Enzimi nelle Proteine Ricombinanti

<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 ICE lipase has been immobilized on a hydrophobic carrier by a covalent linkage. The immobilized CalB01 lipase has a temperature optimum in the 40 - 50 °C range and pH optimum between pH 5 and 8.</p>

<p>Phosphorylase B is an enzymatic protein, specifically an isoform of glycogen phosphorylase, derived from rabbit muscle. This enzyme plays a critical role in glycogen metabolism by catalyzing the phosphorolytic cleavage of α(1→4) glycosidic bonds in glycogen, releasing glucose-1-phosphate. The rabbit muscle source provides a well-studied model due to its high enzyme activity and availability, facilitating in-depth biochemical and structural analysis.</p>

<p>Nitrile hydratase 23 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>Creatinase is an enzyme (EC 3.5.3.3) that catalyzes the conversion of creatine to sarcosine and urea.</p>

<p>Luciferase enzymes sourced from Vibrio fischeri</p>

<p>Enzyme involved in protein translation and catalyzes the aminoacylation reaction</p>

<p>Alcohol oxidase (EC 1.1.3.13) is an enzyme that catalyzes the following chemical reaction: a primary alcohol + O2 + H2O ⇌ an aldehyde + H2O2   One unit of alcohol oxidase will oxidize 1.0 µmole of methanol to formaldehyde per min at pH 7.5 and 25 °C.</p>

<p>Sphingomyelinase (SMase, Sphingomyelin phosphodiesterase, systematic name sphingomyelin cholinephosphohydrolase; EC 3.1.4.12) is an enzyme that hydrolyses sphingomyelin into phosphocholine and ceramide. One unit of sphingomyelinase will hydrolyze 1.0 µmole of chromogenic substrate analogue per minute at pH 7.4 and 37 °C.</p>

<p>Nitrilase (nitrile aminohydrolase; EC 3.5.5.1) in an enzyme that catalyzes hydrolysis of nitriles to carboxilic acids and ammonia:  R-CN + 2 H2O → R-COO- + NH4+  One unit of nitrilase will yield 1.0 μmol of ammonia per minute under optimal reaction conditions using acrylonitrile as a substrate.</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 03 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>Lipoprotein lipase is a critical enzyme used to modulate lipid processing, primarily sourced from mammalian tissues. It functions by hydrolyzing triglycerides present in circulating chylomicrons and very low-density lipoproteins. This enzymatic process liberates free fatty acids, which can subsequently be utilized as energy by peripheral tissues or stored in adipose tissue. Lipoprotein lipase is pivotal in lipid metabolism, participating in maintaining homeostasis of plasma lipid levels.</p>

<p>Glucose-6-phosphate isomerase (GPI, phosphoglucose isomerase/phosphoglucoisomerase, PGI, phosphohexose isomerase, PHI; EC 5.3.1.9) is an enzyme that catalyses isomerisation between Glucose-6-phosphate and Fructose-6-phosphate:  G6P ⇌ F6P  One unit of GPI will convert 1.0 mmole of Fructose-6-phosphate to Glucose-6-phosphate per minute at pH 7.4 and 25 °C.</p>

<p>α-Mannosidase (α-D-mannopyranosidase, 1,2-α-mannosidase, 1,2-α-D-mannosidase, exo-α-mannosidase, α-D-mannosidase, systematic name α-D-mannoside mannohydrolase; EC 3.2.1.24) is an enzyme that cleaves α-mannose to produce glucose. One unit of α-Mannosidase will hydrolyze 1.0 µmole of chromogenic phosphate mimic p-nitrophenyl-α-p-mannoside to p-nitrophenol in 1 minute at pH 5.0 and 37°C.</p>

<p>The secreted phospholipase A2-IIA (sPLA2-IIA, PLA2, systematic name phosphatidylcholine 2-acylhydrolase; EC 3.1.1.4) is an enzyme that catalyses the hydrolysis of glycerophospholipids at the sn2 position, yielding 1-acylglycerophosphocholine and a fatty acid. One unit of secreted phospholipase A2-IIA will hydrolyze 1.0 μmole of substrate per min under optimal conditions.</p>

<p>α-N-Acetylglucosaminidase (recombinant Human NAGLU Protein),  degrades heparan sulfate by hydrolysis of terminal GlcNAc resides in N-acetyl-alpha-D-glucosaminides of heparan sulfate.Activity is measured by its ability to hydrolyse 4-Nitrophenyl 2-acetamido-2-deoxy-a-D-glucopyranoside EN03208 or EM31027. The specific activity is &gt;900 pmol/min/μg, as measured under the decribed conditions.</p>

<p>Formaldehyde dehydrogenase (EC 1.2.1.46) is an enzyme that catalyzes the following reaction: formaldehyde + NAD+ + H2O ⇌ formate + NADH + H+ One unit of formaldehyde dehydrogenase will convert 1.0 µmole of formaldehyde to formic acid per minute at pH 7.5 and 37°C in the presence of NAD+.NAD+ is available here.</p>

<p>Serratiopeptidase (serratio peptidase, serratia peptidase, serrapeptidase, serratia E-15 protease, serralysin, serrapeptase; EC 3.4.24.40) is a proteolitic enzyme (proteinase) that is produced by Serratia marcescens.</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>