Hledali jste: 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.
Acetylcholinesterase
Supplier: Merck
Acetylcholinesterase from Electrophorus electricus is a tetramer composed of 4 equal subunits of 70 kDa each. Each subunit contains one active site. The enzyme is a glycoprotein containing hexosamines.
Expand 3 Items
Bovine lactoperoxidase (from Milk)
Supplier: Merck
Lactoperoxidase catalyses the oxidation of iodide to iodine by hydrogen peroxide.
Expand 1 Items
Horseradish peroxidase, Typ X
Supplier: Merck
Horseradish peroxidase, Typ X
Expand 4 Items
Bovine desoxyribonuclease I Typ IV (from Pancreas)
Supplier: Merck
Bovine desoxyribonuclease I Typ IV (from Pancreas)
Expand 4 Items
Recombinant SOLu-trypsin (from P. pastoris)
Supplier: Merck
SOLu-Trypsin is an advanced proteomics grade enzyme that is solution stable for mass spectrometry. Recombinant, expressed in Pichia pastoris.
Expand 2 Items
Acetyl coenzyme A
Supplier: Merck
An essential cofactor in enzymatic acetyl transfer reactions.
Expand 5 Items
Bovine desoxyribonuclease I (from Pancreas)
Supplier: Merck
Bovine desoxyribonuclease I (from Pancreas)
Expand 2 Items
Glucose-6-Phosphate Dehydrogenase
Supplier: Merck
Glucose-6-phosphate dehydrogenase is used to test ketose reductase activity in developing maize endosperm. It catalyses the conversion of glucose-6-phosphate to 6-phosphogluconolacetone as the first step in the pentose phosphate pathway. Also it is a key regulatory enzyme in the first step of the pentose phosphate pathway.
Expand 4 Items
Rabbit Triosephosphate isomerase (from Muscle)
Supplier: Merck
Triosephosphate isomerase has been used in a study to assess changes in cardiac energy metabolic pathways in overweight rats fed a high-fat diet.
Expand 2 Items
Glucose oxidase (from Aspergillus niger)
Supplier: Merck
Glucose oxidase from Aspergillus niger, Type X-S.
Expand 5 Items
Glucose oxidase (from Aspergillus niger)
Supplier: Merck
Glucose oxidase (from Aspergillus niger)
Expand 4 Items
Linamarase (beta-D-Glucosidase)
Supplier: Merck
Linamarase (beta-D-Glucosidase)
Expand 3 Items
Bovine L-Lactate dehydrogenase Typ XVII (from Heart)
Supplier: Merck
Bovine L-Lactate dehydrogenase Typ XVII (from Heart)
Expand 3 Items
Recombinant desoxyribonuclease I
Supplier: Merck
Recombinant desoxyribonuclease I
Expand 2 Items
Alcohol dehydrogenase (from Saccharomyces cerevisiae)
Supplier: Merck
ADH (alcohol dehydrogenase) is a enzymes for biofuel cell research.
Expand 6 Items
Oxidase, Bactident®, Millipore®
Supplier: Merck
Oxidase used for the detection of cytochrome oxidase in microorganisms.
Expand 1 Items
Catalase (from Micrococcus lysodeikticus)
Supplier: Merck
Catalase catalyzes the decomposition of hydrogen peroxide into water and oxygen. The enzyme activity will be in the range of 65000 to150000 U/mL at pH 7.0 and 25 °C.
Expand 1 Items
Chicken lysozyme (Muramidase) (from egg white)
Supplier: Merck
Chicken lysozyme (Muramidase) (from egg white)
Expand 1 Items
Pig Pancreatin (from Pancreas)
Supplier: Merck
Pig Pancreatin (from Pancreas)
Expand 2 Items
Laccase (from Trametes versicolor)
Supplier: Merck
Laccase catalyses the oxidation of phenol containing compounds, including lignin, through the reduction of oxygen to water. The presence of mediators will allow the oxidation of non-phenlic compounds as well. The primary function of laccase is to degrade lignin in fungi.
Expand 2 Items
Bovine Trypsin (from Pancreas)
Supplier: Merck
The trypsin molecule has two domains: one is related to the enzyme active site and the tryptophan residues; the other is related to the 8-anilinonaphthalene-1-sulfonate binding.
Expand 3 Items
Bovine L-lactate dehydrogenase Typ III (from Heart)
Supplier: Merck
Bovine L-lactate dehydrogenase Typ III (from Heart)
Expand 4 Items
alpha-Chymotrypsin
Supplier: Merck
Chymotrypsin (Chy) is a serine protease. It corresponds to a molecular weight of 25,7 kDa and is widely used in pharmaceutical industry.It is synthesized in pancreas from chymotrypsinogen and require calcium for this conversion.α-Chymotrypsin from bovine pancreas (bovine pancreatic α-chymotrypsin, CHT) is an enzyme protein.The influence of varying concentrations of organic solvents like ethanol, 1,4-dioxane and acetonitrile on CHT has been reported.
Expand 2 Items
alpha-Chymotrypsin
Supplier: Merck
α-Chymotrypsin is a serine peptidase and has 241 amino acid residues contained in three polypeptide chains (A chain-13 residues, B chain-131 residues, and C chain-97 residues) linked by disulfide bridges. Molecular weight of this enzyme is found to be 25 kDa. Its pI is 8,75. It selectively hydrolyses peptide bonds on the C-terminal side of tyrosine, phenylalanine, tryptophan, and leucine. Ca²⁺ activates and stabilizes the enzyme. The enzyme is inhibited by diisopropyl fluorophosphate (DFP), phenylmethanesulfonyl fluoride (PMSF), N-p-tosyl-L-phenylalanine chloromethyl ketone (TPCK), chymostatin, aprotinin, α1-antitrypsin, α2-macroglobulin, 10 mM Cu²⁺ and Hg²⁺.A serine protease that hydrolyzes peptide bonds with aromatic or large hydrophobic side chains (Tyr, Trp, Phe, Met, Leu) on the carboxyl end of the bond.
Expand 3 Items
Pineapple Bromelain (from Stem)
Supplier: Merck
Bromelain from pineapple stem has been used to evaluate the aqueous micellar two-phase systems composed of ionic liquids as co-surfactants, as a positive control in sodium dodecyl sulfate (SDS) / polyacrylamide gel electrophoresis (PAGE) and in cells proliferation assay, to study its potential analgesic effect and to evaluate its hydrolysing effects on proenkephalin (PENK)-derived peptides containing enkephalin sequences.