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670 results for Enzymy

Hledali jste: Enzymy

Enzymy

Enzymes accelerate, or catalyse, chemical reactions, and they are known to catalyse more than 5,000 biochemical reaction types. Most enzymes are proteins, although a few are catalytic RNA molecules. Choose specific enzymes for cleaving bonds, removing genomic DNA from RNA preparations, for producing fragments of proteins, or for use in ion exchange chromatography. Enzymes are used in the chemical industry and other industrial applications when extremely specific catalysts are required.

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Pig Diaphorase (from Heart), MP Biomedicals

Supplier: MP Biomedicals

Pig Diaphorase (from Heart)

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Streptomyces hyalurolyticus hyaluronidase, MP Biomedicals

Supplier: MP Biomedicals

The hyaluronidase is purified from Streptomyces hyalurolyticus. This enzyme belongs to the endo-beta-hexosaminidase and endo-eliminase type enzyme that produces oligo-saccharide (unsaturated tetraose and pentose) by hydrolysing the beta-1,4-linkage of hyaluronic acid. It is stable in both high temperature and acid or alkaline range. It has high substrate specificity and hydrolyzes hyaluronic acid only in mucopolysaccharide.

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Arthrobacter luteus zymolyase, MP Biomedicals

Arthrobacter luteus zymolyase, MP Biomedicals

Supplier: MP Biomedicals

Zymolyase 100T is used to lyse living yeast cell walls to produce protoplast or spheroplast of various strains of yeast cells. It may also be used for glucan hydrolysis.

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Flavobacterium meningosepticum Proline specific endopeptidase, MP Biomedicals

Supplier: MP Biomedicals

Proline specific endopeptidase specifically cleaves peptide bonds on the carboxy side of proline residues.

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Recombinant Vaccinia virus capping enzyme (from E. coli)

Supplier: Abnova

Recombinant Vaccinia virus capping enzyme (from E. coli)

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Recombinant Vaccinia virus capping enzyme (from E. coli)

Supplier: Abnova

Recombinant Vaccinia virus capping enzyme (from E. coli)

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Recombinant Bovine ENTEROKINASE (from P. pastoris), His-tag

Supplier: Abnova

Recombinant Bovine ENTEROKINASE (from P. pastoris), His-tag

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Human native collagenase type 3 (from Clostridium histolyticum)

Human native collagenase type 3 (from Clostridium histolyticum)

Supplier: Abnova

Collagenases are enzymes that break the peptide bonds in collagen.

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Papain, MP Biomedicals

Supplier: MP Biomedicals

One unit will hydrolyse 1,0 µmole of N-alpha-benzoyl-L-arginine ethyl ester (BAEE) per minute at 25 °C and pH 6,2.

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illustra Exonuclease I

illustra Exonuclease I

Supplier: Cytiva

Exonuclease I acts specifically on single-stranded DNA degrading it processively in the 3'- to 5'-direction, producing 5'-mononucleotides. Applications include eliminating residual single-stranded DNA containing a 3'-terminus, measuring endonucleolytic cleavage of covalently closed circular (ccc) ssDNA, measuring DNA helicase activity.

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Formaldehyde dehydrogenase, MP Biomedicals

Supplier: MP Biomedicals

One unit will oxidise 1,0 µmole of formaldehyde to formic acid per minute at pH 7,5 and 37 °C.

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Peroxidase, MP Biomedicals

Supplier: MP Biomedicals

Soluble in distilled water. Soluble in 0,1 M potassium phosphate buffer, pH 6,0 (monobasic potassium phosphate adjusted to pH 6,0 with 1,0 M potassium hydroxide) (10 mg/ml yields a clear, red-brown solution). Solutions of HRP can be kept refrigerated for up to a year while maintaining practically undiminished activity. Optimal pH is 6,0 to 6,5 (activity at pH 7,5 is 84% of the maximum). The enzyme is most stable in the pH range of 5,0 to 9,0 (Lit.).

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Fig tree Ficin, MP Biomedicals

Supplier: MP Biomedicals

Fig tree Ficin

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Clostridium histolyticum Collagenase Type II, MP Biomedicals

Supplier: MP Biomedicals

Collagenases degrade native helical collagen fibrils. The enzyme has an important role in connective tissue metabolism and is produced by specific cells involved in repairs and remodelling processes. It is a type II enzyme that contains greater clostripain activity. It is generally used for heart, bone, muscle, thyroid, cartilage, and liver cells. Ca²⁺ is required for its activation while metal chelating agents such as cysteine, EDTA or o-phenanthroline inhibits its activity.

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Helix pomatia beta-Glucuronidase, MP Biomedicals

Supplier: MP Biomedicals

Beta-glucuronidases are members of the glycosidase family of enzymes that catalyse breakdown of complex carbohydrates. Human β-glucuronidase is a type of glucuronidase that catalyses hydrolysis of β-D-glucuronic acid residues from the non-reducing end of mucopolysaccharides, such as heparan sulfate. In human gut β-glucuronidase converts conjugated bilirubin to the unconjugated form for reabsorption.

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Myrothecium sp. Bilirubin oxidase, MP Biomedicals

Supplier: MP Biomedicals

Myrothecium sp. Bilirubin oxidase

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Cucumis sp. ascorbate oxidase, MP Biomedicals

Supplier: MP Biomedicals

Ascorbate Oxidase is an enzyme belonging to the family of oxidoreductases that catalyses the reaction: Ascorbic acid +¹/₂ O₂ ascorbate oxidase → Dehydroascorbic acid +H₂O.

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Alcaligenes sp. Choline Oxidase, MP Biomedicals

Supplier: MP Biomedicals

Activity: 10 units/mg solid or more (containing approx. 20% of stabilisers). Unit definition: One unit causes the formation of one micromole of hydrogen peroxide per minute at pH 8,0 at 37 °C. Ref.: P.J.G. Mann and J.H. Quastel, Biochem. J., 31: 869 (1937)

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Recombinant mRNA Cap 2'-O-methyltransferase (from E. coli)

Supplier: Abnova

Recombinant mRNA Cap 2'-O-methyltransferase (from E. coli)

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Recombinant Poly(A) Polymerase (from E. coli)

Supplier: Abnova

Recombinant Poly(A) Polymerase (from E. coli)

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Synthetic Yeast Inorganic Pyrophosphatase (from E. coli)

Supplier: Abnova

Synthetic Yeast Inorganic Pyrophosphatase (from E. coli)

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Alcohol dehydrogenase, MP Biomedicals

Supplier: MP Biomedicals

Dissolves readily at 5 mg/ml in 0,01 M Sodium Phosphate pH 7,5 to give a clear colourless solution.

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Pepsin

Supplier: Thermo Fisher Scientific

Contains either Lactose or Maltodextrin excipient

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Papain

Papain

Supplier: Thermo Fisher Scientific

CAS No.: 9001-73-4

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Clostridium histolyticum Collagenase type IV (from Clostridium histolyticum), MP Biomedicals

Supplier: MP Biomedicals

Activators: Ca²⁺ is required. Inhibitors: Metal chelating agents such as cysteine, EDTA or o-phenanthroline but not DFP. It is also inhibited by a2-macroglobulin - a large plasma glycoprotein. The human skin enzyme is inhibited by human serum but granulocyte collagenase is not. Human serum contains a2-macroglobulin and a1-antitrypsin that may inhibit certain collagenases.

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Sorbitol dehydrogenase, MP Biomedicals

Supplier: MP Biomedicals

Sorbitol dehydrogenase has been used in a study to investigate osmotic stress induced oxidative damage as a possible mechanism of cataract formation in diabetes.

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Aldolase, MP Biomedicals

Supplier: MP Biomedicals

Aldolase is a tetrameric protein. It catalyses a key reaction in glycolysis and energy production:D-Fructose 1,6-bisphosphate aldolase → dihydroxyacetone phosphate + D-glyceraldehyde-3-phosphate. Aldolase is present in all animal tissue and in most microorganisms. There are two classes of aldolases. Class I aldolase is found in animal and higher plant tissue. Class II aldolase is found in primitrive cells such as yeasts and bacteria. Class I aldolase is characterised by not requiring a bivalent metal cofactor and the formation of a ketimine Schiff base intermediate with the substrate dihydroxyacetone phosphate. Class II aldolase requires a metal cofactor and is inhibited by EDTA. Three types of aldolase exist in animal tissue. The major form, type A is found in muscle; type B is found in liver tissue and type C (plus some type A) is found in brain tissue. Aldolase forms five isozymes which may to various degrees be organ specific.

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Thrombin

Thrombin

Supplier: Cytiva

Thrombin is a protease used to digest fusion proteins prepared from pGEX vectors containing the recognition sequence for thrombin (pGEX-1lT, pGEX-2T, pGEX-2TK, pGEX-4T-1, pGEX-4T-2, and pGEX-4T-3).

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alpha-Amylase, MP Biomedicals

Supplier: MP Biomedicals

One bacterial amylase unit is defined as that quantity of enzyme which will dextrinise one milligram of starch per minute at pH 6,6 and 30 °C.

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Cellulase (from Aspergillus niger), MP Biomedicals

Supplier: MP Biomedicals

Cellulase refers to a group of enzymes which, acting together, hydrolyse cellulose. The b-glucosidases, including cellobiose, are primarily active on the smaller molecular weight cellulose hydrolysates. During cellulose breakdown they are active on the dimers and oligomers of cellulose.

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