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.
EC 5.1: Epimerases and racemases
EC 5.1.1: Acting on Amino acids and Derivatives
- 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 5.1.2: Acting on Hydroxy acids and Derivatives
- 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
- 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 5.1.99: Acting on Other Compounds
- 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 5.2: cis-trans-Isomerases
- 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 5.3: Intramolecular Oxidoreductases
EC 5.3.1: Interconverting Aldoses and Ketoses
- 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 5.3.2: Interconverting Keto- and Enol-Groups
EC 5.3.3: Transposing C=C Bonds
- EC 5.3.3.1: Enoyl_CoA_isomerase
- EC 5.3.3.2: Isopentenyl-diphosphate_delta_isomerase
- EC 5.3.3.3: Vinylacetyl-CoA_Delta-isomerase
- EC 5.3.3.4: Muconolactone_Delta-isomerase
- EC 5.3.3.5: Cholestenol Delta-isomerase
- EC 5.3.3.6: Methylitaconate Delta-isomerase
- EC 5.3.3.7: Aconitate Delta-isomerase
- EC 5.3.3.8: Dodecenoyl-CoA_isomerase
- EC 5.3.3.9: Prostaglandin-A1 Delta-isomerase
- EC 5.3.3.10: 5-carboxymethyl-2-hydroxymuconate Delta-isomerase
- EC 5.3.3.11: Isopiperitenone Delta-isomerase
- EC 5.3.3.12: L-dopachrome isomerase
- EC 5.3.3.13: Polyenoic fatty acid isomerase
EC 5.3.4: Transposing S-S Bonds
EC 5.3.99: Other Intramolecular Oxidoreductases
- 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 5.4: Intramolecular Transferases
EC 5.4.1: Transferring Acyl Groups
EC 5.4.2: Phosphotransferases (Phosphomutases)
- 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: Beta-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
- EC 5.4.3.1: deleted
- EC 5.4.3.2: lysine 2,3-aminomutase
- EC 5.4.3.3: Beta-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 5.4.4: Transferring hydroxy groups
- 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 5.4.99: Transferring Other Groups
- 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(arrow to right)4)-a-D-glucan 1-a-D-glucosylmutase
- EC 5.4.99.16: Maltose_alpha-D-glucosyltransferase
- EC 5.4.99.17: squalene—hopene cyclase
EC 5.5: Intramolecular Lyases
- 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 5.99: Other Isomerases
- EC 5.99.1.1: thiocyanate isomerase
- EC 5.99.1.2: DNA topoisomerase
- EC 5.99.1.3: DNA topoisomerase (ATP-hydrolysing)