| Enzyme |
| lysozyme | 21489 | |
| peroxidase | 917 | |
| superoxide dismutase | 506 | |
| trypsin | 477 | |
| catalase | 440 | |
| alkaline phosphatase | 390 | |
| RNase | 366 | |
| acid phosphatase | 347 | |
| beta-glucuronidase | 292 | |
| RNase | 284 | |
| chymotrypsin | 213 | |
| ribonuclease | 207 | |
| ribonuclease | 207 | |
| lactate dehydrogenase | 185 | |
| glutathione peroxidase | 184 | |
| lipase | 174 | |
| ACS | 144 | |
| pepsin | 144 | |
| elastase | 137 | |
| chitinase | 113 | |
| aspartate aminotransferase | 104 | |
| alanine aminotransferase | 103 | |
| DNase | 92 | |
| proteinase K | 90 | |
| ERK | 88 | |
| beta-galactosidase | 83 | |
| ceruloplasmin | 80 | |
| ATPase | 78 | |
| RNA polymerase | 78 | |
| phospholipase A2 | 76 | |
| papain | 74 | |
| alpha-amylase | 72 | |
| deaminase | 66 | |
| lysin | 64 | |
| ACE | 63 | |
| collagenase | 62 | |
| carbonic anhydrase | 59 | |
| glutathione S-transferase | 58 | |
| CD10 | 56 | |
| APC | 56 | |
| protein kinase | 54 | |
| proteasome | 53 | |
| thrombin | 52 | |
| cellulase | 52 | |
| protein kinase C | 49 | |
| cathepsin G | 49 | |
| glutathione reductase | 48 | |
| mitogen-activated protein kinase | 45 | |
| hexosaminidase | 42 | |
| alcohol dehydrogenase | 42 | |
| hyaluronidase | 42 | |
| lysostaphin | 41 | |
| CD13 | 40 | |
| glucose oxidase | 40 | |
| cathepsin D | 39 | |
| hyaluronidase | 39 | |
| gamma-glutamyl transpeptidase | 38 | |
| glyceraldehyde-3-phosphate dehydrogenase | 37 | |
| neuraminidase | 37 | |
| neutrophil elastase | 37 | |
| glyceraldehyde-3-phosphate dehydrogenase | 37 | |
| deoxyribonuclease | 36 | |
| beta-lactamase | 35 | |
| subtilisin | 35 | |
| deoxyribonuclease | 35 | |
| glyceraldehyde-3-phosphate dehydrogenase | 32 | |
| murein hydrolase | 31 | |
| glyceraldehyde-3-phosphate dehydrogenase | 31 | |
| glyceraldehyde-3-phosphate dehydrogenase | 31 | |
| ECH | 30 | |
| acetylcholinesterase | 29 | |
| thermolysin | 29 | |
| MIP | 29 | |
| carboxylesterase | 28 | |
| myosin light chain kinase | 27 | |
| micrococcal nuclease | 26 | |
| isopeptidase | 25 | |
| enolase | 25 | |
| transglutaminase | 25 | |
| alpha-glucosidase | 24 | |
| NADPH oxidase | 24 | |
| cathepsin B | 23 | |
| glucose-6-phosphate dehydrogenase | 23 | |
| NADPH oxidase | 22 | |
| endonuclease | 22 | |
| phospholipase C | 22 | |
| creatine kinase | 22 | |
| focal adhesion kinase | 22 | |
| DNA polymerase | 21 | |
| reverse transcriptase | 21 | |
| lipoxygenase | 21 | |
| xylanase | 21 | |
| succinate dehydrogenase | 20 | |
| AST | 20 | |
| glucoamylase | 19 | |
| malate dehydrogenase | 19 | |
| chaperonin | 19 | |
| xylanase | 19 | |
| caspase-3 | 18 | |
| arginase | 17 | |
| adenosine deaminase | 17 | |
| adenosine deaminase | 17 | |
| NO synthase | 17 | |
| destabilase | 16 | |
| aldolase | 16 | |
| glutamate dehydrogenase | 16 | |
| invertase | 16 | |
| glutamate dehydrogenase | 16 | |
| luciferase | 16 | |
| chitosanase | 15 | |
| chymosin | 15 | |
| leucine aminopeptidase | 15 | |
| transpeptidase | 15 | |
| xanthine oxidase | 15 | |
| glutamate dehydrogenase | 15 | |
| PTPase | 14 | |
| alanine aminopeptidase | 14 | |
| TOR | 14 | |
| lysyl endopeptidase | 14 | |
| sucrase | 14 | |
| endoglycosidase H | 13 | |
| urease | 13 | |
| citrate synthase | 13 | |
| NOS | 13 | |
| SPC | 13 | |
| urease | 13 | |
| thromboplastin | 12 | |
| diamine oxidase | 12 | |
| pectinase | 12 | |
| laccase | 12 | |
| beta-glucosidase | 12 | |
| N-acetylglucosamine deacetylase | 12 | |
| beta-1,3-glucanase | 12 | |
| beta-1,3-glucanase | 12 | |
| plasmin | 12 | |
| pyruvate kinase | 11 | |
| chloramphenicol acetyltransferase | 11 | |
| carboxypeptidase A | 11 | |
| hexokinase | 11 | |
| beta-glucosidase | 11 | |
| 5'-nucleotidase | 11 | |
| tyrosinase | 10 | |
| TdT | 10 | |
| sucrase-isomaltase | 10 | |
| thymidine kinase | 10 | |
| cytochrome oxidase | 10 | |
| DD-carboxypeptidase | 10 | |
| adenylate cyclase | 10 | |
| IKK | 9 | |
| RNase T1 | 9 | |
| calcineurin | 9 | |
| kallikrein | 9 | |
| prostate-specific antigen | 9 | |
| S1 nuclease | 9 | |
| CDR | 9 | |
| HIV-1 protease | 9 | |
| endo-N | 9 | |
| bile salt hydrolase | 9 | |
| phosphodiesterase | 9 | |
| phenol oxidase | 9 | |
| tryptase | 8 | |
| dihydrofolate reductase | 8 | |
| phosphoglycerate kinase | 8 | |
| urokinase-type plasminogen activator | 8 | |
| DD-carboxypeptidase | 8 | |
| peroxiredoxin | 8 | |
| PAH | 8 | |
| succinic dehydrogenase | 8 | |
| sulfatase | 8 | |
| ubiquitin-protein ligase | 8 | |
| bromelain | 8 | |
| glutamine synthetase | 8 | |
| ricin | 7 | |
| phytase | 7 | |
| renin | 7 | |
| lactic acid dehydrogenase | 7 | |
| penicillin binding protein | 7 | |
| lactase | 7 | |
| cholinesterase | 7 | |
| phytase | 7 | |
| lactose synthetase | 7 | |
| alpha-mannosidase | 7 | |
| GAS | 7 | |
| lactic acid dehydrogenase | 7 | |
| MMP | 7 | |
| TPP | 7 | |
| chondroitinase | 6 | |
| ATP synthase | 6 | |
| adenylate kinase | 6 | |
| CPL | 6 | |
| arginine deiminase | 6 | |
| nitrogenase | 6 | |
| aldehyde dehydrogenase | 6 | |
| complex I | 6 | |
| Pla | 6 | |
| cytochrome c peroxidase | 5 | |
| thioredoxin reductase | 5 | |
| firefly luciferase | 5 | |
| caspase-9 | 5 | |
| nucleotidase | 5 | |
| cathepsin L | 5 | |
| TSA | 5 | |
| phosphorylase | 5 | |
| asparaginase | 5 | |
| transcriptase | 5 | |
| tryptophan 2,3-dioxygenase | 5 | |
| mannanase | 5 | |
| peptidyl-prolyl cis-trans isomerase | 5 | |
| cathepsin S | 5 | |
| sialidase | 5 | |
| AMPK | 5 | |
| BAL | 5 | |
| MAP | 5 | |
| glucose dehydrogenase | 5 | |
| cutinase | 5 | |
| cathepsin C | 5 | |
| diaphorase | 5 | |
| RNase H | 5 | |
| chondroitinase | 4 | |
| sorbitol dehydrogenase | 4 | |
| proteinase-3 | 4 | |
| prolyl endopeptidase | 4 | |
| polysaccharide deacetylase | 4 | |
| SMP | 4 | |
| lactic acid dehydrogenase | 4 | |
| arylsulfatase | 4 | |
| MEK | 4 | |
| glucokinase | 4 | |
| thymidylate synthase | 4 | |
| MDH | 4 | |
| dCMP hydroxymethylase | 4 | |
| ribonucleotide reductase | 4 | |
| prostate-specific membrane antigen | 4 | |
| aldose reductase | 4 | |
| ribonucleotide reductase | 4 | |
| PBP5 | 4 | |
| venom phosphodiesterase | 4 | |
| heme oxygenase | 4 | |
| glucose-6-phosphatase | 4 | |
| PRE | 4 | |
| DNA methyltransferase | 4 | |
| hydrogenase | 4 | |
| hydrogenase | 4 | |
| HtrA | 4 | |
| Rex | 4 | |
| guanylate cyclase | 4 | |
| phospholipase D | 4 | |
| nitrate reductase | 4 | |
| rhodanese | 4 | |
| pyruvate dehydrogenase | 4 | |
| NADH dehydrogenase | 4 | |
| alanine racemase | 4 | |
| nitrate reductase | 4 | |
| nitrate reductase | 4 | |
| CaMKII | 4 | |
| insulin-degrading enzyme | 4 | |
| E-2 | 4 | |
| uricase | 4 | |
| nitrate reductase | 4 | |
| nitrate reductase | 4 | |
| cathepsin K | 4 | |
| DNase II | 4 | |
| CEP | 4 | |
| beta-glycerophosphatase | 4 | |
| nitrate reductase | 4 | |
| lipoprotein lipase | 4 | |
| xylose isomerase | 4 | |
| MDP | 4 | |
| phosphoglucose isomerase | 4 | |
| MDH | 4 | |
| N-acetyltransferase | 3 | |
| ScpA | 3 | |
| PAM | 3 | |
| asparagine synthetase | 3 | |
| Hageman factor | 3 | |
| PKG | 3 | |
| C3 convertase | 3 | |
| dCTPase | 3 | |
| heparinase | 3 | |
| granzyme B | 3 | |
| aspartate transcarbamylase | 3 | |
| enterokinase | 3 | |
| dextranase | 3 | |
| aldehyde dehydrogenase | 3 | |
| sialyltransferase | 3 | |
| clostripain | 3 | |
| sialyltransferase | 3 | |
| sialyltransferase | 3 | |
| apyrase | 3 | |
| acylase | 3 | |
| PRA | 3 | |
| topoisomerase | 3 | |
| topoisomerase | 3 | |
| P-glycoprotein | 3 | |
| trehalase | 3 | |
| tryptophan synthase | 3 | |
| tannase | 3 | |
| alpha-lytic protease | 3 | |
| N-acetylgalactosaminidase | 3 | |
| RNase III | 3 | |
| aldehyde dehydrogenase | 3 | |
| nitrite reductase | 3 | |
| aldehyde dehydrogenase | 3 | |
| cellobiohydrolase | 3 | |
| diaphorase | 3 | |
| sulfhydryl oxidase | 3 | |
| glutathione-insulin transhydrogenase | 3 | |
| tissue plasminogen activator | 3 | |
| TSP-1 | 3 | |
| PARP | 3 | |
| xanthine dehydrogenase | 3 | |
| oligopeptidase B | 3 | |
| phosphofructokinase | 3 | |
| galactose oxidase | 3 | |
| aldehyde dehydrogenase | 3 | |
| TPP | 3 | |
| actinidin | 3 | |
| alginate lyase | 3 | |
| tripeptidyl peptidase | 3 | |
| carboxypeptidase Y | 3 | |
| hyaluronate lyase | 3 | |
| C5a peptidase | 3 | |
| fumarate reductase | 3 | |
| levansucrase | 2 | |
| membrane-bound hydrogenase | 2 | |
| PDE | 2 | |
| CPS | 2 | |
| endoproteinase Glu-C | 2 | |
| fumarase | 2 | |
| dCMP deaminase | 2 | |
| pyrrolooxygenase | 2 | |
| GTP cyclohydrolase I | 2 | |
| 15-lipoxygenase | 2 | |
| PGM | 2 | |
| DNA ligase | 2 | |
| factor D | 2 | |
| paraoxonase | 2 | |
| putrescine transcarbamylase | 2 | |
| arginine kinase | 2 | |
| chymopapain | 2 | |
| endo-beta-galactosidase | 2 | |
| ADP-ribosyltransferase | 2 | |
| HPI | 2 | |
| endo-beta-galactosidase | 2 | |
| mutarotase | 2 | |
| hypoxanthine-guanine phosphoribosyltransferase | 2 | |
| CEP | 2 | |
| DMT | 2 | |
| formate dehydrogenase | 2 | |
| monoamine oxidase | 2 | |
| glutamate synthase | 2 | |
| alpha-L-fucosidase | 2 | |
| ADPase | 2 | |
| acylphosphatase | 2 | |
| tryptophanase | 2 | |
| Mg2+-ATPase | 2 | |
| methylenetetrahydrofolate reductase | 2 | |
| beta-amylase | 2 | |
| demethylase | 2 | |
| MMP-3 | 2 | |
| alpha-galactosidase | 2 | |
| site-1 protease | 2 | |
| pyruvate dehydrogenase | 2 | |
| meprin | 2 | |
| methylenetetrahydrofolate reductase | 2 | |
| formate dehydrogenase | 2 | |
| astacin | 2 | |
| alpha-L-fucosidase | 2 | |
| caspase-6 | 2 | |
| triose-phosphate isomerase | 2 | |
| caspase-6 | 2 | |
| ornithine aminotransferase | 2 | |
| NQO1 | 2 | |
| alpha-L-fucosidase | 2 | |
| DNA ligase | 2 | |
| HSD | 2 | |
| chymopapain | 2 | |
| matrix metalloproteinase 2 | 2 | |
| nitrite reductase | 2 | |
| pseudolysin | 2 | |
| GRK2 | 2 | |
| formate dehydrogenase | 2 | |
| nitrite reductase | 2 | |
| pyruvate decarboxylase | 2 | |
| glutamate decarboxylase | 2 | |
| formamidase | 2 | |
| caspase-8 | 2 | |
| transhydrogenase | 2 | |
| FAST | 2 | |
| disulfide reductase | 2 | |
| glutamate synthase | 2 | |
| aequorin | 2 | |
| beta-lytic protease | 2 | |
| glycerol-3-phosphate dehydrogenase | 2 | |
| rubisco | 2 | |
| interstitial collagenase | 2 | |
| glutamate synthase | 2 | |
| soluble epoxide hydrolase | 2 | |
| dissimilatory sulfite reductase | 2 | |
| phosphoglucomutase | 2 | |
| proteinase A | 2 | |
| matrix metalloproteinase 9 | 2 | |
| alcohol oxidase | 2 | |
| diacylglycerol kinase | 2 | |
| p-nitrophenylphosphatase | 2 | |
| phenylalanine hydroxylase | 2 | |
| caspase-1 | 2 | |
| proteinase A | 2 | |
| chondroitin ABC lyase | 2 | |
| site-1 protease | 2 | |
| pectate lyase | 2 | |
| deuterolysin | 2 | |
| PCP | 2 | |
| AMP-activated protein kinase | 2 | |
| ADP-ribosyltransferase | 2 | |
| glycerol-3-phosphate dehydrogenase | 2 | |
| glycerol kinase | 2 | |
| DTA | 2 | |
| carboxypeptidase II | 1 | |
| GMP synthase | 1 | |
| CPA2 | 1 | |
| estrogen sulfotransferase | 1 | |
| SpeB | 1 | |
| CPT | 1 | |
| carboxypeptidase B | 1 | |
| peptidylarginine deiminase | 1 | |
| NADH peroxidase | 1 | |
| ascorbate peroxidase | 1 | |
| tyrosylprotein sulfotransferase | 1 | |
| p-cresol methylhydroxylase | 1 | |
| phospholipid hydroperoxide glutathione peroxidase | 1 | |
| cathepsin X | 1 | |
| guanidinoacetate methyltransferase | 1 | |
| endothiapepsin | 1 | |
| endopeptidase I | 1 | |
| pyroglutamate aminopeptidase | 1 | |
| conjugase | 1 | |
| rubredoxin reductase | 1 | |
| thyroid peroxidase | 1 | |
| acrosin | 1 | |
| poly(glycerol phosphate) polymerase | 1 | |
| choline acetyltransferase | 1 | |
| ferredoxin reductase | 1 | |
| acyl-CoA dehydrogenase | 1 | |
| enoyl-ACP reductase | 1 | |
| 11beta-hydroxysteroid dehydrogenase | 1 | |
| p100 | 1 | |
| CobQ | 1 | |
| hepsin | 1 | |
| Omi/HtrA2 | 1 | |
| PTR | 1 | |
| GMP synthetase | 1 | |
| caspase-7 | 1 | |
| homoprotocatechuate 2,3-dioxygenase | 1 | |
| catechol 2,3-dioxygenase | 1 | |
| lysophospholipase D | 1 | |
| CobB | 1 | |
| catechol O-methyltransferase | 1 | |
| acetyl-CoA carboxylase | 1 | |
| aconitase | 1 | |
| fatty acid desaturase | 1 | |
| tissue kallikrein | 1 | |
| Lys4 | 1 | |
| gastricsin | 1 | |
| thiopurine methyltransferase | 1 | |
| beta-1,4-galactosyltransferase | 1 | |
| dihydroorotate dehydrogenase | 1 | |
| C3 convertase | 1 | |
| LipB | 1 | |
| Delta6-desaturase | 1 | |
| acetylesterase | 1 | |
| purine nucleoside phosphorylase | 1 | |
| guanase | 1 | |
| protein L-isoaspartyl methyltransferase | 1 | |
| cdc2 | 1 | |
| NSY | 1 | |
| prephenate dehydratase | 1 | |
| cellulose synthase | 1 | |
| GSK | 1 | |
| KAT | 1 | |
| CPT | 1 | |
| ribulose 5-phosphate 3-epimerase | 1 | |
| acyl-CoA dehydrogenase | 1 | |
| MT 1 | 1 | |
| alanine dehydrogenase | 1 | |
| phosphoglucosamine mutase | 1 | |
| aldehyde reductase | 1 | |
| IgA protease | 1 | |
| botulinum neurotoxin | 1 | |
| methylthioadenosine phosphorylase | 1 | |
| furin | 1 | |
| CAD | 1 | |
| serine hydroxymethyltransferase | 1 | |
| sortase A | 1 | |
| chalcone synthase | 1 | |
| EC 3.6.1.1 | 1 | |
| acetate kinase | 1 | |
| CAD | 1 | |
| carbamate kinase | 1 | |
| factor C | 1 | |
| prepilin peptidase | 1 | |
| ornithine transcarbamylase | 1 | |
| prolyl hydroxylase | 1 | |
| mu-calpain | 1 | |
| PHD | 1 | |
| PTA | 1 | |
| lombricine kinase | 1 | |
| transketolase | 1 | |
| aldehyde reductase | 1 | |
| phosphatidylglycerophosphate synthase | 1 | |
| hormone-sensitive lipase | 1 | |
| adenine phosphoribosyltransferase | 1 | |
| lysyl oxidase | 1 | |
| MCS | 1 | |
| exonuclease I | 1 | |
| triphosphatase | 1 | |
| mannosidase I | 1 | |
| RNase PH | 1 | |
| acyl carrier protein synthase | 1 | |
| acetoacetyl-CoA thiolase | 1 | |
| pyruvate dehydrogenase | 1 | |
| mannosidase II | 1 | |
| transglucosylase | 1 | |
| chorismate mutase | 1 | |
| glycine decarboxylase | 1 | |
| N-acetylglucosaminyltransferase | 1 | |
| methylamine dehydrogenase | 1 | |
| anhydrotetracycline oxygenase | 1 | |
| caspase-2 | 1 | |
| phosphatidylserine synthase | 1 | |
| IgA1 protease | 1 | |
| myo-inositol-1-phosphate synthase | 1 | |
| aromatic amine dehydrogenase | 1 | |
| octopine dehydrogenase | 1 | |
| pyrroline-5-carboxylate dehydrogenase | 1 | |
| pectin methylesterase | 1 | |
| penicillin acylase | 1 | |
| methylenetetrahydrofolate dehydrogenase | 1 | |
| neuropathy target esterase | 1 | |
| GPI-specific phospholipase C | 1 | |
| cholesterol esterase | 1 | |
| GapB | 1 | |
| methanol dehydrogenase | 1 | |
| thimet oligopeptidase | 1 | |
| UDP-glucuronosyltransferase | 1 | |
| methylenetetrahydrofolate dehydrogenase | 1 | |
| N-acetylglutamate synthase | 1 | |
| linoleic acid isomerase | 1 | |
| acetylornithinase | 1 | |
| caspase-2 | 1 | |
| methionyl-tRNA synthetase | 1 | |
| glutaminase | 1 | |
| RGP | 1 | |
| ComC | 1 | |
| squalene epoxidase | 1 | |
| pyruvate oxidase | 1 | |
| beta-D-fucosidase | 1 | |
| glutamyl-tRNA synthetase | 1 | |
| proton-translocating ATPase | 1 | |
| coagulation factor XIa | 1 | |
| aspartase | 1 | |
| PWD | 1 | |
| branching enzyme | 1 | |
| calcium pump | 1 | |
| pyruvate oxidase | 1 | |
| AO1 | 1 | |
| glucocerebrosidase | 1 | |
| CPR | 1 | |
| histidyl-tRNA synthetase | 1 | |
| condensing enzyme | 1 | |
| omega-amidase | 1 | |
| alpha-N-acetylgalactosaminidase | 1 | |
| alpha-N-acetylglucosaminidase | 1 | |
| ribonuclease alpha | 1 | |
| beta-hydroxybutyrate dehydrogenase | 1 | |
| BMA | 1 | |
| 3-hydroxy-3-methylglutaryl-CoA reductase | 1 | |
| fumarylacetoacetate hydrolase | 1 | |
| nardilysin | 1 | |
| chitin deacetylase | 1 | |
| valyl-tRNA synthetase | 1 | |
| isocitrate dehydrogenase | 1 | |
| halogenase | 1 | |
| isocitrate dehydrogenase | 1 | |
| 6-phosphogluconate dehydrogenase | 1 | |
| 6-phosphogluconate dehydrogenase | 1 | |
| haloalkane dehalogenase | 1 | |
| polo-like kinase 1 | 1 | |
| orotate phosphoribosyltransferase | 1 | |
| caspase-7 | 1 | |
| LipA | 1 | |
| bacillolysin | 1 | |
| acyl-CoA synthetase | 1 | |
| lichenase | 1 | |
| aureolysin | 1 | |
| mannan 1,2-(1,3)-alpha-mannosidase | 1 | |
| PST | 1 | |
| methionine synthase reductase | 1 | |
| lysine decarboxylase | 1 | |
| tyrosine aminotransferase | 1 | |
| oxalate decarboxylase | 1 | |
| polysaccharide depolymerase | 1 | |
| orotidine-5'-phosphate decarboxylase | 1 | |
| PNGase F | 1 | |
| aldehyde reductase | 1 | |
| fructose 1,6-bisphosphatase | 1 | |
| phosphoenolpyruvate carboxykinase | 1 | |
| phosphoenolpyruvate carboxykinase | 1 | |
| Alternating | 1 | |
| acyl-CoA synthetase | 1 | |
| phosphoenolpyruvate carboxykinase | 1 | |
| enoyl-ACP reductase | 1 | |
| NAD glycohydrolase | 1 | |
| endoproteinase Asp-N | 1 | |
| heterodisulfide reductase | 1 | |
| phospholipase A1 | 1 | |
| dihydroorotate dehydrogenase | 1 | |
| inositol phosphatase | 1 | |
| CAD | 1 | |
| methylmalonate-semialdehyde dehydrogenase | 1 | |
| cathepsin F | 1 | |
| SRR | 1 | |
| aminopeptidase B | 1 | |
| restriction-modification system | 1 | |
| biliverdin reductase | 1 | |
| cholesterol oxidase | 1 | |
| prolidase | 1 | |
| ribose-5-phosphate isomerase | 1 | |
| fructose-2,6-bisphosphatase | 1 | |
| glycolate dehydrogenase | 1 | |
| MDR | 1 | |
| CDH | 1 | |
| PepX | 1 | |
| fructose-6-phosphate phosphoketolase | 1 | |
| BIS | 1 | |
| Tpt1 | 1 | |
| gamma-glutamylcysteine synthetase | 1 | |
| dipeptidyl peptidase IV | 1 | |
| phosphomannose isomerase | 1 | |
| amylomaltase | 1 | |