Enzymes dans les Protéines Recombinantes

<p>One unit of aldolase (EC 4.1.2.13) will convert 1.0 µmol of Fructose-1,6-Diphosphate to Dihydroxyacetone phosphate and Glyceraldehyde-3-phosphate per min at 25 °C and pH 7.4. Lyophilized Powder.</p>

<p>Urease from Canavalia ensiformis (Jack bean urease, EC 3.5.1.5) is an enzyme that catalyses the following reaction:  (NH2)2CO + H2O → CO2 + 2 NH3  One unit of urease will yield 1.0 µmole of NH3 from urea per min at pH 7.0 and 25 °C.</p>

<p>Nitrile hydratase 17 recombinantly expressed in E. coli comes in a freeze-dried formulation. Nitrile hydratases can be utilized to convert nitriles into their corresponding amides, e.g. to produce acrylamide from acrylonitrile. Additional applications include the removal of nitriles from industrial wastewater. Our nitrile hydratases have been tested for hydrolysis of the following substrates:cyclohexanecarbonitrile, cinnamonitrile, benzonitrile, methacrylonitrile, pivalonitrile.</p>

<p>Glutamic pyruvic transaminase (also Alanine transaminase, alanine aminotransferase; E.C. 2.6.1.2) is an enzyme that catalyzes the following reaction:  L-alanine + α-ketoglutarate ⇌ pyruvate + L-glutamate  One unit of Glutamic pyruvic transaminase will catalyze the conversion of 1.0 µmole per minute of L-alanine and α-ketoglutarate to L-glutamate and pyruvate, at 37°C and pH 7.4.</p>

<p>Poly(ADP-ribose) glycohydrolase is an enzyme, which is derived from various organisms, including eukaryotic cells. It plays a crucial role in the regulation of poly(ADP-ribose) (PAR) metabolism. This enzyme functions by hydrolyzing the glycosidic bonds in poly(ADP-ribose) chains, thereby regulating the cellular levels of PAR by converting it back to ADP-ribose units.</p>

<p>Enteropeptidase (historic name entorokinase; EC 3.4.21.9) is a proteolytic enzyme (proteinase) that activates trypsinogen into its active form, trypsin. One unit of enteropeptidase will produce 1.0 nmole of trypsin from trypsinogen per min at pH 5.6 and 25 °C.</p>

<p>Thioglucosidase (thioglucoside glucohydrolase, Myrosinase, sinigrinase, sinigrase; EC 3.2.1.147) is an enzyme that cleaves thio-linked glucosides:a thioglucoside + H2O ⇌ a sugar + a thiol (the thiol formed is usually unstable and undergoes spontaneous re-arrangement into a isothiocyanate through a loss of a sulfate group)One unit will produce 1.0 μmole glucose per min from sinigrin (a thio-linked glucoside) at pH 6.0 and 25 °C.</p>

<p>Heparinase I (heparin lyase I, heparin eliminase; EC 4.2.2.7) in an enzyme that specifically cleaves oligosaccharides to remove heparan sulfate residues. One unit will form 1.0 μmole of unsaturated uronic acid per minute at pH 7.5 and 25 °C.</p>

<p>Nitrile hydratase 14 recombinantly expressed in E. coli comes in a freeze-dried formulation. Nitrile hydratases can be utilized to convert nitriles into their corresponding amidese, e.g. to produce acrylamide from acrylonitrile. Additional applications include the removal of nitriles from industrial wastewater. Our nitrile hydratases have been tested for hydrolysis of the following substrates:cyclohexanecarbonitrile, cinnamonitrile, benzonitrile, methacrylonitrile, pivalonitrile.</p>

<p>LacBuster®-S 2000 is a solid and Gamma-irradiated, freeze-dried, broad range beta-lactamase formulation with 2000 IU beta-lactamase II and 20000 IU beta-lactamase I activity per vial.</p>

<p>Kit of 10 unique, nitrile hydratases recombinantly expressed in E. coli for screening. Nitrile hydratases can be utilized to convert nitriles into their corresponding amides, e.g. to produce acrylamide from acrylonitrile. Additional applications include the removal of nitriles from industrial wastewater. Please note, that the kit enzymes can also be supplied as whole cell biocatalysts in large scale.</p>

<p>Glutaminase (glutaminase I, L-glutaminase, glutamine aminohydrolase; EC 3.5.1.2) is an enzyme that catalyzes the following reaction:  L-glutamine + H2O → L-glutamate + NH4+  One unit of glutaminase will convert 1.0 μmole of L-glutamine into L-glutamate per min at pH 4.9 and 37 °C.</p>

<p>L-Glutamic dehydrogenase (NADP+ dependent, from proteus sp., EC 1.4.1.4)  is an enzyme that catalyzes the following reaction:  L-glutamate + H2O + NADP+ ⇌ 2-oxoglutarate + NH3 + NADPH + H+  One unit of L-Glutamic dehydrogenase will generate 1.0 μmole of 2-oxoglutarate from L-glutamate per min at pH 8.3, 30 °C and the presence of NADPH and ammonium. NADP+ is available here and NADPH is available here, depending on whether you require the reaction to proceed from left to right or from righ to left, respectively.</p>

<p>Nitrile hydratase 05 recombinantly expressed in E. coli comes in a freeze-dried formulation. Nitrile hydratases can be utilized to convert nitriles into their corresponding amides, e.g. to produce acrylamide from acrylonitrile. Additional applications include the removal of nitriles from industrial wastewater. Our nitrile hydratases have been tested for hydrolysis of the following substrates:cyclohexanecarbonitrile, cinnamonitrile, benzonitrile, methacrylonitrile, pivalonitrile.</p>

<p>Ubiquitin Conjugating enzyme E2C (other names UBE2C, UBCH10, dJ447F3.2, ubiquitin conjugating enzyme E2 C; EC 2.3.2.24) is an essential mediator of mitotic destruction events and cell cycle progression. It catalyzes the destruction of cyclins A and B in conjunction with the anaphase-promoting complex, and therefore, plays an important role in the control of the cell exit from mitosis This activity is essential at then end of mitosis for the inactivation of their partner kinase Cdc2 and exit from mitosis into G1 of the next cell cycle. In addition, UBE2C bears homology to yeast PAS2, a gene that is essential for biogenesis of peroxisomes. UBE2C is useful for in vitro ubiquitinylation reactions.</p>

<p>Neuron-specific enolase human (ENO2, Enolase 2, Neural enolase, Gamma-enolase, Phosphopyruvate hydratase, 2-phospho-D-glycerate hydro-lyase; EC 4.2.1.11) is the enzyme that is catalyzes the following reaction:  2-phospho-D-glycerate ⇌ phosphoenolpyruvate + H2O  One unit of enolase will convert 1.0 μmole of 2-phosphoglycerate to phosphoenolpyruvate per min.</p>

<p>Thermostable β-Glucanase 2 is an enzyme that hydrolases β-Glucans into glucose. One unit of β-Glucanase 2 will produce 1.0 μmole of glucose from β-glucan per minute at pH 5.8 and 70 °C.</p>

<p>Transglutaminase (2.3.2.13) is an enzyme that catalyzes formation of isopeptide bonds between the γ-carboxamide groups ( -(C=O)NH2 ) of glutamine side chains and amino groups. The donor of the amino group is usually (but not always) an ε-amino group ( -NH2 ) of lysine residue. The reaction also releases ammonia: Gln-(C=O)NH2 + NH2-Lys → Gln-(C=O)NH-Lys + NH3One unit of transglutaminase will catalyze the formation of 1.0 μmole transglutamination product per min at pH 6.0 and 37 °C.</p>

<p>Cellulose catalase is an enzyme-based product, designed specifically to act as a catalyst in the oxidative processes associated with cellulose applications. It is derived from a microbial source, where bacilli or fungi are employed to produce robust catalase enzymes in a fermentation process. The mode of action involves the catalase enzyme’s ability to facilitate the decomposition of hydrogen peroxide into water and oxygen, thereby reducing oxidative damage during cellulose processing.</p>

<p>Lipases belong to the family of esterases and naturally act on triglycerides at lipid-water interfaces. Lipases/esterases can be used as versatile tools in hydrolytic reactions, esterifications and transesterification reactions in industrial and food applications. The CalB01 lipase has a temperature optimum in the 40 - 50 °C range and pH optimum between pH 5 and 8.</p>

<p>Diaphorase (lipoyl dehydrogenase, EC 1.8.1.4) is an NAD+/NADH-dependent oxidoreductase. One unit of diaphorase will convert 1.0 μmole NADH into NAD+ the presence of substrate at pH 7.5 and 25 °C.</p>

<p>Malic dehydrogenase is a mitochondrial isozyme and an important catalyst in the tricarboxylic acid cycle. The enzyme catalyzes the following reaction: Oxaloacetate + β-NADH → L-Malate + β-NADOne unit will convert 1.0 μmole of oxalacetate and β-NADH to L-malate and β-NAD per min at pH 7.5 at 25 °C.</p>

<p>Lipase 77 recombinantly expressed in P. pastoris comes in a spray-dried formulation. It has its pH optimum at 4-5. Lipases belong to the family of esterases and naturally act on triglycerides at lipid-water interfaces catalyzing hydrolytic reactions, esterifications and transesterification reactions in industrial and food applications. Lipase 77 was shown to hydrolyze p-Nitrophenyl esters of butyrate and triglycerides.</p>

<p>Hyaluronidase is an enzymes that catalyses the degradation of hyaluronic acid.</p>

<p>Alcohol dehydrogenase (EC 1.1.1.1) is the enzyme that catalyzes interconversion between alcohols and aldehydes or ketones, using NAD+/NADH as a cofactor in the following reaction: CH3CH2OH + NAD+ ⇔ CH3CHO + NADH + H+     One unit of alcohol dehydrogenase will convert 1.0 µmol of ethanol to acetaldehyde per minute at pH 8.8 and 25 °C.</p>

<p>Protease enzymes break down proteins and are essential for many biological processes, including digestion, cellular regulation and blood clotting. They are also used in many industrial and biotechnological applications for example in food processing and in detergents.</p>

<p>β-Glucuronidase (EC 3.2.1.31) is an enzyme that hydrolyzes glucuronides. It can also be used to cleave benzodiazepine and steroid conjugates. One unit of β-Glucuronidase will hydrolyze a chromogenic substrate mimic 4-nitrophenyl-β-D-glucuronide to produce 1.0 μmole of 4-nitrophenol per minute at pH 5.0 and 37 °C.</p>

<p>Glutathione peroxidase (EC 1.11.1.9) is an enzyme that reduces peroxides to limit oxidative damage, by catalyzing the following reaction:  2 GSH + H2O2 → GS–SG + 2 H2O  One unit of glutathione peroxidase will catalyze the conversion of 1.0 µmole of H2O2 per minute at pH 7.0 and 25 °C in the presence of reduced glutathione. Reduced glutahione is available here.</p>

<p>Cytochrome C oxidase (originally assigned EC 1.9.3.1, now re-assigned EC 7.1.1.9) is an enzyme that catalyzes the following reaction: 4 Fe2+ – cytochrome c + 4 H+ + O2 → 4 Fe3+ – cytochrome c + 2 H2O</p>

<p>Ribonuclease A (RNase A) is widely used to break down RNA in DNA purification. RNase A catalyzes the endonucleolytic cleavage of phosphodiester bonds of RNA.</p>

<p>Protein phosphatase 2C is a key enzyme, which is a serine/threonine-specific phosphatase, derived from various organisms including humans, plants, and bacteria. This enzyme plays a pivotal role in cellular signaling by removing phosphate groups from serine and threonine residues on target proteins, a process known as dephosphorylation. This action is crucial for the regulation of diverse cellular functions, including stress responses, cell division, and apoptosis.</p>

<p>Lipases belong to the family of esterases and naturally act on triglycerides at lipid-water interfaces. Lipases/esterases can be used as versatile tools in hydrolytic reactions, esterifications and transesterification reactions in industrial and food applications. The Lipase 02 from the yeast Candida rugosa has a temperature optimum in the 30 - 50 °C range and pH optimum between pH 7 and 8.</p>

<p>Lipases belong to the family of esterases and naturally act on triglycerides at lipid-water interfaces. Lipases/esterases can be used as versatile tools in hydrolytic reactions, esterifications and transesterification reactions in industrial and food applications. The Lipase 01 from the yeast Candida rugosa has a temperature optimum in the 30 - 50 °C range and pH optimum between pH 7 and 8.</p>

<p>Oxalate Oxidase, freeze-dried, from Wheat is an enzyme preparation which is derived from wheat and functions through the oxidative degradation of oxalate. This enzyme catalyzes the conversion of oxalate into carbon dioxide and hydrogen peroxide, utilizing oxygen as a co-substrate in the process. The activity of Oxalate Oxidase is crucial in biological and biochemical applications where oxalate degradation is required.</p>

<p>Lipases belong to the family of esterases and naturally act on triglycerides at lipid-water interfaces. Lipases/esterases can be used as versatile tools in hydrolytic reactions, esterifications and transesterification reactions in industrial and food applications. The CalB01 IA lipase has been immobilized on a hydrophobic carrier by adsorption. The immobilized CalB01 lipase has a temperature optimum in the 40 - 50 °C range and pH optimum between pH 5 and 8.</p>

<p>An enzyme that catalyzes the formation and breakage of disulfide bonds in the folding of proteins</p>

<p>Lipases belong to the family of esterases and naturally act on triglycerides at lipid-water interfaces. Lipases/esterases can be used as versatile tools in hydrolytic reactions, esterifications and transesterification reactions in industrial and food applications. The CalB02 lipase has a temperature optimum in the 40 - 50 °C range and pH optimum between pH 5 and 8.</p>

<p>One unit will hydrolyse 1.0μmol of 4-nitrophenyl phosphate per minute at 37°C and pH 4.8.  Substrate for enzyme analysis is the 4-nitrophenyl phosphate disodium hexahydrate (EN08508).</p>

<p>L-Asparaginase (EC 3.5.1.1) is an enzyme that catalyzes the following reaction: L-Asparagine + H2O → L-Aspartate + NH4+   One unit will yield 1.0 μmole of ammonia from L-asparagine per min at pH 8.6 and 37 °C.</p>

<p>Asparaginase (EC 3.5.1.1) is an enzyme that catalyzes the following reaction: Asparagine + H2O → Aspartate + NH4+   Industrially, asparaginase is used to reduce the formation of acrylamide in starch-containing food ingredients and products during production processes. Asparaginase has a temperature optimum in the 30 – 50 °C range and pH optimum between pH 8 and 9. One unit will yield 1.0 μmole of ammonia from asparagine per min.</p>

<p>Phospholipases D belong to the family of esterases and act on phosphatidylcholine in the plasma membrane to release phosphatidic acid (PA) and choline. Phospholipases D can be used as versatile tools in hydrolysis and transphosphatidylation reactions for industrial, chemical and food applications. The Phospholipase D Kit contains 4 enzymes with a broad pH range for transphosphatidylation activity.</p>

<p>Deoxycytidine kinase (dCK, EC 2.7.1.74) is an enzyme that catalyzes the following reaction: dC + ATP → dCMP + ADP  It can also use UTP as a donor of the phosphate group, and it can phosphorylate other deoxyribonucleosides (e.g. dA, dG) as well as nucleoside analogues (like clofarabine). One unit of dCK will convert 1.0 µmole of dC and ATP to dCMP and ADP per minute at pH 7.5 and 37°C.</p>

<p>Cathepsin B is a lysosomal proteolytic enzyme of the cysteine protease family. It is present in all mammalian cells. It is essential for the intracellular protein turnover.  Cathepsin B may be a useful tool in Alzheimer′s research, as it may have a role in the natural defense against the disease.</p>

<p>Adenylate kinase 1 (EC 2.7.4.3) catalyzes interconversion between ATP, ADP and AMP by catalyzing the following reaction:  ATP + AMP ⇔ 2 ADP  One unit of Adenylate kinase 1 will convert 1.0 µmol ATP and 1.0 µmol AMP to 2.0 µmol ADP per min at optimum conditions.</p>

<p>Chloroperoxidase (also known as chloride peroxidase, systemic name chloride:hydrogen-peroxide oxidoreductase, EC 1.11.1.10) is an enzyme that catalyzes chlorination of organic compounds. Overall reaction is the following:R-H + Cl− + H2O2 + H+ → R-Cl + 2 H2O; reaction intermediate is hypochlorous acid (HOCl). One unit of chloroperoxidase will convert 1.0 μmole of substrate per minute.</p>

<p>Alpha Amylase (Amylase, α-Amylase, 1,4-α-D-glucan glucanohydrolase, glycogenase, systematic name 4-α-D-glucan glucanohydrolase; EC 3.2.1.1, CAS Number [9000-90-2]) is an enzyme that catalyses hydrolysis of large polysacharides into smaller fragments. Alpha amylase targets alpha bonds of 1→4 glycosidic linkages of poly- and oligosaccharides with three or more D-glucose units. One unit of Alpha Amylase will catalyze the hydrolysis of 1.0 μmol of 2-chloro-4-nitrophenyl-α-D-maltotrioside to yield 2-chloro-4-nitrophenol per minute at 37°C. Human pancreatic Alpha Amylase is supplied as clear, colorless to light yellow liquid solution at ≥400U/mL, specific activity ≥100 U/mg protein.Store at 2-8 °C on arrival.</p>

<p>Lipoxidase is an enzyme, which is typically sourced from various plant tissues, animals, and some microorganisms. It functions by catalyzing the oxidation of polyunsaturated fatty acids in the presence of oxygen. This enzymatic action results in the formation of lipid hydroperoxides, which are key intermediates in various biochemical pathways, including those involved in cell signaling and the modulation of gene expression.</p>