List of EC numbers (EC 5)

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
• isopenicillin-N epimerase
• EC 5.1.1.18: serine racemase
• EC 5.1.1.20: L-Ala-D/L-Glu epimerase *
• EC 5.1.1.21: isoleucine 2-epimerase *
• EC 5.1.1.22: 4-hydroxyproline betaine 2-epimerase *
• EC 5.1.1.23: UDP-N-acetyl-α-D-muramoyl-L-alanyl-L-glutamate epimerase *
• EC 5.1.1.24: histidine racemase *

*No Wikipedia article

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 5.1.2.7: tagaturonate epimerase *

*No Wikipedia article

EC 5.1.3: Acting on

Carbohydrates

and Derivatives

• 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: The enzyme has never been purified and the activity was later shown not to exist
• EC 5.1.3.13: dTDP-4-dehydrorhamnose 3,5-epimerase
• EC 5.1.3.14: UDP-N-acetylglucosamine 2-epimerase (non-hydrolysing)
• 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-epimeras
• 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 5.1.3.26: N-acetyl-α-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol 4-epimerase *
• EC 5.1.3.27: dTDP-4-dehydro-6-deoxy-D-glucose 3-epimerase *
• EC 5.1.3.28: UDP-N-acetyl-L-fucosamine synthase *
• EC 5.1.3.29: L-fucose mutarotase *
• EC 5.1.3.30: D-psicose 3-epimerase *
• EC 5.1.3.31: D-tagatose 3-epimerase *
• EC 5.1.3.32: L-rhamnose mutarotase *
• EC 5.1.3.33: 2-epi-5-epi-valiolone epimerase *
• EC 5.1.3.34: monoglucosyldiacylglycerol epimerase *
• EC 5.1.3.35: 2-epi-5-epi-valiolone 7-phosphate 2-epimerase *
• EC 5.1.3.36: heparosan-glucuronate 5-epimerase *
• EC 5.1.3.37: mannuronan 5-epimerase *
• EC 5.1.3.38: D-erythrulose 1-phosphate 3-epimerase *
• EC 5.1.3.39: L-erythrulose 4-phosphate epimerase. The activity has been shown not to take place. *
• EC 5.1.3.40: D-tagatose 6-phosphate 4-epimerase *
• EC 5.1.3.41: fructoselysine 3-epimerase *
• EC 5.1.3.42: D-glucosamine-6-phosphate 4-epimerase *
• EC 5.1.3.43: sulfoquinovose mutarotase *
• EC 5.1.3.44: mannose 2-epimerase *

*No Wikipedia article

EC 5.1.99: Acting on Other Compounds

• methylmalonyl-CoA epimerase
• EC 5.1.99.2: 16-hydroxysteroid epimerase
• EC 5.1.99.3: allantoin racemase
• α-methylacyl-CoA racemase
• EC 5.1.99.5: hydantoin racemase
• EC 5.1.99.6: NAD(P)H-hydrate epimerase
• EC 5.1.99.7: dihydroneopterin triphosphate 2′-epimerase *
• EC 5.1.99.8: 7,8-dihydroneopterin epimerase *

*No Wikipedia article

EC 5.2: cis-trans-Isomerases

EC 5.2.1: cis-trans Isomerases (only sub-subclass identified to date)

• EC 5.2.1.1: maleate isomerase
• EC 5.2.1.2: maleylacetoacetate isomerase
• EC 5.2.1.3: Now known to be catalysed by a pathway involving EC 1.1.1.300, NADP-retinol dehydrogenase; EC 2.3.1.135, phosphatidylcholine—retinol O-acyltransferase; EC 3.1.1.64, retinoid isomerohydrolase; and EC 1.1.1.315, 11-cis-retinol dehydrogenase.
• 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: transferred to EC 3.1.1.64, retinoid isomerohydrolase
• 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: The existence of this enzyme has been called into question by one of the authors of the reference cited
• EC 5.2.1.12: ζ-carotene isomerase
• EC 5.2.1.13: prolycopene isomerase
• EC 5.2.1.14: β-carotene isomerase

EC 5.3: Intramolecular Oxidoreductases

EC 5.3.1: Interconverting Aldoses and Ketoses

• triose-phosphate isomerase
• EC 5.3.1.2: deleted
• EC 5.3.1.3: D-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
• mannose-6-phosphate isomerase
• EC 5.3.1.9: glucose-6-phosphate isomerase
• EC 5.3.1.10: Now EC 3.5.99.6, glucosamine-6-phosphate deaminase
• 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: 5-dehydro-4-deoxy-D-glucuronate isomerase
• EC 5.3.1.18: deleted: reaction is due to EC 5.3.1.9 glucose-6-phosphate isomerase, in the presence of arsenate, or EC 5.3.1.5 xylose isomerase
• EC 5.3.1.19: Now EC 2.6.1.16, glutamine—fructose-6-phosphate transaminase (isomerizing)
• EC 5.3.1.20: ribose isomerase
• EC 5.3.1.21: corticosteroid side-chain-isomerase
• EC 5.3.1.22: hydroxypyruvate isomerase
• S-methyl-5-thioribose-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 5.3.1.29: ribose 1,5-bisphosphate isomerase *
• EC 5.3.1.30: 5-deoxy-glucuronate isomerase *
• EC 5.3.1.31: sulfoquinovose isomerase *
• EC 5.3.1.32: (4S)-4-hydroxy-5-phosphooxypentane-2,3-dione isomerase *
• EC 5.3.1.33: L-erythrulose 1-phosphate isomerase *
• EC 5.3.1.34: D-erythrulose 4-phosphate isomerase *
• EC 5.3.1.35: 2-dehydrotetronate isomerase *
• EC 5.3.1.36: D-apiose isomerase *

*No Wikipedia article

EC 5.3.2: Interconverting Keto- and Enol-Groups

• EC 5.3.2.1: phenylpyruvate tautomerase
• EC 5.3.2.2: oxaloacetate tautomerase
• EC 5.3.2.3: TDP-4-oxo-6-deoxy-α-glucose-3,4-oxoisomerase (dTDP-3-dehydro-6-deoxy-α-D-galactopyranose-forming)
• EC 5.3.2.4: TDP-4-oxo-6-deoxy-α-D-glucose-3,4-oxoisomerase (dTDP-3-dehydro-6-deoxy-α-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

• steroid Δ-isomerase
• isopentenyl-diphosphate Δ-isomerase
• vinylacetyl-CoA Δ-isomerase
• muconolactone Δ-isomerase
• cholestenol Δ-isomerase
• methylitaconate Δ-isomerase
• aconitate Δ-isomerase
• Δ³-Δ²-enoyl-CoA isomerase
• prostaglandin-A₁ Δ-isomerase
• 5-carboxymethyl-2-hydroxymuconate Δ-isomerase
• isopiperitenone Δ-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: Now EC 5.3.2.7, ascopyrone tautomerase
• EC 5.3.3.16: Now EC 5.3.2.8, 4-oxalomesaconate tautomerase
• 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 5.3.3.19: 3-[(4R)-4-hydroxycyclohexa-1,5-dien-1-yl]-2-oxopropanoate isomerase *
• EC 5.3.3.20: Now EC 5.4.99.64, 2-hydroxyisobutanoyl-CoA mutase
• EC 5.3.3.21: Δ^3,5-Δ^2,4-dienoyl-CoA isomerase *
• EC 5.3.3.22: lutein isomerase *
• EC 5.3.3.23: S-methyl-5-thioribulose 1-phosphate isomerase *

*No Wikipedia article

EC 5.3.4: Transposing S-S Bonds

• EC 5.3.4.1: protein disulfide-isomerase

EC 5.3.99: Other Intramolecular Oxidoreductases

• EC 5.3.99.1: deleted, reaction due to combined action of EC 4.2.1.92 (hydroperoxide dehydratase) and EC 5.3.99.6 (allene-oxide cyclase)
• EC 5.3.99.2: prostaglandin-D synthase
• prostaglandin-E synthase
• prostaglandin-I synthase
• EC 5.3.99.5: thromboxane-A synthase
• 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 5.3.99.11: 2-keto-myo-inositol isomerase *

*No Wikipedia article

EC 5.4: Intramolecular Transferases

EC 5.4.1: Transferring Acyl Groups

• EC 5.4.1.1: lysolecithin acylmutase
• EC 5.4.1.2: Now EC 5.4.99.61, precorrin-8X methylmutase
• EC 5.4.1.3: 2-methylfumaryl-CoA isomerase *
• EC 5.4.1.4: D-galactarolactone isomerase *

*No Wikipedia article

EC 5.4.2: Phosphotransferases (Phosphomutases)

• EC 5.4.2.1: Now recognized as two separate enzymes EC 5.4.2.11, phosphoglycerate mutase (2,3-diphosphoglycerate-dependent) and EC 5.4.2.12, phosphoglycerate mutase (2,3-diphosphoglycerate-independent)
• EC 5.4.2.2: phosphoglucomutase (α-D-glucose-1,6-bisphosphate-dependent)
• EC 5.4.2.3: phosphoacetylglucosamine mutase
• EC 5.4.2.4: bisphosphoglycerate mutase
• EC 5.4.2.5: phosphoglucomutase (glucose-cofactor)
• β-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 5.4.2.11: phosphoglycerate mutase (2,3-diphosphoglycerate-dependent)
• EC 5.4.2.12: phosphoglycerate mutase (2,3-diphosphoglycerate-independent)
• EC 5.4.2.13: phosphogalactosamine mutase *

*No Wikipedia article

EC 5.4.3: Transferring Amino Groups

• EC 5.4.3.1: deleted; this reaction was due to a mixture of EC 5.1.1.12 (ornithine racemase) and EC 5.4.3.5 (D-ornithine 4,5-aminomutase)
• EC 5.4.3.2: lysine 2,3-aminomutase
• lysine 5,6-aminomutase
• EC 5.4.3.4: Now included in EC 5.4.3.3, 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 5.4.3.10: phenylalanine aminomutase (L-β-phenylalanine forming) *
• EC 5.4.3.11: phenylalanine aminomutase (D-β-phenylalanine forming) *

*No Wikipedia article

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 5.4.4.4: 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 5.4.4.7: hydroperoxy icosatetraenoate isomerase *
• EC 5.4.4.8: linalool isomerase *

*No Wikipedia article

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, isochorismate synthase
• 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: Now included with EC 5.4.99.11, isomaltulose synthase
• EC 5.4.99.11: isomaltulose synthase
• EC 5.4.99.12: tRNA pseudouridine^38-40 synthase
• 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)-α-D-glucan 1-α-D-glucosylmutase
• maltose α-D-glucosyltransferase
• 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 pseudouridine^{1911/1915/1917} synthase
• EC 5.4.99.24: 23S rRNA pseudouridine^{955/2504/2580} 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: RNA 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: β-amyrin synthase
• EC 5.4.99.40: α-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 pseudouridine^27/28 synthase
• EC 5.4.99.45: tRNA pseudouridine^38/39 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: α-seco-amyrin synthase
• EC 5.4.99.53: marneral synthase
• EC 5.4.99.54: β-seco-amyrin synthase
• EC 5.4.99.55: δ-amyrin synthase
• EC 5.4.99.56: tirucalladienol synthase
• EC 5.4.99.57: baruol synthase
• EC 5.4.99.58: methylornithine synthase
• EC 5.4.99.59: dTDP-fucopyranose mutase *
• EC 5.4.99.60: cobalt-precorrin-8 methylmutase *
• EC 5.4.99.61: precorrin-8X methylmutase *
• EC 5.4.99.62: D-ribose pyranase *
• EC 5.4.99.63: ethylmalonyl-CoA mutase *
• EC 5.4.99.64: 2-hydroxyisobutanoyl-CoA mutase *
• EC 5.4.99.65: pre-α-onocerin synthase *
• EC 5.4.99.66: α-onocerin synthase *
• EC 5.4.99.67: 4-amino-4-deoxychorismate mutase *

*No Wikipedia article

EC 5.5: Intramolecular Lyases

EC 5.5.1: Intramolecular lyases (only sub-subclass identified to date)

• 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
• α-pinene-oxide decyclase
• EC 5.5.1.11: dichloromuconate cycloisomerase
• EC 5.5.1.12: copalyl diphosphate synthase
• 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)-β-macrocarpene synthase
• EC 5.5.1.18: lycopene ε-cyclase
• EC 5.5.1.19: lycopene β-cyclase
• EC 5.5.1.20: prosolanapyrone-III cycloisomerase
• EC 5.5.1.21: copal-8-ol diphosphate synthase. The enzyme was discovered at the public-review stage to have been misclassified and so was withdrawn. See EC 4.2.1.133, copal-8-ol diphosphate hydratase
• EC 5.5.1.22: (–)-bornyl diphosphate synthase *
• EC 5.5.1.23: aklanonic acid methyl ester cyclase *
• EC 5.5.1.24: tocopherol cyclase *
• EC 5.5.1.25: 3,6-anhydro-L-galactonate cycloisomerase *
• EC 5.5.1.26: nogalonic acid methyl ester cyclase *
• EC 5.5.1.27: D-galactarolactone cycloisomerase *
• EC 5.5.1.28: (–)-kolavenyl diphosphate synthase *
• EC 5.5.1.29: (+)-kolavenyl diphosphate synthase *
• EC 5.5.1.30: labda-7,13-dienyl diphosphate synthase *
• EC 5.5.1.31: hapalindole H synthase *
• EC 5.5.1.32: 12-epi-hapalindole U synthase *
• EC 5.5.1.33: 12-epi-fischerindole U synthase *
• EC 5.5.1.34: (+)-cis,trans-nepetalactol synthase *
• EC 5.5.1.35: (+)-cis,cis-nepetalactol synthase *

*No Wikipedia article

EC 5.6: Isomerases altering macromolecular conformation

EC 5.6.1: Enzymes altering polypeptide conformation or assembly

• EC 5.6.1.1: microtubule-severing ATPase
• EC 5.6.1.2: dynein ATPase
• EC 5.6.1.3: plus-end-directed kinesin ATPase
• EC 5.6.1.4: minus-end-directed kinesin ATPase
• EC 5.6.1.5: proteasome ATPase
• EC 5.6.1.6: channel-conductance-controlling ATPase
• EC 5.6.1.7: chaperonin ATPase
• EC 5.6.1.8: myosin ATPase
• EC 5.6.1.9: (R)-2-hydroxyacyl-CoA dehydratase activating ATPase *

*No Wikipedia article

EC 5.6.2: Enzymes altering nucleic acid conformation

• DNA topoisomerase
• DNA topoisomerase
  (ATP-hydrolyzing)
• DNA 5'-3' helicase
• DNA 3'-5' helicase

EC 5.99: Other Isomerases

EC 5.99.1: Sole sub-subclass for isomerases that do not belong in the other subclasses

• EC 5.99.1.1: thiocyanate isomerase
• EC 5.99.1.2: Now EC 5.6.2.1, DNA topoisomerase
• EC 5.99.1.3: Now EC 5.6.2.2, DNA topoisomerase (ATP-hydrolysing)
• EC 5.99.1.4: 2-hydroxychromene-2-carboxylate isomerase

References