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 Enzyme Class Index
Enzyme Explorer
 
  
Sigma offers over 1,600 enzymes as well as associated inhibitors and substrates.

TO SEARCH FOR AN ENZYME BY EC # OR REACTION CATALYZED...
1. Click on a category in the menu below
2. Scroll down the list to the enzyme of interest
3. Click on the Product # to access product listing and related information including:
inhibitors, substrates, assay procedures, Product Information Sheets, C of A and MSDS
 
       1.x.x.x  Oxidoreductases
       2.x.x.x  Transferases
       3.x.x.x  Hydrolases (Acting on esters)
       3.x.x.x  Hydrolases (Glycosidases)
       3.x.x.x  Hydrolases (Other)
       4.x.x.x  Lyases
       5.x.x.x  Isomerases
       6.x.x.x  Ligases
  Oxidoreductases  
E.C. # Product Name Product # 
Acting on hydroxyl groups  
1.1.1.1 Alcohol Dehydrogenase from Saccharomyces cerevisiae, suitable for conventional determination of b-NAD, b-NADH, ethanol and acetaldehyde, Lyophilized powder, Solid with buffer salts, 300-500 units/mg protein A7011
1.1.1.1 Alcohol Dehydrogenase from Saccharomyces cerevisiae, suitable for recycling micro-assay of b-NAD and b-NADH, Lyophilized powder, Solid with buffer salts, minimum 300 units/mg protein A3263
1.1.1.1 Alcohol dehydrogenase–Agarose from Baker's yeast (S. cerevisiae), Lyophilized powder, 900-1,200 units/g agarose, pH 8.8, 30°C A2529
1.1.1.1 Alcohol Dehydrogenase equine liver, Lyophilized powder, ³0.5 units/mg protein (TCA/Biuret) A9589
1.1.1.1 Alcohol Dehydrogenase from Saccharomyces cerevisiae, BioChemika, powder, off-white, ³250 U/mg 05635
1.1.1.1 Alcohol Dehydrogenase from Saccharomyces cerevisiae, BioChemika, lyophilized, powder, ~300 U/mg 05640
1.1.1.1 Alcohol Dehydrogenase equine liver, BioChemika, suspension in 20 mM potassium phosphate buffer, pH 7; ethanol 10%, ampoule, 10% as ethanol, ~30 U/ml 05645
1.1.1.1 Alcohol Dehydrogenase equine liver, BioChemika, crystalline suspension in 20 mM potassium phosphate buffer, ~3 U/mg protein (~10 mg/ml) 05646
1.1.1.1 Alcohol Dehydrogenase equine liver, BioChemika, lyophilisate, slightly beige, ³0.25 U/mg 17233
1.1.1.1 Alcohol Dehydrogenase from Candida boidinii, BioChemika, powder, light brown, ³0.4 U/mg 91031
1.1.1.2 Alcohol dehydrogenase, NADP+ dependent Thermoanaerobium brockii, Lyophilized powder, 30-90 units/mg protein A9287
1.1.1.2 Alcohol Dehydrogenase Thermoanaerobium brockii, Lyophilized powder, 5-15 units/mg protein A8435
1.1.1.2 (S)-Aromatic Alcohol Dehydrogenase, NADP+ dependent from Thermoanaerobium sp., Lyophilized powder, 1-5 units/mg solid A9685
1.1.1.2 Alcohol dehydrogenase, NADP+ dependent Thermoanaerobium brockii, Lyophilized powder, 30-90 units/mg protein A9287
1.1.1.2 Alcohol Dehydrogenase Thermoanaerobium brockii, Lyophilized powder, 5-15 units/mg protein A8435
1.1.1.2 (S)-Aromatic Alcohol Dehydrogenase, NADP+ dependent from Thermoanaerobium sp., Lyophilized powder, 1-5 units/mg solid A9685
1.1.1.2 Alcohol Dehydrogenase from Lactobacillus kefir, BioChemika, powder, beige, ~0.4 U/mg 05643
1.1.1.2 Alcohol Dehydrogenase Thermoanaerobium brockii, BioChemika, powder, white, ~35 U/mg 05655
1.1.1.6 Glycerol Dehydrogenase from Bacillus megaterium, Lyophilized powder, ³15 units/mg solid, pH 8.8 G6267
1.1.1.6 Glycerol Dehydrogenase from Cellulomonas sp., Lyophilized powder, 50-125 units/mg protein, pH 10.0 G3512
1.1.1.6 Glycerol Dehydrogenase Enterobacter aerogenes, Lyophilized powder, 20-80 units/mg protein, pH 10.0 G4783
1.1.1.6 Glycerol Dehydrogenase Geotrichum candidum, BioChemika, ~30 U/g 49860
1.1.1.8 a-Glycerophosphate Dehydrogenase from rabbit muscle, Type I, Ammonium sulfate suspension, 100-300 units/mg protein G6751
1.1.1.8 a-Glycerophosphate Dehydrogenase from rabbit muscle, Type X, Lyophilized powder, 100-300 units/mg protein G6880
1.1.1.8 sn-Glycero-3-phosphate Dehydrogenase rabbit muscle, BioChemika, suspension, white, ~270 U/mg protein (~10 mg/ml) 50013
1.1.1.8 sn-Glycero-3-phosphate Dehydrogenase rabbit muscle, BioChemika, lyophilized, powder, white, 100-250 U/mg 50015
1.1.1.10 L-Xylulose Reductase from pigeon liver, Ammonium sulfate suspension, 5-15 units/mg protein (BCA) X5250
1.1.1.14 Sorbitol Dehydrogenase from sheep liver, Lyophilized powder, minimum 20 units/mg protein S3764
1.1.1.14 Sorbitol Dehydrogenase from sheep liver, 20-40 units/mg protein S1128
1.1.1.14 SDH Control (Sorbitol Dehydrogenase) S8135
1.1.1.14 Sorbitol Dehydrogenase from sheep liver, BioChemika, lyophilized, powder, white, ~6 U/mg 85535
1.1.1.18 myo-Inositol Dehydrogenase from Enterobacter aerogenes, Lyophilized powder, 25-50 units/mg protein I5010
1.1.1.18 myo-Inositol Dehydrogenase from Enterobacter aerogenes, Lyophilized powder, 10-20 units/mg protein I0255
1.1.1.18 myo-Inositol Dehydrogenase from Enterobacter aerogenes, 10-20 units/mL, Ammonium sulfate suspension I3517
1.1.1.22 Uridine-5¢-diphosphoglucose Dehydrogenase from bovine liver, Type III, Lyophilized powder, 0.02-0.08 units/mg protein U5500
1.1.1.22 Uridine-5¢-diphosphoglucose Dehydrogenase from bovine liver, Type VI, Lyophilized powder, 0.3-0.6 units/mg protein U7251
1.1.1.26 Glyoxylate reductase from Spinacia oleracea (spinach), Ammonium sulfate suspension, approx. 50 units/mg protein (Biuret) G5259
1.1.1.27 L-Lactic Dehydrogenase LDH-5 (M4) Isoenzyme solution from bovine muscle, Type XXVI, Ammonium sulfate suspension, minimum 600 units/mg protein L0508
1.1.1.27 L-Lactic Dehydrogenase LDH-5 (M4) Isoenzyme solution from porcine muscle, Type XXXII-S, Ammonium sulfate suspension, approx. 1,000 units/mg protein L5762
1.1.1.27 L-Lactic Dehydrogenase LDH-2 (H3M) Isoenzyme from human erythrocytes, Type XX, 98% (homogeneous), Ammonium sulfate suspension, approx. 150 units/mg protein L3757
1.1.1.27 L-Lactic Dehydrogenase solution porcine heart, Ammonium sulfate suspension, minimum 400 units/mg protein (Biuret) L7525
1.1.1.27 L-Lactic Dehydrogenase Bacillus stearothermophilus, recombinant, expressed in Escherichia coli, Lyophilized powder, minimum 200 units/mg protein, pH 6.0, 30°C (Lowry) L3151
1.1.1.27 L-Lactic Dehydrogenase from bovine muscle, Type X, Ammonium sulfate suspension, minimum 600 units/mg protein L1378
1.1.1.27 L-Lactic Dehydrogenase isoenzymes LDH-1 (H4) and LDH-2 (H3M) from human erythrocytes, Type XII, Ammonium sulfate suspension, 300-500 units/mg protein L3379
1.1.1.27 L-Lactic Dehydrogenase from rabbit muscle, Type XI, Salt-free, lyophilized powder, 700-1,200 units/mg protein L1254
1.1.1.27 L-Lactic Dehydrogenase solution from rabbit muscle, Type I, Ammonium sulfate suspension, 40-100 units/mg protein L2375
1.1.1.27 L-Lactic Dehydrogenase solution from rabbit muscle, Type II, Ammonium sulfate suspension, 800-1,200 units/mg protein L2500
1.1.1.27 L-Lactic Dehydrogenase solution from rabbit muscle, Type V-S, >95%, Ammonium sulfate suspension, minimum 700 units/mg protein L5132
1.1.1.27 L-Lactic dehydrogenase Insoluble enzyme attached to beaded agarose from rabbit muscle, Ammonium sulfate suspension, 300-500 units/g agarose L8011
1.1.1.27 L-Lactic dehydrogenase Insoluble enzyme attached to polyacrylamide from rabbit muscle, 25-40 units/g solid L8253
1.1.1.27 L-Lactic Dehydrogenase LDH-1 (H4) Isoenzyme solution from rabbit heart, Type XXXVI, Ammonium sulfate suspension, 400-600 units/mg protein L2889
1.1.1.27 L-Lactic Dehydrogenase from chicken heart, Type VIII, Ammonium sulfate suspension, 500-800 units/mg protein L9126
1.1.1.27 L-Lactic Dehydrogenase solution bovine heart, Type III, Ammonium sulfate suspension, 500-700 units/mg protein L2625
1.1.1.27 L-Lactic Dehydrogenase solution bovine heart, Type IX, Ammonium sulfate suspension, minimum 400 units/mg protein L0377
1.1.1.27 L-Lactic Dehydrogenase solution bovine heart, Type XVII, Buffered aqueous glycerol solution, 400-600 units/mg protein L1006
1.1.1.27 L-Lactic Dehydrogenase solution from rabbit muscle, Type XXXIX, Buffered aqueous glycerol solution, 700-1,000 units/mg protein L2518
1.1.1.27 L-Lactate Dehydrogenase rabbit muscle, BioChemika, in 2.1 M ammonium sulfate solution, pH ~6.0, suspension, white, ~500 U/mg protein (~10 mg/ml) 61311
1.1.1.27 L-Lactate Dehydrogenase rabbit muscle, BioChemika, lyophilized, powder, off-white, ~140 U/mg 61309
1.1.1.27 Lactic Dehydrogenase preparation from bovine heart, BioChemika, off-white, ~250 U/mg protein (~10 mg/ml) 61310
1.1.1.28 D-Lactic Dehydrogenase Lactobacillus leichmanii, Lyophilized powder, 150-300 units/mg protein L3888
1.1.1.28 D-Lactic Dehydrogenase solution from Lactobacillus leichmanii, Ammonium sulfate suspension, 250-500 units/mg protein (Biuret) L2011
1.1.1.28 D-Lactic Dehydrogenase Leuconostoc mesenteroides, Ammonium sulfate suspension, 1,000-3,000 units/mg protein (Biuret) L2395
1.1.1.28 D-Lactic Dehydrogenase from Staphylococcus epidermidis, Lyophilized powder, minimum 10 units/mg solid L9636
1.1.1.28 D-Lactate Dehydrogenase Staphylococci, BioChemika, lyophilisate, white, ~120 U/mg 17847
1.1.1.28 D-Lactate Dehydrogenase Lactobacillus sp., BioChemika, powder, white, ³400 U/mg 59023
1.1.1.28 D-Lactic Dehydrogenase Lactobacillus leichmanii, BioChemika, in 3.2 M ammonium sulfate solution, pH ~6.0, suspension, white, ~1000 U/ml 61306
1.1.1.30 b-Hydroxybutyrate Dehydrogenase Rhodopseudomonas sphaeroides, Type V, Lyophilized powder, 250-750 units/mg protein H8509
1.1.1.30 b-Hydroxybutyrate Dehydrogenase from Rhodopseudomonas sphaeroides, Type II, Ammonium sulfate suspension, 5-10 units/mg protein (Biuret) H6126
1.1.1.30 b-Hydroxybutyrate Dehydrogenase from Pseudomonas lemoignei, Lyophilized powder, 200-750 units/mg protein H9408
1.1.1.30 b-Hydroxybutyrate Dehydrogenase from Rhodopseudomonas sphaeroides, Type III, Ammonium sulfate suspension, minimum 20 units/mg protein (Biuret) H4005
1.1.1.30 b-Hydroxybutyrate Dehydrogenase from Pseudomonas lemoignei, 50-100 units/mL, Ammonium sulfate suspension H6523
1.1.1.30 b-Hydroxybutyrate Dehydrogenase Rhodopseudomonas sphaeroides, BioChemika, in 3.2 M ammonium sulfate solution, pH ~6.0, suspension, white, 4-10 U/mg protein (~5 mg/ml) 54975
1.1.1.37 Malic Dehydrogenase from Thermus flavus, Lyophilized powder, minimum 50 units/mg solid M7032
1.1.1.37 Malic Dehydrogenase porcine heart, Buffered aqueous glycerol solution, approx. 1,000 units/mg protein (Biuret) M2634
1.1.1.37 Malic Dehydrogenase porcine heart, Ammonium sulfate suspension, approx. 400 units/mg protein (Biuret) M7383
1.1.1.37 Malic Dehydrogenase from bovine heart, Ammonium sulfate suspension, 2000-4000 units/mg protein (modified Warburg-Christian) M9004
1.1.1.37 Malic Dehydrogenase Thermus sp., recombinant, expressed in Escherichia coli, Ammonium sulfate suspension, 100-200 units/mg protein (Lowry) M1035
1.1.1.37 Malic Dehydrogenase porcine heart, BioChemika, suspension, slightly beige, ~1200 U/mg protein (~5 mg/ml) 63170
1.1.1.42 Isocitrate Dehydrogenase preparation porcine heart, Type I I1877
1.1.1.42 Isocitric Dehydrogenase (NADP) solution porcine heart, Type IV, Buffered aqueous glycerol solution, 3-20 units/mg protein (Biuretapprox. 0.1% of that activity is obtained with NAD as cofactor.) I2002
1.1.1.42 1,3-Indandione, 97% I-200-2
1.1.1.42 Isocitrate Dehydrogenase preparation porcine heart, Lyophilized powder, 20-60 units/mg protein (Biuret) I2516
1.1.1.42 Isocitrate Dehydrogenase preparation porcine heart, BioChemika, shipped in dry ice, powder, yellow-brown, 4-12 U/mg 58774
1.1.1.42 Isocitrate Dehydrogenase preparation porcine heart, BioChemika, solution (clear), amber, 3-8 U/mg protein (~12 mg/ml) 58775
1.1.1.44 6-Phosphogluconic Dehydrogenase from Lactobacillus sp., Lyophilized powder P0235
1.1.1.44 6-Phosphogluconic Dehydrogenase from Saccharomyces cerevisiae, Lyophilized powder, 3-6 units/mg solid P4553
1.1.1.44 6-Phosphogluconic Dehydrogenase from torula yeast, Type IV, Ammonium sulfate suspension, minimum 20 units/mg protein P0507
1.1.1.44 6-Phosphogluconic Dehydrogenase from sheep liver, Lyophilized powder, 2-10 units/mg protein P8406
1.1.1.44 6-Phosphogluconic Dehydrogenase from torula yeast, BioChemika, ³15 U/mg protein 79461
1.1.1.47 Glucose Dehydrogenase Bacillus megaterium, Lyophilized powder, 50-150 units/mg solid G7653
1.1.1.47 Glucose Dehydrogenase from Thermoplasma acidophilum, recombinant, expressed in Escherichia coli, Ammonium sulfate suspension, minimum 100 units/mg protein (glucose substrate), minimum 50 units/mg protein (galactose substrate), Solution G5909
1.1.1.47 Glucose Dehydrogenase Bacillus megaterium, BioChemika, ~33 U/mg 49165
1.1.1.48 b-Galactose Dehydrogenase solution from Pseudomonas fluorescens, recombinant, expressed in Escherichia coli, Ammonium sulfate suspension, minimum 50 units/mg protein (Biuret) G6637
1.1.1.49 Glucose-6-phosphate Dehydrogenase–Agarose from Baker's yeast (S. cerevisiae), Ammonium sulfate suspension, 1,000-1,750 units/g agarose, 30°C G5506
1.1.1.49 Glucose-6-phosphate Dehydrogenase from Leuconostoc mesenteroides, recombinant, expressed in Escherichia coli, Lyophilized powder, 550-1,100 units/mg protein (Biuret) G8529
1.1.1.49 Glucose-6-phosphate Dehydrogenase from Leuconostoc mesenteroides, recombinant, expressed in Escherichia coli, Ammonium sulfate suspension, 550-1,100 units/mg protein (Biuret) G8404
1.1.1.49 Glucose-6-phosphate Dehydrogenase from torula yeast, Ammonium sulfate suspension, 300-600 units/mg protein (Biuret) G8289
1.1.1.49 Glucose-6-phosphate Dehydrogenase Biotin Labeled from Baker's yeast, Type XV-B, Lyophilized powder, 80-160 units/mg protein G3386
1.1.1.49 Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae), Type XV, Lyophilized powder, 200-400 units/mg protein (modified Warburg-Christian) G6378
1.1.1.49 Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae), Type IX, Lyophilized powder, 200-400 units/mg protein (modified Warburg-Christian) G4134
1.1.1.49 Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae), Type VII, Ammonium sulfate suspension, 300-400 units/mg protein (modified Warburg-Christian) G7877
1.1.1.49 Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae), Type V, Dry ammonium sulfate cake, ³150 units/mg protein (modified Warburg-Christian) G7750
1.1.1.49 Glucose-6-phosphate Dehydrogenase from torula yeast, Lyophilized powder, 200-600 units/mg protein (BiuretContains approx. 20% sodium citrate based on dry weight.) G8164
1.1.1.49 Glucose-6-phosphate Dehydrogenase from yeast, BioChemika, lyophilized, powder, off-white, ~160 U/mg 49273
1.1.1.49 Glucose-6-phosphate Dehydrogenase from yeast, BioChemika, standardized with bovine serum albumin, crystalline suspension in 3.2 M ammonium sulfate solution, pH ~6, ~120 U/mg protein (~5 mg/ml) 49270
1.1.1.49 Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae), BioChemika, crystalline suspension in 3.2 M ammonium sulfate solution, pH ~6, ~240 U/mg protein (~1 mg/ml) 49271
1.1.1.49 Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae), BioChemika, lyophilized, powder, white, ~210 U/mg 49272
1.1.1.49 Glucose-6-phosphate Dehydrogenase from torula yeast, BioChemika, suspension, white, ~180 U/mg protein (~1 mg/ml) 49279
1.1.1.49 Glucose-6-phosphate Dehydrogenase from Leuconostoc mesenteroides, BioChemika, lyophilized, powder, slightly beige, ~170 U/mg 49275
1.1.1.50 3a-Hydroxysteroid Dehydrogenase preparation from Pseudomonas testosteroni, Lyophilized powder, 20-50 units/mg protein H1506
1.1.1.50 3a-Hydroxysteroid Dehydrogenase preparation from Pseudomonas testosteroni, 50-100 units/mL, Ammonium sulfate suspension H6398
1.1.1.50 3a-Hydroxysteroid Dehydrogenase from Pseudomonas testosteroni, BioChemika, lyophilized, powder, white, ~9 U/mg 56460
1.1.1.67 Mannitol Dehydrogenase from Leuconostoc mesenteroides M9532
1.1.1.95 3-Phosphoglycerate Dehydrogenase from chicken liver, Lyophilized powder, 1.5-7.0 units/mg protein (modified Warburg-Christian) P4579
1.1.1.119 Glucose Dehydrogenase, NADP dependent from Cryptococcus uniguttulatus, Lyophilized powder, minimum 10 units/mg solid G0649
1.1.1.176 12a-Hydroxysteroid Dehydrogenase from Bacillus sphaericus, Lyophilized powder, 150-350 units/mg protein (Lowry) H2265
1.1.1.176 12a-Hydroxysteroid Dehydrogenase Clostridium sp., BioChemika, solution, yellow, ³18 U/ml 37762
1.1.1.205 IMPDH I1782
1.1.1.233 N-Acylmannosamine 1-Dehydrogenase from Pseudomonas sp., Lyophilized powder, minimum 45 units/mg protein A7561
1.1.2.3 L-Lactic Dehydrogenase (cytochrome) from baker's yeast (S. cerevisiae), Type IV-SS, Ammonium sulfate suspension, 0.1-0.6 units/mg protein (Biuret) L4506
1.1.3.4 Glucose Oxidase Aspergillus niger, Type V-S, approx. 1,000 units/mL (without added oxygen), Buffered aqueous solution G6891
1.1.3.4 Glucose Oxidase Aspergillus niger, 2,000-10,000 units/g solid (without added oxygen) G6766
1.1.3.4 Glucose Oxidase Aspergillus niger, Type VII, Lyophilized powder, 100,000-200,000 units/g solid (without added oxygen) G2133
1.1.3.4 Glucose Oxidase Aspergillus niger, Type II, 15,000-25,000 units/g solid (without added oxygen) G6125
1.1.3.4 Glucose Oxidase Aspergillus niger, Type X-S, Lyophilized powder, 100,000-250,000 units/g solid (without added oxygen) G7141
1.1.3.4 Glucose Oxidase Aspergillus niger, Buffered aqueous solution, minimum 200 units/mg protein (Biuret) G9010
1.1.3.4 Glucose Oxidase Aspergillus niger, Type II-S, 25,000-50,000 units/g solid (without added oxygen) G6641
1.1.3.4 Glucose Oxidase Aspergillus niger, Type VII-S, Lyophilized powder, 100,000-250,000 units/g solid (without added oxygen) G7016
1.1.3.4 Glucose Oxidase Aspergillus niger, BioChemika, solution (clear), yellow, ~1000 U/ml 49177
1.1.3.4 Glucose Oxidase Aspergillus niger, BioChemika, lyophilized, powder, ~200 U/mg 49180
1.1.3.4 Glucose Oxidase Aspergillus niger, BioChemika, powder, yellow, ~150 U/mg 49182
1.1.3.4 Glucose Oxidase Aspergillus niger, BioChemika, powder, yellow, ~130 U/mg 49181
1.1.3.4 Glucose Oxidase Aspergillus niger, BioChemika, lyophilized, powder, ~25 U/mg 49178
1.1.3.6 Cholesterol Oxidase from Pseudomonas fluorescens, Lyophilized powder, 10-50 units/mg protein C7149
1.1.3.6 Cholesterol Oxidase microbial, recombinant, expressed in Escherichia coli, Lyophilized powder C1235
1.1.3.6 Cholesterol Oxidase from Streptomyces sp., Lyophilized powder, minimum 25 units/mg protein C8649
1.1.3.6 Cholesterol Oxidase from Cellulomonas sp., Buffered aqueous solution, 20-60 units/mg protein (Biuret) C5421
1.1.3.6 Cholesterol Oxidase Nocardia erythropolis, BioChemika, in 1 M ammonium sulfate solution, pH 6, solution (slightly hazy), pale yellow, ³15 U/ml 26746
1.1.3.6 Cholesterol Oxidase from Pseudomonas sp., BioChemika, powder, light yellow, >1 U/mg 26747
1.1.3.9 Galactose Oxidase from Dactylium dendroides, Lyophilized powder, 500-1,500 units/mg protein G7907
1.1.3.9 Galactose Oxidase from Dactylium dendroides, Lyophilized powder, minimum 3,000 units/g solid G7400
1.1.3.10 Pyranose Oxidase from Cariolus sp., recombinant, expressed in Escherichia coli, 2.7 units/mg protein P4234
1.1.3.13 Alcohol Oxidase Candida boidinii, Lyophilized powder, 5-15 units/mg protein A6941
1.1.3.13 Alcohol Oxidase from Hansenula sp., Vacuum-dried powder, 20-40 units/mg protein (Bradford) A0438
1.1.3.13 Alcohol Oxidase solution from Pichia pastoris, BioChemika, solution, red to deep red, ³400 U/ml 92705
1.1.3.15 Glycolate Oxidase Spinacia oleracea (spinach), Ammonium sulfate suspension, 3-12 units/mg protein, pH 7.8 (Biuret) G8260
1.1.3.17 Choline Oxidase from Alcaligenes sp., Lyophilized powder, approx. 10 units/mg solid C5896
1.1.3.17 Choline Oxidase from Alcaligenes sp., BioChemika, powder, yellow, 9-18 U/mg 26986
1.1.3.17 Choline Oxidase from Arthrobacter globiformis, Lyophilized powder, 8-20 units/mg solid C4405
1.1.3.21 Glycerol 3-phosphate Oxidase from Pediococcus sp., Lyophilized powder, 40-80 units/mg solid, pH 8.1 G9637
1.1.3.21 Glycerol 3-phosphate Oxidase from Streptococcus thermophilus, Lyophilized powder, minimum 10 units/mg solid, pH 7.0 G4388
1.1.3.21 Glycerol 3-phosphate Oxidase from Aerococcus viridans, Lyophilized powder, minimum 70 units/mg solid, pH 8.1 G9888
1.1.3.21 Glycerol 3-phosphate Oxidase from Aerococcus viridans, BioChemika, powder, yellow, ~40 U/mg 50030
1.1.3.22 Xanthine Oxidase from buttermilk, Lyophilized powder, 0.4-1.0 units/mg protein X4376
1.1.3.22 Xanthine Oxidase from buttermilk, Grade I, Ammonium sulfate suspension, approx. 0.5 units/mg protein X1875
1.1.3.22 Xanthine Oxidase from buttermilk, Grade III, Ammonium sulfate suspension, 1-2 units/mg protein X4500
1.1.3.22 Xanthine Oxidase microbial, Lyophilized powder, minimum 7 units/mg solid X2252
1.1.3.22 Xanthine Oxidase from buttermilk, Grade IV, Ammonium sulfate suspension, 0.1-0.4 units/mg protein X4875
1.1.3.22 Xanthine Oxidase from buttermilk, BioChemika, lyophilized, powder, brown, ~0.4 U/mg 95493
1.1.3.29 N-Acylhexosamine Oxidase from Pseudomonas sp., Solution, minimum 20 units/mg protein A0186
1.1.99.11 D-Fructose Dehydrogenase from Gluconobacter industrius, Lyophilized powder, 400-1,200 units/mg protein F5152
1.1.99.11 D-Fructose Dehydrogenase from Gluconobacter industrius, Lyophilized powder, minimum 20 units/mg solid F4892
1.1.99.11 D-Fructose Dehydrogenase from Gluconobacter industrius, BioChemika, powder, light red, ³20 U/mg 70052
Acting on aldehydes or oxo groups  
1.2.1.1 Formaldehyde Dehydrogenase (glutathione-dependent) from Candida boidinii, Lyophilized powder, 7-20 units/mg protein F4136
1.2.1.1 Formaldehyde Dehydrogenase (glutathione-dependent) from Candida boidinii, BioChemika, ~2.5 U/mg 47584
1.2.1.1 Formate Dehydrogenase Pseudomonas spec., recombinant from E. coli, BioChemika, solution, light yellow, ~100 U/ml 79900
1.2.1.2 Formate Dehydrogenase Candida boidinii, Lyophilized powder, 1.5-4.5 units/mg protein F5632
1.2.1.2 Formate Dehydrogenase Candida boidinii, Lyophilized powder, 5-15 units/mg protein F8649
1.2.1.2 Formate Dehydrogenase Pseudomonas spec., recombinant mutante to 79900 from E. coli, BioChemika, solution, light yellow, >150 U/ml 75274
1.2.1.2 Formate Dehydrogenase Pseudomonas spec., recombinant mutante to 79900 NADP-dependant from E. coli from E. coli, BioChemika, solution, light yellow, ~50 U/ml 79331
1.2.1.2 Formate Dehydrogenase Candida boidinii, BioChemika, powder, 0.3-0.6 U/mg 47709
1.2.1.2 Formate Dehydrogenase Candida boidinii, BioChemika, liquid (clear), brown, ~50 U/ml 47753
1.2.1.5 Aldehyde Dehydrogenase, potassium-activated baker's yeast (S. cerevisiae), Lyophilized powder, 2-10 units/mg protein A6338
1.2.1.12 Glyceraldehyde-3-phosphate Dehydrogenase human erythrocytes, Lyophilized powder, 50-150 units/mg protein G6019
1.2.1.12 Glyceraldehyde-3-phosphate Dehydrogenase from chicken muscle, Lyophilized powder, 40-100 units/mg protein G9263
1.2.1.12 Glyceraldehyde-3-phosphate Dehydrogenase from rabbit muscle, Ammonium sulfate suspension, 80-120 units/mg protein (Biuret) G0763
1.2.1.12 Glyceraldehyde-3-phosphate Dehydrogenase from rabbit muscle, Lyophilized powder, approx. 80 units/mg protein G2267
1.2.1.12 Glyceraldehyde-3-phosphate Dehydrogenase from Baker's yeast (S. cerevisiae), Lyophilized powder, 70-140 units/mg protein G5537
1.2.1.12 Glyceraldehyde-3-phosphate Dehydrogenase Agarose from Baker's yeast (S. cerevisiae), Lyophilized powder, 50-150 units/g dry agarose, pH 7.6, 30°C G0389
1.2.1.12 Glyceraldehyde-3-phosphate Dehydrogenase from rabbit muscle, BioChemika, suspension, white, ³50 U/mg protein (~10 mg/ml) 49830
1.2.1.16 Succinic-Semialdehyde Dehydrogenase from Pseudomonas fluorescens, Lyophilized powder, 10-30 units/mg protein S3907
1.2.1.46 Formaldehyde Dehydrogenase from Pseudomonas putida, Lyophilized powder, 1-6 units/mg solid F1879
1.2.3.3 Pyruvate Oxidase bacterial, Lyophilized powder, minimum 1.5 units/mg P4591
1.2.3.3 Pyruvate Oxidase from Aerococcus sp., Lyophilized powder, minimum 35 units/mg protein (Biuret) P4105
1.2.3.4 Oxalate Oxidase from barley seedlings, Lyophilized powder, 0.5-1.5 units/mg solid O4127
1.2.4.2 a-Ketoglutarate Dehydrogenase from porcine heart, Buffered aqueous glycerol solution, 0.1-1 units/mg protein (Lowry) K1502
Acting on CH-CH  
1.3.3.5 Bilirubin Oxidase from Myrothecium verrucaria, Lyophilized powder, 15-65 units/mg protein B0390
1.3.3.6 Acyl coenzyme A oxidase from Arthrobacter sp., Lyophilized powder, 10-40 units/mg protein A2167
1.3.3.6 Acyl coenzyme A oxidase from Candida sp., Lyophilized powder, 10-30 units/mg protein A2903
Acting on CH-NH2  
1.4.1.1 L-Alanine Dehydrogenase Bacillus subtilis, Buffered aqueous glycerol solution, approx. 30 units/mg protein (Lowry) A7653
1.4.1.1 L-Alanine Dehydrogenase Bacillus subtilis, Ammonium sulfate suspension, approx. 40 units/mg protein (Lowry) A7189
1.4.1.1 L-Alanine Dehydrogenase Bacillus subtilis, BioChemika, in 2.4 M ammonium sulfate solution, pH 7.0, suspension, white, ³30 U/mg protein (~10 mg/ml) 05192
1.4.1.3 L-Glutamic Dehydrogenase solution from bovine liver, Type I, Ammonium sulfate suspension, approx. 40 units/mg protein G2501
1.4.1.3 L-Glutamic Dehydrogenase solution from bovine liver, Type II, Buffered aqueous glycerol solution, approx. 40 units/mg protein G2626
1.4.1.3 Glutamate Dehydrogenase bovine liver, Type III, Lyophilized powder, approx. 25 units/mg protein G7882
1.4.1.3 Glutamate Dehydrogenase bovine liver, BioChemika, solution (viscous), amber, ~1600 U/ml 49390
1.4.1.3 Glutamate Dehydrogenase bovine liver, BioChemika, lyophilized, powder, >30 U/mg 49392
1.4.1.4 L-Glutamic Dehydrogenase (NADP) from Proteus sp., Buffered aqueous solution, minimum 400 units/mg protein (Biuret) G4387
1.4.1.4 L-Glutamic Dehydrogenase (NADP) from Candida utilis, Lyophilized powder, 50-200 units/mg protein