Order Center
 
Biochemicals

Antibiotic Explorer
BioUltra
Biomaterials
Detection
Detergent Theory
Enzyme Explorer
BioUltra Proteins
Product Indexes
Cell Signaling Enzymes
Analytical Enzymes
Enzyme Reagents
Key Resources
Lipids
Microparticles
Pharmacopoeia
PolyAmino Acids
Reference Chart
BioFiles

 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
  Lyases  
E.C. # Product Name Product # 
C-C bonds  
4.1.1.23 Orotidine-5¢-monophosphate decarboxylase baker's yeast (S. cerevisiae), Lyophilized powder, 30-65 units/mg protein (Biuret) O9251
4.1.1.3 Oxaloacetate decarboxylase Pseudomonas sp., 100-350 units/mg solid O4878
4.1.1.3 Oxaloacetate decarboxylase Pseudomonas sp., BioChemika, lyophilized, powder, slightly brown, ~140 U/mg 75657
4.1.1.5 a-Acetolactate Decarboxylase Bacillus subtilis, Lyophilized powder, approx. 60 units/mg solid A7206
4.1.1.5 a-Acetolactate Decarboxylase Bacillus subtilis, BioChemika, Lyophilized powder, brown, ~60 U/mg 00550
4.1.1.15 L-Glutamic Acid Decarboxylase Escherichia coli, Type II, Partially purified powder, 2.5-5.5 units/mg solid G2126
4.1.1.15 L-Glutamic Acid Decarboxylase Clostridium perfringens (C. welchii), Type III, Acetone powder, approx. 0.02 unit/mg solid G2251
4.1.1.15 L-Glutamic Acid Decarboxylase Clostridium perfringens (C. welchii), Type IV, Partially purified powder, 0.8-1.5 units/mg solid G2376
4.1.1.18 L-Lysine Decarboxylase Bacterium cadaveris, Type V, Partially purified powder, 1-3 units/mg protein (Biuret) L0882
4.1.1.18 L-Lysine Decarboxylase Bacterium cadaveris, Type III, approx. 0.01 unit/mg solid L6251
4.1.1.18 L-Lysine Decarboxylase Bacterium cadaveris, Type I, approx. 0.08 unit/mg solid L6126
4.1.1.18 L-Lysine Decarboxylase Bacterium cadaveris, BioChemika, crude acetone extract, ³0.1 U/mg substance 62890
4.1.1.19 L-Arginine Decarboxylase from Escherichia coli, ATCC 10787, Type II, Lyophilized powder, 5-15 units/mg protein A5381
4.1.1.22 L-Histidine Decarboxylase Clostridium perfringens (C. welchii), Type I, Crude acetone powder, 0.01-0.03 unit/mg solid H8250
4.1.1.22 L-Histidine Decarboxylase Lactobacillus 30a, Type III-S, Crude acetone powder, 0.25-0.5 unit/mg solid H3266
4.1.1.25 L-Tyrosine Decarboxylase Streptococcus faecalis, minimum 0.01 unit/mg solid T7677
4.1.1.25 L-Tyrosine Decarboxylase apoenzyme Streptococcus faecalis, <0.005 unit/mg solid (without pyridoxal 5-phosphate), minimum 0.05 unit/mg solid (with excess pyridoxal 5-phosphate) T7927
4.1.1.25 L-Tyrosine Decarboxylase Streptococcus faecalis, BioChemika, powder, beige, ³0.2 U/mg 93904
4.1.1.31 Phospho(enol)pyruvate Carboxylase corn, Ammonium sulfate suspension, minimum 1 units/mg protein P2023
4.1.1.31 Phospho(enol)pyruvate Carboxylase corn, BioChemika, powder, white, ~1 U/mg 79414
4.1.1.39 D-Ribulose 1,5-diphosphate Carboxylase from spinach, Partially purified powder, 0.01-0.1 unit/mg solid R8000
4.1.1.53 L-Phenylalanine Decarboxylase from Streptococcus faecalis, Dried cells, minimum 5 units/g solid P9957
4.1.1.53 L-Phenylalanine Decarboxylase from Streptococcus faecalis, BioChemika, powder, yellow-brown, 7 U/mg 78087
4.1.2.4 2-Deoxyribose-5-phosphate Aldolase from Lactobacillus plantarum, BioChemika, powder, slightly yellow, ~15 U/g 41228
4.1.2.5 L-Threonine Aldolase Candida humicola, BioChemika, Lyophilisate, slightly beige, ~10 U/g 53806
4.1.2.5 L-Threonine Aldolase from Pseudomonas putida, BioChemika, Lyophilisate, slightly yellow, ~0.2 U/mg 96586
4.1.2.10 Mandelonitrile Lyase almonds, Ammonium sulfate suspension, 80-240 units/mg protein (Biuret) M6782
4.1.2.13 Aldolase from rabbit muscle, Lyophilized powder, approx. 10 units/mg protein A2714
4.1.2.13 Aldolase–polyacrylamide from rabbit muscle, 10-20 units/g solid, 30°C A1386
4.1.2.13 Aldolase from spinach, Lyophilized powder, 0.3-1.0 units/mg protein A9329
4.1.2.13 Aldolase from rabbit muscle, Ammonium sulfate suspension, 10-20 units/mg protein A8811
4.1.2.13 Aldolase from Staphylococcus aureus, Type XII, Lyophilized powder, approx. 20 units/mg protein A2548
4.1.2.13 Aldolase from rabbit muscle, BioChemika, powder, white, 15-20 U/mg 05518
4.1.2.13 Aldolase from rabbit muscle, BioChemika, crystalline suspension in 3.2 M ammonium sulfate solution, pH ~6, ~9 U/mg protein (~10 mg/ml) 05520
4.1.2.13 Aldolase from Staphylococcus aureus, BioChemika, powder, white, ³10 U/mg 05522
4.1.2.13 Aldolase from Thermus aquaticus, BioChemika, lyophilisate, yellow, ~5 U/g 05525
4.1.2.13 Fructose-1,6-bisphosphate Aldolase from Bacillus subtilis, BioChemika, lyophilisate, slightly beige, ~30 U/g 80753
4.1.2.13 Fructose-1,6-bisphosphate Aldolase Staphylococcus carnosus, BioChemika, lyophilisate, slightly beige, ~0.4 U/mg 94864
4.1.2.37 (S)-Oxynitrilase from Manihot esculenta (Maniok), BioChemika, solution (turbid), ³3000 U/ml 71811
4.1.3.1 Isocitrate lyase from Bacillus stearothermophilus, Ammonium sulfate suspension, minimum 0.5 units/mg protein (Biuret) I6754
4.1.3.2 Malate Synthase from Bacillus stearothermophilus, Ammonium sulfate suspension, minimum 25 units/mg protein (Biuret) M0920
4.1.3.3 N-Acetylneuraminic acid Aldolase Escherichia coli, Lyophilized powder, minimum 20 units/mg protein, pH 7.7 (Biuret) A6680
4.1.3.3 N-Acetylneuraminic acid Aldolase Escherichia coli, BioChemika, powder, slightly yellow, ³15 U/mg 47153
4.1.3.6 Citrate Lyase from Enterobacter aerogenes, Lyophilized powder, minimum 0.2 unit/mg solid C0897
4.1.3.6 Citrate Lyase from Enterobacter aerogenes, BioChemika, powder, slightly beige, ~0.3 U/mg 27457
4.1.3.7 Citrate Synthase from Thermoplasma acidophilum, recombinant, expressed in Escherichia coli, Ammonium sulfate suspension, minimum 10 units/mg protein (Biuret) C9454
4.1.3.7 Citrate Synthase from porcine heart, Ammonium sulfate suspension, 100-200 units/mg protein (E1%/280) C3260
4.1.3.7 Citrate Synthase from pigeon breast muscle, Ammonium sulfate suspension, 80-150 units/mg protein (modified Warburg-Christian) C4140
4.1.3.16 4-Hydroxy-2-oxoglutarate Aldolase from E. coli, BioChemika, lyophilisate, white, ~0.1 U/mg 59892
4.1.99.1 Tryptophanase from Escherichia coli, 15-40 units/mg solid T0754
4.1.99.1 Tryptophanase from microorganisms, BioChemika, solution, yellow, ³2.5 U/mg protein (~100 mg/ml) 52384
4.1.99.2 b-Tyrosinase, BioChemika, solution, deep yellow, ³25 U/mg protein (~6 mg/ml) 40522
C-O bonds  
4.2.1.1 Carbonic Anhydrase Isozyme II from human erythrocytes, minimum 80%, Lyophilized powder, minimum 3,000 W-A units/mg protein C6165
4.2.1.1 Carbonic Anhydrase Isozyme II from bovine erythrocytes, Lyophilized powder, minimum 2,000 W-A units/mg protein C3640
4.2.1.1 Carbonic Anhydrase I human erythrocytes, Lyophilized powder, 100-500 W-A units/mg protein C4396
4.2.1.1 Carbonic Anhydrase from rabbit erythrocytes, Lyophilized powder, 1,000-4,000 W-A units/mg protein C1266
4.2.1.1 Carbonic Anhydrase bovine erythrocytes, Lyophilized powder, minimum 2,500 W-A units/mg protein C3934
4.2.1.1 Carbonic Anhydrase II bovine erythrocytes, Lyophilized powder, minimum 3,000 W-A units/mg protein C2522
4.2.1.1 Carbonic Anhydrase bovine erythrocytes, BioChemika, powder, white, >2000 U/mg 21803
4.2.1.1 Carbonic Anhydrase Isozyme II from bovine erythrocytes, BioChemika, powder, white, ~1800 U/mg 21807
4.2.2.1 Hyaluronidase Streptomyces hyalurolyticus, BioChemika, lyophilisate, white to slightly brown, ~0.1 U/vial 53725
4.2.1.2 Fumarase porcine heart, Ammonium sulfate suspension, 300-500 units/mg protein (Biuret) F1757
4.2.1.2 Fumarase porcine heart, Ammonium sulfate suspension, 300-500 units/mg protein (Biuret) F1757
4.2.1.3 Aconitase from porcine heart, suitable for assay of citrate when used in conjunction with isocitric dehydrogenase and NADP A5384
4.2.1.11 Enolase from baker's yeast (S. cerevisiae), Lyophilized powder, minimum 60 units/mg protein E6126
4.2.1.11 Enolase solution from rabbit muscle, Ammonium sulfate suspension, 25-35 units/mg protein (Biuret) E0379
4.2.1.17 Crotonase from bovine liver, Lyophilized powder, 500-1000 units/mg protein C6073
4.2.1.24 d-Aminolevulinate Dehydratase from bovine liver, Lyophilized powder, 0.5-4.0 units/mg protein A0442
4.2.2.- Chondroitinase C from Flavobacterium heparinum, Lyophilized powder, minimum 200 units/mg solid C0954
4.2.2.1 Hyaluronidase Streptomyces hyalurolyticus, Lyophilized powder H1136
4.2.2.3 Alginate Lyase from Flavobacterium sp., Powder A6973
4.2.2.4 Chondroitinase ABC from Proteus vulgaris, Lyophilized powder, 50-250 units/mg protein (using chondroitin sulfate C as substrate) C3667
4.2.2.4 Chondroitinase ABC from Proteus vulgaris, Lyophilized powder, 0.3-3 units/mg solid (using chondroitin sulfate C as substrate) C2905
4.2.2.4 Chondroitinase ABC from Proteus vulgaris, BioChemika, lyophilized, powder, slightly beige, 0.5-2 U/mg 27038
4.2.2.5 Chondroitinase AC from Arthrobacter aurescens C2262
4.2.2.5 Chondroitinase AC from Flavobacterium heparinum, Lyophilized powder, 0.5-1.5 units/mg solid (using chondroitin sulfate A as substrate, Also cleaves chondroitin sulfate C) C2780
4.2.2.7 Heparinase I from Flavobacterium heparinum, Lyophilized powder stabilized with approx. 25% bovine serum albumin., 200-600 unit/mg solid H2519
4.2.2.7 Heparinase I from Flavobacterium heparinum, BioChemika, crystals (fine), white, ~1 U/mg 51534
4.2.2.7 Heparinase I from Flavobacterium heparinum, BioChemika, lyophilized, powder, white, ~0.4 U/mg 51539
4.2.2.8 Heparinase III from Flavobacterium heparinum, 200-600 unit/mg solid, Lyophilized powder stabilized with approx. 25% bovine serum albumin H8891
4.2.2.10 Pectin Lyase acidic enzyme from Aspergillus niger, Buffered aqueous glycerol solution, 50-150 units/mg protein, pH 5.0 (Lowry, assayed in 100 mM citrate-phosphate buffer) P7052
C-N bonds  
4.3.1.3 Histidase from Pseudomonas fluorescens, Dried cells, 10-20 units/mg H7500
4.3.1.5 Phenylalanine Ammonia-Lyase from potato, Lyophilized powder, 0.001-0.01 units/mg protein P7774
4.3.1.5 Phenylalanine Ammonia-Lyase Rhodotorula glutinis, Grade I, Buffered aqueous glycerol solution, 0.8-2 units/mg protein P1016
4.3.1.5 Phenylalanine Ammonia-Lyase Rhodotorula glutinis, Grade II, Buffered aqueous glycerol solution, 0.2-0.8 units/mg protein P9519
C-S bonds  
4.4.1.5 Glyoxalase I from Saccharomyces cerevisiae, Grade IV, Buffered aqueous glycerol solution, 400-800 units/mg protein G4252
4.3.1.5 Phenylalanine Ammonia-Lyase Rhodotorula glutinis, BioChemika, in 60% glycerol, 3 mM TRIS HCl, pH 7.5 and 0.5 M ammonium sulfate, clear, colorless, >0.4 U/mg protein (~8 mg/ml) 78085
4.3.1.5 Phenylalanine Ammonia-Lyase Rhodotorula glutinis, BioChemika, lyophilized, powder, ~0.2 U/mg 78084
4.4.1.11 L-Methionine g-lyase from Pseudomonas putida, Lyophilized powder M4545
4.6.1.1 Adenylate Cyclase Escherichia coli, Buffered aqueous glycerol solution, 50-100 units/mg protein (Biuret) A0951
   back to top

Oxidoreductases | Transferases | Hydrolases (Acting on esters) | Hydrolases (Glycosidases) | Hydrolases (Other) | Lyases | Isomerases | Ligases


Site Use Terms Terms and Conditions of Sale Privacy Business Development Contact Us
Copyrights © 2008 Sigma-Aldrich Co. All Rights Reserved.
Reproduction of any materials from the site is strictly forbidden without permission.
Sigma-Aldrich brand products are sold exclusively through Sigma-Aldrich, Inc.