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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
  Hydrolases  
E.C. # Product Name Product # 
Acting on esters  
3.1.1.1 Esterase solution porcine liver, Ammonium sulfate suspension, minimum 150 units/mg protein (Biuret) E2884
3.1.1.1 Esterase rabbit liver, Lyophilized powder, approx. 100 units/mg protein E0887
3.1.1.1 Esterase from porcine liver, Lyophilized powder, minimum 15 units/mg solid E3019
3.1.1.1 Esterase rabbit liver, Ammonium sulfate suspension, 80-120 units/mg protein (Biuret) E9636
3.1.1.1 Esterase from porcine liver, BioChemika, lyophilized, powder, slightly beige, ³130 U/mg 46058
3.1.1.1 Esterase from porcine liver, BioChemika, suspension in 3.2 M ammonium sulfate solution, ~130 U/mg protein (~10 mg/ml) 46063
3.1.1.1 Arecoline hydrobromide, VETRANAL®, Analytical standard 46063
3.1.1.1 Esterase Isoenzyme 1 hog liver, BioChemika, suspension in 3.2 M ammonium sulfate solution, ~200 U/mg protein (~15 mg/ml) 46048
3.1.1.1 Esterase from horse liver, BioChemika, lyophilized, powder, brown, 0.5-1.0 U/mg 46069
3.1.1.1 Flufenoxuron, PESTANAL®, Analytical standard 46069
3.1.1.1 Amprolium hydrochloride, VETRANAL®, Analytical standard 46062
3.1.1.1 Esterase from Bacillus sp., BioChemika, ~0.1 U/mg 46062
3.1.1.1 Anthracene, OEKANAL®, Analytical standard 46051
3.1.1.1 Esterase from Bacillus stearothermophilus, BioChemika, ~0.4 U/mg 46051
3.1.1.1 Esterase Bacillus thermoglucosidasius, BioChemika, lyophilized, powder, beige, ~0.1 U/mg 46054
3.1.1.1 Esterase Streptomyces diastatochromogenes, recombinant from E. coli, BioChemika, powder, slightly beige, ³50 U/mg 78042
3.1.1.1 Ampicillin trihydrate, VETRANAL®, Analytical standard 46061
3.1.1.1 Esterase from Thermoanaerobium brockii, BioChemika, powder, off-white, ~2 U/g 46061
3.1.1.1 Esterase Candida lipolytica, BioChemika, ~0.1 U/mg 46056
3.1.1.1 Esterase Saccharomyces cerevisiae, BioChemika, lyophilized, powder, beige, ~2 U/g 46071
3.1.1.1 Cycloxidim, PESTANAL®, Analytical standard 46071
3.1.1.1 Esterase Mucor miehei, BioChemika, powder, slightly brown, ~1 U/mg 46059
3.1.1.1 p-Arsanilic acid, VETRANAL®, Analytical standard 46059
3.1.1.1 Esterase Rhizomucor miehei, recombinant Aspergillus oryzae, BioChemika, solution, very deep brown, ³250 U/ml 75900
3.1.1.1 Esterase Rhizopus oryzae, BioChemika, powder, light-beige, ³20 U/g 79208
3.1.1.1 Esterase Thermomyces lanuginosus, recombinant Aspergillus oryzae, BioChemika, solution, light brown, >1200 U/ml 27637
3.1.1.3 Lipase porcine pancreas, Type VI-S, Lyophilized powder, 20,000-100,000 units/mg protein (using olive oil) L0382
3.1.1.3 Lipase from Thermomyces lanuginosus, Solution, minimum 100,000 U/g L0777
3.1.1.3 Lipase from Thermomyces lanuginosus, minimum 50,000 U/g L0902
3.1.1.3 Lipase from wheat germ, Type I, Lyophilized powder, approx. 10 units/mg protein (using triacetin;, inactive on olive oil.) L3001
3.1.1.3 Lipase Rhizopus niveus, Lyophilized powder, minimum 25 units/mg solid (using olive oil) L9406
3.1.1.3 Lipase Rhizopus arrhizus, Type XI, Ammonium sulfate suspension, minimum 400,000 units/mg protein (using olive oil (30 min incubation)) L4384
3.1.1.3 Lipase from Pseudomonas sp., Type XIII, Lyophilized powder, approx. 25 units/mg solid L9518
3.1.1.3 Lipase–Macroporous acrylic beads from Candida rugosa, Type VII-A, 300-1200 units/g solid, pH 7.2, 37°C (using olive oil) L1150
3.1.1.3 Lipase from Rhizomucor miehei, minimum 20,000 U/g L4277
3.1.1.3 Lipase acrylic resin from Candida antarctica, minimum 10,000 U/g L4777
3.1.1.3 Lipase Immobilized on cellulose from Pseudomonas sp., minimum 0.5 unit/mg solid L4783
3.1.1.3 Lipase porcine pancreas, Type II, 100-400 units/mg protein (using olive oil (30 min incubation)), 30-90 units/mg protein (using triacetin;) L3126
3.1.1.3 Lipase from Mucor miehei, Lyophilized powder, minimum 4,000 units/mg solid (using olive oil) L9031
3.1.1.3 Lipase Mucor javanicus, Lyophilized powder, minimum 300 units/mg solid (using olive oil) L8906
3.1.1.3 Lipase human pancreas, Buffered aqueous solution, minimum 250 units/mg protein (Lowry) L9780
3.1.1.3 Lipase from Chromobacterium viscosum, Type XII, Lyophilized powder, 2,000-8,000 units/mg protein (using olive oil (30 min incubation)) L0763
3.1.1.3 Lipase Candida rugosa, Type VII, 700-1,500 units/mg solid, pH 7.2 (using olive oil (30 min incubation)) L1754
3.1.1.3 Lipase Candida rugosa, Lyophilized powder, minimum 50,000 units/mg protein, pH 7.2 (30 min incubation) L8525
3.1.1.3 Lipase Pseudomonas cepacia, Lyophilized powder, minimum 50 units/g solid L9156
3.1.1.3 Lipase porcine pancreas, BioChemika, lyophilized, powder, ³100 U/mg 62313
3.1.1.3 Lipase porcine pancreas, BioChemika, powder, 15-35 U/mg 62300
3.1.1.3 Lipase from wheat germ, BioChemika, ~0.1 U/mg 62306
3.1.1.3 Lipase from Burkholderia sp., BioChemika, lyophilisate, slightly beige, ~12 U/mg 75577
3.1.1.3 Lipase Pseudomonas cepacia, BioChemika, powder, light beige, ~50 U/mg 62309
3.1.1.3 Lipase from Pseudomonas fluorescens, BioChemika, lyophilized, powder, grey, ~3500 U/mg 62321
3.1.1.3 Lipase from Pseudomonas fluorescens, BioChemika, powder, slightly beige, ~40 U/mg 95608
3.1.1.3 Lipase from Pseudomonas fluorescens, BioChemika, EnzOS grade, powder, almost white, ~2 U/mg 71548
3.1.1.3 Lipase Pseudomonas stutzeri, BioChemika, powder, light beige, ³4 U/mg 66727
3.1.1.3 Lipase from Thermus aquaticus, BioChemika, lyophilized, powder, ~3 U/g 62293
3.1.1.3 Lipase from Thermus flavus, BioChemika, powder, brown, ~0.7 U/g 62295
3.1.1.3 Lipase Thermus thermophilus, BioChemika, powder, brown, ~0.6 U/g 62296
3.1.1.3 Lipase Candida antarctica, BioChemika, powder, light brown, ~3 U/mg 62299
3.1.1.3 Lipase Candida antarctica, BioChemika, lyophilized, powder, beige, ~0.5 U/mg 02569
3.1.1.3 Lipase A Candida antarctica, recombinant Aspergillus oryzae, BioChemika, powder, beige, ~2 U/mg 62287
3.1.1.3 Lipase B Candida antarctica, recombinant Aspergillus oryzae, BioChemika, powder, beige, ~9 U/mg 62288
3.1.1.3 Lipase Candida cylindracea, BioChemika, lyophilized, powder (fine), 15-25 U/mg 62302
3.1.1.3 Lipase Candida cylindracea, BioChemika, powder, yellow-brown, ~2 U/mg 62316
3.1.1.3 Lipase Candida lipolytica, BioChemika, powder (fine), ~1 U/g 62303
3.1.1.3 Lipase Candida rugosa, BioChemika, powder, slightly beige, >2 U/mg 90860
3.1.1.3 Lipase Candida utilis, BioChemika, powder, brown, ~0.1 U/mg 62307
3.1.1.3 Lipase from Aspergillus niger, BioChemika, powder (fine), ~200 U/g 62301
3.1.1.3 Lipase Aspergillus oryzae, BioChemika, lyophilized, powder, white, ~50 U/mg 62285
3.1.1.3 Lipase Aspergillus oryzae, BioChemika, EnzOS grade, powder, almost white, ~2 U/mg 95184
3.1.1.3 Lipase Mucor javanicus, BioChemika, powder (fine), ~10 U/mg 62304
3.1.1.3 Lipase from Mucor miehei, BioChemika, powder, slightly brown, ~1 U/mg 62298
3.1.1.3 Lipase Mucor miehei, recombinant Aspergillus oryzae, BioChemika, powder, slightly brown, ~10 U/mg 73416
3.1.1.3 Lipase Mucor miehei, recombinant Aspergillus oryzae, BioChemika, lyophilized, powder, brown, ³200 U/mg 62289
3.1.1.3 Lipase Rhizomucor miehei, recombinant Aspergillus oryzae, BioChemika, powder, beige-brown, ~0.5 U/mg 62291
3.1.1.3 Lipase Rhizopus arrhizus, BioChemika, powder (fine), ~10 U/mg 62305
3.1.1.3 Lipase Rhizopus delemar, BioChemika, ³0.4 U/mg 62328
3.1.1.3 Lipase Rhizopus niveus, BioChemika, powder (fine), ~1.5 U/mg 62310
3.1.1.3 Lipase Rhizopus oryzae, BioChemika, powder, light brown, ³30 U/mg 80612
3.1.1.3 Lipase from Penicillium camemberti, BioChemika, powder, slightly beige, ³5 U/g 96888
3.1.1.3 Lipase from Penicillium roqueforti, BioChemika, powder (fine), >0.4 U/mg 62308
3.1.1.4 Lecitase™ 10L, minimum 10,000 unit/mL P0861
3.1.1.4 Phospholipase A2 Naja mossambica mossambica, Lyophilized powder, minimum 300 units/mg protein, pH 8.9, 25°C (using soybean L-a-phosphatidylcholine) P7653
3.1.1.4 Phospholipase A2 from porcine pancreas, Ammonium sulfate suspension, minimum 600 units/mg protein, pH 8.0, 37°C (using soybean L-a-phosphatidylcholine) P6534
3.1.1.4 Phospholipase A2 Streptomyces violaceoruber, Lyophilized powder, minimum 10 units/mg solid, pH 8.0, 37°C P8685
3.1.1.4 Phospholipase A2 Naja naja venom, Lyophilized powder P6139
3.1.1.4 Phospholipase A2 Naja mossambica mossambica, Lyophilized powder, approx. 1,500 units/mg protein, pH 8.9, 25°C (using soybean L-a-phosphatidylcholine) P7778
3.1.1.4 Phospholipase A2 from Streptomyces violaceoruber, Lyophilized powder, approx. 200 units/mg protein, pH 8.9, 25°C (using soybean L-a-phosphatidylcholine) P5910
3.1.1.4 Phospholipase A2 Crotalus atrox venom, Lyophilized powder, 300-700 units/mg protein, pH 8.9, 25°C (using soybean L-a-phosphatidylcholine) P3770
3.1.1.4 Phospholipase A2 Naja mossambica mossambica, Lyophilized powder, approx. 1,500 units/mg protein, pH 8.9, 25°C (using soybean L-a-phosphatidylcholine) P4034
3.1.1.4 Phospholipase A2 bovine pancreas, Lyophilized powder P8913
3.1.1.4 Phospholipase A2 honey bee venom, Salt-free, lyophilized powder P9279
3.1.1.5 Phospholipase B from Vibrio sp., Lyophilized powder, minimum 20 units/mg protein P8914
3.1.1.4 Phospholipase A2 Agkistrodon halys, BioChemika, powder, white, ~11 U/mg 79475
3.1.1.4 Phospholipase A2 bovine pancreas, BioChemika, 20%, powder, off-white, ~7 U/mg 79476
3.1.1.4 Phospholipase A2 honey bee venom, BioChemika, powder, off-white, ³1000 U/mg 79478
3.1.1.4 Phospholipase A2 from porcine pancreas, BioChemika, suspension, white, >600 U/mg protein (~3 mg/ml) 79482
3.1.1.4 Phospholipase A2 from porcine pancreas, BioChemika, lyophilized, powder, white, ~500 U/mg 79483
3.1.1.6 Acetylesterase from orange peel, Ammonium sulfate suspension, 5-20 units/mg protein (Biuret) A4530
3.1.1.7 Acetylcholine Esterase Electrophorus electricus (electric eel), Type V-S, Lyophilized powder, 1,000-2,000 units/mg protein C2888
3.1.1.7 Acetylcholinesterase-Agarose from Electrophorus electricus (electric eel), Ammonium sulfate suspension, 7,500-15,000 units/g agarose (One ml gel will yield 240-480 units) C2511
3.1.1.7 Acetylcholinesterase human, Lyophilized powder, Recombinant, minimum 2,000 units/mg protein (Lowry) C1682
3.1.1.7 Acetylcholinesterase from human erythrocytes, Buffered aqueous solution, minimum 500 units/mg protein (BCA) C0663
3.1.1.7 Acetylcholine Esterase Electrophorus electricus (electric eel), Type VI-S, Lyophilized powder, 200-600 units/mg protein C3389
3.1.1.7 Acetylcholine Esterase Electrophorus electricus (electric eel), Type III, Aqueous solution, approx. 1,000 units/mg protein C2629
3.1.1.7 Acetylcholine Esterase bovine erythrocytes, Type XII-S, Lyophilized powder, 0.25-1.0 unit/mg solid C5021
3.1.1.7 Acetylcholine Esterase Electrophorus electricus (electric eel), BioChemika, powder, slightly yellow, ~850 U/mg 01022
3.1.1.7 Acetylcholine Esterase Electrophorus electricus (electric eel), BioChemika, lyophilized, crystals, brown, 200-600 U/mg 01023
3.1.1.8 Butyrylcholinesterase from human serum, Lyophilized powder, minimum 3 units/mg C9971
3.1.1.8 Butyrylcholinesterase from equine serum, Lyophilized powder, minimum 1,000 units/mg protein C1057
3.1.1.8 Butyrylcholinesterase from equine serum, Lyophilized powder, minimum 500 units/mg protein C4290
3.1.1.8 Butyrylcholinesterase from equine serum, Lyophilized powder, 10-20 units/mg protein C7512
3.1.1.8 Butyrylcholinesterase from equine serum, BioChemika, lyophilized, powder, light brown, 8-16 U/mg 20777
3.1.1.11 Pectinesterase preparation orange peel, Ammonium sulfate suspension, 50-350 units/mg protein P0764
3.1.1.11 Pectinesterase from orange peel, Lyophilized powder, 350-700 units/mg protein P5400
3.1.1.11 Pectinesterase from orange peel, BioChemika, powder, slightly beige, >20 U/mg 76286
3.1.1.13 Cholesterol Esterase from Pseudomonas sp., Lyophilized powder, minimum 10,000 units/g protein C9281
3.1.1.13 Cholesterol Esterase from Pseudomonas sp., Lyophilized powder, minimum 200,000 units/g protein C1403
3.1.1.13 Cholesterol Esterase from porcine pancreas, Lyophilized powder, minimum 15,000 units/g protein C9464
3.1.1.13 Cholesterol Esterase bovine pancreas, Lyophilized powder, minimum 20,000 units/g protein C5921
3.1.1.13 Cholesterol Esterase bovine pancreas, Lyophilized powder, 800-1,600 units/g protein C3766
3.1.1.13 Cholesterol Esterase from porcine pancreas, BioChemika, lyophilized, powder, white, ~35 U/mg 26745
3.1.1.34 Lipoprotein Lipase from bovine milk, Ammonium sulfate suspension, 2,000-6,000 units/mg protein (BCA) L2254
3.1.1.34 Lipoprotein Lipase from Pseudomonas sp., Lyophilized powder, minimum 50,000 units/mg solid L9656
3.1.1.34 Lipoprotein Lipase Chromobacterium viscosum, BioChemika, lyophilized, powder, ~2500 U/mg (after reconstitution) 62333
3.1.1.34 Lipoprotein Lipase from Pseudomonas sp., BioChemika, lyophilized, powder, yellow-brown, ~160 U/mg 62336
3.1.1.34 Lipoprotein Lipase from Pseudomonas sp., BioChemika, lyophilized, powder, 1500-2500 U/mg 62335
3.1.2.15 Isopeptidase T from human erythrocytes, Buffered aqueous solution, >20 units/mg protein I1154
3.1.3.1 Phosphatase, Alkaline bovine, minimum 4000 units/mg protein, recombinant, expressed in Pichia pastoris P8361
3.1.3.1 Phosphatase, Alkaline from bovine liver, Lyophilized powder, approx. 10 units/mg protein (in glycine buffer) P7034
3.1.3.1 Phosphatase, Alkaline Escherichia coli, Ammonium sulfate suspension, approx. 10 units/mg protein (modified Warburg-Christian) P4377
3.1.3.1 Phosphatase, Alkaline Escherichia coli, Buffered aqueous glycerol solution P4069
3.1.3.1 Phosphatase, Alkaline from human placenta, minimum 1 unit/mg solid (in glycine buffer) P1391
3.1.3.1 Phosphatase, Alkaline from bovine milk, minimum 1 unit/mg solid (in glycine buffer) P5395
3.1.3.1 Phosphatase, Alkaline from human placenta, approx. 15 units/mg solid (in glycine buffer) P3895
3.1.3.1 Phosphatase, Alkaline calf intestine, Buffered aqueous glycerol solution P4978
3.1.3.1 Phosphatase, Alkaline from porcine kidney, Lyophilized powder, 100-300 DEA units/mg protein P4439
3.1.3.1 Phosphatase, Alkaline shrimp, minimum 1,000 DEA units/mL, Buffered aqueous glycerol solution P9088
3.1.3.1 Phosphatase, Alkaline Escherichia coli, Buffered aqueous glycerol solution P4069
3.1.3.1 Phosphatase, Alkaline from rabbit intestine, 0.2-0.6 unit/mg solid (in glycine buffer) P2265
3.1.3.1 Phosphatase, Alkaline bovine kidney, Lyophilized powder P4653
3.1.3.1 Phosphatase, Alkaline bovine intestinal mucosa, 10-30 DEA units/mg solid P7640
3.1.3.1 Phosphatase, Alkaline bovine intestinal mucosa, Buffered aqueous solution, 2,000-4,000 DEA units/mg protein P6774
3.1.3.1 Phosphatase, Alkaline Escherichia coli, Lyophilized powder, 30-60 units/mg protein (in glycine buffer) P5931
3.1.3.1 Phosphatase, Alkaline bovine intestinal mucosa, Lyophilized powder, 2,000-4,000 DEA units/mg protein P6772
3.1.3.1 Phosphatase, Alkaline bovine intestinal mucosa, Buffered aqueous glycerol solution, 4,000-6,000 DEA units/mg protein P3681
3.1.3.1 Phosphatase, Alkaline calf intestine, Buffered aqueous glycerol solution, minimum 4,000 DEA units/mg protein P7923
3.1.3.1 Phosphatase, Alkaline from porcine intestinal mucosa, approx. 1 unit/mg solid (in glycine buffer) P4002
3.1.3.1 Phosphatase, Alkaline from canine intestine, 1-3 units/mg solid (in glycine buffer) P8639
3.1.3.1 Phosphatase, Alkaline Escherichia coli, Suspension P4252
3.1.3.1 Phosphatase, Alkaline bovine intestinal mucosa, Type VII-S, Ammonium sulfate suspension, 2,000-4,000 DEA units/mg protein P5521
3.1.3.1 Phosphatase alkaline bovine intestinal mucosa, BioChemika, solution (clear), >10000 U/ml 79385
3.1.3.1 Phosphatase alkaline calf intestinal mucosa, BioChemika, solution in 50% glycerol with 5 mM MgCl2 and 0.1 mM ZnCl2, pH ~7.0, ~4200 U/mg protein (10-20 mg/ml) 79396
3.1.3.1 Phosphatase alkaline calf intestinal mucosa, BioChemika, for enzyme immunoassay, solution (clear, colorless), ~2500 U/mg protein (~10 mg/ml) 79390
3.1.3.1 Phosphatase alkaline calf intestinal mucosa, BioChemika, suspension (aqueous), white, ~2000 U/mg protein (~10 mg/ml) 79393
3.1.3.1 Phosphatase alkaline calf intestinal mucosa, BioChemika, lyophilized, powder, 0.5-2.5 U/mg 79392
3.1.3.1 Phosphatase alkaline from E. coli, BioChemika, suspension, white, ~50 U/mg protein (~5-~10 mg/ml) 79377
3.1.3.2 Phosphatase, Acid potato, Lyophilized powder, 3-10 units/mg solid P1146
3.1.3.2 Phosphatase, Acid wheat germ, minimum 0.4 unit/mg solid P3627
3.1.3.2 Phosphatase, Acid potato, Lyophilized powder, 0.5-1.0 unit/mg solid P3752
3.1.3.2 Phosphatase, Acid potato, Ammonium sulfate suspension, minimum 200 units/mg protein (Biuret) P0157
3.1.3.2 Phosphatase, Acid from sweet potato, Ammonium sulfate suspension, minimum 10 units/mg protein (modified Warburg-Christian) P1435
3.1.3.2 Phosphatase, Acid, Prostatic bovine semen, Lyophilized powder, approx. 2 units/g solid P3147
3.1.3.2 Phosphatase, Acid, Prostatic from bovine prostate, Lyophilized powder, approx. 10 units/g solid P6409
3.1.3.2 Phosphatase, Acid, Prostatic from human semen, Lyophilized powder, minimum 200 units/mg protein P1649
3.1.3.2 Phosphatase, Acid, Prostatic from human semen, Lyophilized powder, approx. 40 units/mg protein P1774
3.1.3.2 Phosphatase, Acid potato, Ammonium sulfate suspension, approx. 60 units/mg enzyme protein (Biuret) P6760
3.1.3.2 Phosphatase, Acid potato, BioChemika, suspension, white, ³50 U/ml protein (~10 mg/ml) 79397
3.1.3.2 Phosphatase, Acid wheat germ, BioChemika, essentially salt free, lyophilized, powder, 0.1-0.6 U/mg 79410
3.1.3.5 5¢-Nucleotidase from Crotalus atrox venom N5880
3.1.3.5 5¢-Nucleotidase-Agarose from Crotalus adamanteus N3264
3.1.3.5 5¢-Nucleotidase from Crotalus atrox venom, BioChemika, ~10% as protein, powder, off-white, ~25 U/mg 74692
3.1.3.6 3¢-Nucleotidase from rye grass, 40-120 units/mg protein N7008
3.1.3.9 Glucose-6-Phosphatase from rabbit liver, Powder with sucrose, 0.05-0.1 units/mg protein (Biuret) G5758
3.1.3.11 D-Fructose 1,6-bisphosphatase from rabbit muscle, Ammonium sulfate suspension, approx. 4 units/mg protein (Biuret) F3003
3.1.3.11 D-Fructose 1,6-bisphosphatase from torula yeast, Ammonium sulfate suspension, 10-30 units/mg protein (Biuret) F0254
3.1.3.25 myo-Inositol Monophosphatase from bovine brain, Lyophilized powder, 5-20 units/mg protein I0274
3.1.4.1 Phosphodiesterase I from Crotalus atrox, Type IV, Crude dried venom, minimum 0.01 unit/mg solid, pH 8.8, 37°C P4506
3.1.4.1 Phosphodiesterase I from Bothrops atrox, Type V, Crude dried venom, minimum 0.01 unit/mg solid, pH 8.8, 37°C P4631
3.1.4.1 Phosphodiesterase I from bovine intestinal mucosa, Ammonium sulfate suspension, 0.5-1 units/mg protein, pH 8.8, 37°C (Biuret) P6903
3.1.4.1 Phosphodiesterase I from Crotalus adamanteus venom, Lyophilized powder, 0.2-0.4 unit/mg solid, pH 8.8, 37°C P6877
3.1.4.1 Phosphodiesterase I from Crotalus adamanteus venom, Type VI, Crude dried venom, minimum 0.01 unit/mg solid, pH 8.8, 37°C P3134
3.1.4.2 sn-Glycerol-3-phosphocholine Phosphodiesterase from mold, Lyophilized powder, 5-20 units/mg protein G1642
3.1.4.3 Phospholipase C from Bacillus cereus, Type XI, Ammonium sulfate suspension P7147
3.1.4.3 Phospholipase C from Bacillus cereus, Type III, Lyophilized powder, 100-200 units/mg protein (using soybean L-a-phosphatidylcholine) P6135
3.1.4.3 Phospholipase C from Bacillus cereus, Lyophilized powder, 500-2,000 units/mg protein (using egg yolk phosphatidylcholine) P9439
3.1.4.3 Phospholipase C from Clostridium perfringens (C. welchii), Type IX, Lyophilized powder P1392
3.1.4.3 Phospholipase C from Clostridium perfringens (C. welchii), Type I, Lyophilized powder P7633
3.1.4.3 Phospholipase C from Clostridium perfringens (C. welchii), Type I-S, Lyophilized powder P9185
3.1.4.3 Phospholipase C from Clostridium perfringens (C. welchii), Type XIV, Lyophilized powder P4039
3.1.4.3 Phospholipase C from Bacillus cereus, BioChemika, powder, yellow-brown, ~12 U/mg 79477
3.1.4.3 Phospholipase C from Clostridium perfringens (C. welchii), BioChemika, powder, slightly beige, 30-200 U/mg 79485
3.1.4.3 Phospholipase C from Clostridium perfringens (C. welchii), BioChemika, lyophilized, powder, brown, ~4 U/mg 79487
3.1.4.4 Phospholipase D from Arachis hypogaea (peanut), Type II, Lyophilized powder, minimum 60 units/mg protein P0515
3.1.4.4 Phospholipase D from Arachis hypogaea (peanut), Type II, Lyophilized powder, 300-700 units/mg protein P0640
3.1.4.4 Phospholipase D from cabbage, Type IV, Lyophilized powder, minimum 200 units/mg solid P8398
3.1.4.4 Phospholipase D from Streptomyces chromofuscus, Lyophilized powder, minimum 2,000 units/mg solid P8023
3.1.4.4 Phospholipase D from Streptomyces sp., Type VII, Lyophilized powder, minimum 150 units/mg solid P4912
3.1.4.10 Phospholipase C, Phosphatidylinositol-specific from Bacillus cereus, Lyophilized powder, 3,000 units/mg protein (Lowry) P5542
3.1.4.10 Phospholipase C, Phosphatidylinositol-specific from Bacillus cereus, Buffered aqueous glycerol solution, 3,000 units/mg protein, minimum 3,000 units/mg protein (Lowry) P8804
3.1.4.12 Sphingomyelinase from Streptomyces sp., Lyophilized powder, 50-100 units/mg protein S8889
3.1.4.12 Sphingomyelinase from Bacillus cereus, Lyophilized powder, minimum 100 units/mg protein S7651
3.1.4.12 Sphingomyelinase from Bacillus cereus, Buffered aqueous glycerol solution, minimum 100 units/mg protein (Lowry) S9396
3.1.4.12 Sphingomyelinase human placenta, Buffered aqueous glycerol solution, minimum 100 units/mg protein (Lowry) S5383
3.1.4.12 Sphingomyelinase from Staphylococcus aureus, Buffered aqueous glycerol solution, 100-300 units/mg protein (Lowry) S8633
3.1.4.17 Phosphodiesterase, 3¢,5¢-cyclic-nucleotide-specific bovine brain, Lyophilized powder, approx. 0.2 units/mg protein P0134
3.1.4.17 Phosphodiesterase, 3¢,5¢-Cyclic Nucleotide, Activator-deficient, Lyophilized powder P1790
3.1.4.17 Phosphodiesterase, 3¢,5¢-cyclic-nucleotide-specific bovine brain, Lyophilized powder, 1-5 units/mg protein (without added activator),15-30 units/mg protein (in the presence of 0.03 mM Ca2+ and a saturating level (10 units per ml) of the protein activator (P2277)) P9529
3.1.4.17 Phosphodiesterase 3¢,5¢-Cyclic Nucleotide Activator-deficient from bovine heart, Lyophilized powder, >0.1 units/mg protein (with added activator) P0520
3.1.4.34 Ribonuclease H from Escherichia coli, 1,000-4,000 units/mL, recombinant, expressed in Escherichia coli, Buffered aqueous glycerol solution R6501
3.1.6.1 Sulfatase from abalone entrails, Type VIII, Lyophilized powder, 20-40 units/mg solid