A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.
Isomerases
Racemases and epimerases
The following ENZYME entries belong to class 5.1.-.-:
5.1.1.1 Alanine racemase 5.1.1.2 Methionine racemase 5.1.1.3 Glutamate racemase 5.1.1.4 Proline racemase 5.1.1.5 Lysine racemase 5.1.1.6 Threonine racemase 5.1.1.7 Diaminopimelate epimerase 5.1.1.8 4-hydroxyproline epimerase 5.1.1.9 Arginine racemase 5.1.1.10 Amino-acid racemase 5.1.1.11 Phenylalanine racemase (ATP-hydrolyzing) 5.1.1.12 Ornithine racemase 5.1.1.13 Aspartate racemase 5.1.1.14 Nocardicin-A epimerase 5.1.1.15 2-aminohexano-6-lactam racemase 5.1.1.16 Protein-serine epimerase 5.1.1.17 Isopenicillin-N epimerase 5.1.1.18 Serine racemase 5.1.1.19 O-ureido-serine racemase 5.1.1.20 L-Ala-D/L-Glu epimerase 5.1.1.21 Isoleucine 2-epimerase 5.1.1.22 4-hydroxyproline betaine 2-epimerase 5.1.1.n1 Transferred entry: 5.1.1.20 5.1.2.1 Lactate racemase 5.1.2.2 Mandelate racemase 5.1.2.3 3-hydroxybutyryl-CoA epimerase 5.1.2.4 Acetoin racemase 5.1.2.5 Tartrate epimerase 5.1.2.6 Isocitrate epimerase 5.1.2.7 Tagaturonate epimerase 5.1.3.1 Ribulose-phosphate 3-epimerase 5.1.3.2 UDP-glucose 4-epimerase 5.1.3.3 Aldose 1-epimerase 5.1.3.4 L-ribulose-5-phosphate 4-epimerase 5.1.3.5 UDP-arabinose 4-epimerase 5.1.3.6 UDP-glucuronate 4-epimerase 5.1.3.7 UDP-N-acetylglucosamine 4-epimerase 5.1.3.8 N-acylglucosamine 2-epimerase 5.1.3.9 N-acylglucosamine-6-phosphate 2-epimerase 5.1.3.10 CDP-paratose 2-epimerase 5.1.3.11 Cellobiose epimerase 5.1.3.12 UDP-glucuronate 5'-epimerase 5.1.3.13 dTDP-4-dehydrorhamnose 3,5-epimerase 5.1.3.14 UDP-N-acetylglucosamine 2-epimerase (non-hydrolyzing) 5.1.3.15 Glucose-6-phosphate 1-epimerase 5.1.3.16 UDP-glucosamine 4-epimerase 5.1.3.17 Heparosan-N-sulfate-glucuronate 5-epimerase 5.1.3.18 GDP-mannose 3,5-epimerase 5.1.3.19 Chondroitin-glucuronate 5-epimerase 5.1.3.20 ADP-glyceromanno-heptose 6-epimerase 5.1.3.21 Maltose epimerase 5.1.3.22 L-ribulose-5-phosphate 3-epimerase 5.1.3.23 UDP-2,3-diacetamido-2,3-dideoxyglucuronic acid 2-epimerase 5.1.3.24 N-acetylneuraminate epimerase 5.1.3.25 dTDP-L-rhamnose 4-epimerase 5.1.3.26 N-acetyl-alpha-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol 4-epimerase 5.1.3.27 dTDP-4-dehydro-6-deoxy-D-glucose 3-epimerase 5.1.3.28 UDP-N-acetyl-L-fucosamine synthase 5.1.3.29 L-fucose mutarotase 5.1.3.30 D-psicose 3-epimerase 5.1.3.31 D-tagatose 3-epimerase 5.1.3.32 L-rhamnose mutarotase 5.1.3.33 2-epi-5-epi-valiolone epimerase 5.1.3.34 Monoglucosyldiacylglycerol epimerase 5.1.3.35 2-epi-5-epi-valiolone 7-phosphate 2-epimerase 5.1.3.36 Heparosan-glucuronate 5-epimerase 5.1.3.37 Mannuronan 5-epimerase 5.1.3.38 D-erythrulose 1-phosphate 3-epimerase 5.1.3.39 Deleted entry 5.1.3.40 D-tagatose 6-phosphate 4-epimerase 5.1.3.41 Fructoselysine 3-epimerase 5.1.3.42 D-glucosamine-6-phosphate 4-epimerase 5.1.3.n1 Transferred entry: 5.1.3.24 5.1.3.n2 Transferred entry: 5.1.3.29 5.1.3.n3 Transferred entry: 5.1.3.32 5.1.99.1 Methylmalonyl-CoA epimerase 5.1.99.2 16-hydroxysteroid epimerase 5.1.99.3 Allantoin racemase 5.1.99.4 Alpha-methylacyl-CoA racemase 5.1.99.5 Hydantoin racemase 5.1.99.6 NAD(P)H-hydrate epimerase 5.1.99.7 Dihydroneopterin triphosphate 2'-epimerase 5.1.99.8 7,8-dihydroneopterin epimerase