EC 5.4.4.6: 9,12-octadecadienoate 8-hydroperoxide 8S-isomerase
EC 5.4.99: Transferring Other Groups[edit]
- EC 5.4.99.1: methylaspartate mutase
- EC 5.4.99.2: methylmalonyl-CoA mutase
- EC 5.4.99.3: 2-acetolactate mutase
- EC 5.4.99.4: 2-methyleneglutarate mutase
- EC 5.4.99.5: chorismate mutase
- EC 5.4.99.6: now EC 5.4.4.2
- EC 5.4.99.7: lanosterol synthase
- EC 5.4.99.8: cycloartenol synthase
- EC 5.4.99.9: UDP-galactopyranose mutase
- EC 5.4.99.10: deleted, included in EC 5.4.99.11
- EC 5.4.99.11: isomaltulose synthase
- EC 5.4.99.12: tRNA-pseudouridine synthase I
- EC 5.4.99.13: isobutyryl-CoA mutase
- EC 5.4.99.14: 4-carboxymethyl-4-methylbutenolide mutase
- EC 5.4.99.15: (1→4)-a-D-glucan 1-a-D-glucosylmutase
- EC 5.4.99.16: maltose a-D-glucosyltransferase
- EC 5.4.99.17: squalene—hopene cyclase
- EC 5.4.99.18: 5-(carboxyamino)imidazole ribonucleotide mutase
- EC 5.4.99.19: 16S rRNA pseudouridine516 synthase
- EC 5.4.99.20: 23S rRNA pseudouridine2457 synthase
- EC 5.4.99.21: 23S rRNA pseudouridine2604 synthase
- EC 5.4.99.22: 23S rRNA pseudouridine2605 synthase
- EC 5.4.99.23: 23S rRNA pseudouridine1911/1915/1917 synthase
- EC 5.4.99.24: 23S rRNA pseudouridine955/2504/2580 synthase
- EC 5.4.99.25: tRNA pseudouridine55 synthase
- EC 5.4.99.26: tRNA pseudouridine65 synthase
- EC 5.4.99.27: tRNA pseudouridine13 synthase
- EC 5.4.99.28: tRNA pseudouridine32 synthase
- EC 5.4.99.29: 23S rRNA pseudouridine746 synthase
- EC 5.4.99.30: UDP-arabinopyranose mutase
- EC 5.4.99.31: thalianol synthase
- EC 5.4.99.32: protostadienol synthase
- EC 5.4.99.33: cucurbitadienol synthase
- EC 5.4.99.34: germanicol synthase
- EC 5.4.99.35: taraxerol synthase
- EC 5.4.99.36: isomultiflorenol synthase
- EC 5.4.99.37: dammaradiene synthase
- EC 5.4.99.38: camelliol C synthase
- EC 5.4.99.39: beta-amyrin synthase
- EC 5.4.99.40: alpha-amyrin synthase
- EC 5.4.99.41: lupeol synthase
- EC 5.4.99.42: tRNA pseudouridine31 synthase
- EC 5.4.99.43: 21S rRNA pseudouridine2819 synthase
- EC 5.4.99.44: mitochondrial tRNA pseudouridine27/28 synthase
- EC 5.4.99.45: tRNA pseudouridine38/39 synthase
- EC 5.4.99.46: shionone synthase
- EC 5.4.99.47: parkeol synthase
- EC 5.4.99.48: achilleol B synthase
- EC 5.4.99.49: glutinol synthase
- EC 5.4.99.50: friedelin synthase
- EC 5.4.99.51: baccharis oxide synthase
- EC 5.4.99.52: alpha-seco-amyrin synthase
- EC 5.4.99.53: marneral synthase
- EC 5.4.99.54: beta-seco-amyrin synthase
- EC 5.4.99.55: delta-amyrin synthase
- EC 5.4.99.56: tirucalladienol synthase
- EC 5.4.99.57: baruol synthase
- EC 5.4.99.58: methylornithine synthase
EC 5.5: Intramolecular Lyases[edit]
- EC 5.5.1.1: muconate cycloisomerase
- EC 5.5.1.2: 3-carboxy-cis,cis-muconate cycloisomerase
- EC 5.5.1.3: tetrahydroxypteridine cycloisomerase
- EC 5.5.1.4: inositol-3-phosphate synthase
- EC 5.5.1.5: carboxy-cis,cis-muconate cyclase
- EC 5.5.1.6: chalcone isomerase
- EC 5.5.1.7: chloromuconate cycloisomerase
- EC 5.5.1.8: bornyl diphosphate synthase
- EC 5.5.1.9: cycloeucalenol cycloisomerase
- EC 5.5.1.10: a-pinene-oxide decyclase
- EC 5.5.1.11: dichloromuconate cycloisomerase
- EC 5.5.1.12: copalyl diphosphate synthase
- EC 5.5.1.13: ent-copalyl diphosphate synthase
- EC 5.5.1.14: syn-copalyl-diphosphate synthase
- EC 5.5.1.15: terpentedienyl-diphosphate synthase
- EC 5.5.1.16: halimadienyl-diphosphate synthase
- EC 5.5.1.17: (S)-beta-macrocarpene synthase
- EC 5.5.1.18: lycopene epsilon-cyclase
- EC 5.5.1.19: lycopene beta-cyclase
- EC 5.5.1.20: prosolanapyrone-III cycloisomerase
EC 5.99: Other Isomerases[edit]
- EC 5.99.1.1: thiocyanate isomerase
- EC 5.99.1.2: DNA topoisomerase
- EC 5.99.1.3: DNA topoisomerase (ATP-hydrolysing)
- EC 5.99.1.4: 2-hydroxychromene-2-carboxylate isomerase
