Enzymes dans les Protéines Recombinantes

<p>Carboxypeptidase A (EC 3.4.17.1) is an exopeptidase enzyme. It hydrolyzes peptide bonds of C-terminal residues with aliphatic or aromatic side-chains. One unit of Carboxypeptidase A will hydrolyze 1.0 μmole of hippuryl-L-phenylalanine per min at pH 7.5 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>Sucrose phosphorylase (sucrose glucosyltransferase, disaccharide glucosyltransferase, systemic name Sucrose:orthophosphate α-D-glucosytransferase; EC 2.4.1.7) is an enzyme that catalyzes the following reaction:  sucrose + Pi ⇌ D-fructose + α-D-glucose-1-phosphate  One unit of Sucrose phosphorylase will produce 1.0 μmole of D-fructose per minute in the presence of sucrose and phosphate at pH 7.6 and 25 °C.</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>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 10 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>Neuraminidase (Exo-α-sialidase, sialidase, systematic name acetylneuraminyl hydrolase; EC 3.2.1.18) is an enzyme that catalyzes hydrolysis of glycosidic linkages of neuraminic acids. As it is exo-hydrolase, it hydrolyzes terminal N- or O- acylneuramic acid units, that are linked by α2,3-, α2,6-, and α2,8- glycosidic bonds. One unit of neuraminidase will hydrolyze 1 μmol N-acetyl-neuraminosyl-D-lactose under optimal conditions.</p>

<p>Nitrile hydratase 19 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>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>Nitrile hydratase 20 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>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>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>Nitrile hydratase 01 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>Ornithine decarboxylase (ODC1) is an enzyme which belongs to the Orn/Lys/Arg decarboxylase class-II family.</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>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>Beta lactamase kit consisting of six different beta-lactamases with individual substrate specificity profiles against a broad range of beta-lactam antibiotics including penicilins, cephalosporins as well as carbapenems. The kit is especially designed for screening and finding the most well suited beta-lactamase for your specific process. Each vial contains at least 1000 IU beta I activity. Our beta-lactamases have been optimized for sterility testing and environmental monitoring in the manufacture and dosage formulation of beta-lactam antibiotics and for specific diagnostic purposes.Kit components:</p>

<p>Nitrile hydratase 22 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>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>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>