Enzymes in Recombinant Proteins

Cholesterol dehydrogenase (EC 1.1.1.840) is NADP+-dependant oxidoreductase, that catalyses the following reaction:cholesterol + NADP+ + H2O → cholest-4-en-3-one + NADPH + H+This is achieved by oxidizing alcohol hydroxy-group into ketone. One unit of cholesterol dehydrogenase will produce 1.0 μmole of cholest-4-en-3-one per minute at pH 8.5 and 25 °C.

Lipase 16 recombinantly expressed in E. coli comes in a spray-dried formulation. It has its pH optimum at 7-8 and temp. optimum at >40°C. 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 16 was shown to hydrolyze p-Nitrophenyl esters of butyrate (58 % activity compared to octanoate), octanoate (100 %), laurate (40 %), palmitate (27 %), stearate (13 %), arachidate (2 %) and behenate (0.2 %).

A proteolytic enzyme; degrades protein contaminants in nucleic acid preparations

Phospholipase D 040, concentrated (100 U/mg), spray-dried, recombinant, of prokaryotic origin, is an enzyme preparation designed for advanced biochemical applications. This enzyme is derived from a prokaryotic source through recombinant DNA technology, allowing for high purity and activity. Phospholipase D functions by catalyzing the hydrolysis of phospholipids to produce phosphatidic acid and free head groups, which is a crucial reaction in both lipid signaling and membrane dynamics.

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.

Lipase 04 recombinantly expressed in E. coli comes in a spray-dried formulation. It has its pH optimum at 6-7 and temp. optimum at 60-70°C. 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 04 was shown to hydrolyze p-Nitrophenyl esters of butyrate (100 % activity), octanoate (68 %), laurate (2 %), palmitate (2 %), stearate (2 %), arachidate (2 %) and behenate (2 %).

LacBuster™-S 2000 is an enzyme preparation, specifically a beta-lactamase, which is derived from bacterial sources known for their capacity to degrade beta-lactam antibiotics. Through hydrolytic cleavage of the beta-lactam ring, this enzyme neutralizes the efficacy of beta-lactam antibiotics, thereby rendering them inactive.

A catalase product which neutralizes hydrogen peroxide at much higher concentrations (>10 %) compared to pyruvate, which is only capable of completely neutralizing hydrogen peroxide at the lowest concentration tested (2 %). Catalase (EC 1.11.1.6) catalyzes the following reaction:2H2O2 → 2H2O + O21 unit of catalase will decompose 1.0 μmole of H2O2 per min at pH 7.0 and 25 °C.

VIM-15 (β-Lactamase) is an enzyme product, specifically a metallo-beta-lactamase, which is sourced from certain resistant bacterial strains. This enzyme functions by hydrolyzing the beta-lactam ring of antibiotics, rendering them ineffective. The primary mode of action involves the coordination of zinc ions at its active site, enabling the breakdown of a broad spectrum of beta-lactam antibiotics including penicillins, cephalosporins, and carbapenems. This enzymatic activity significantly contributes to antibiotic resistance, posing a challenge in the treatment of bacterial infections. Its prevalence is noted in healthcare settings, where multidrug-resistant organisms are a concern. VIM-15 is of particular interest in clinical microbiology research and antimicrobial resistance studies, where understanding its structure and function can aid in the development of new inhibitors, potentially restoring the efficacy of beta-lactam antibiotics against resistant strains. Its characterization and study are critical for developing strategies to combat antibiotic-resistant infections effectively.

Glucosyltransferase227-freeze dried is an enzyme-derived product, originating from microbial sources known for its role in catalyzing the transfer of glucose moieties from a donor molecule to specific acceptor molecules. The enzyme operates by facilitating covalent bond formation between glucose and target substrates, displaying specificity that can be exploited in various biochemical pathways.

Endopeptidase, liquid, food grade is an enzymatic product that functions as a crucial component in the hydrolysis of protein substrates. This enzyme is typically derived from microbial sources, such as bacteria or fungi, and is cultivated under controlled fermentation processes to ensure high purity and activity levels. The primary mode of action of endopeptidases involves the cleavage of peptide bonds within protein molecules, effectively breaking down long protein chains into smaller peptides and amino acids.

Pancreatin is an enzyme preparation, which is derived from the porcine pancreas. This product contains a mixture of several digestive enzymes, including amylase, lipase, and protease. It is typically obtained through the extraction and purification of these enzymes from the pancreas of pigs, providing a natural and effective source for enzymatic activity.

Please enquire for more information about Ribokinase, liquid including the price, delivery time and more detailed product information at the technical inquiry form on this page

Please enquire for more information about Sucrose phosphorylase, liquid including the price, delivery time and more detailed product information at the technical inquiry form on this page

ApStar Taq DNA Polymerase is a thermostable DNA polymerase, originally derived from the thermophilic bacterium Thermus aquaticus. It operates by synthesizing new strands of DNA through the extension of primers in the 5' to 3' direction, utilizing a DNA template. This enzyme is specifically engineered to withstand high temperatures, making it ideal for the denaturation phases of PCR.

Endopeptidase, liquid, food grade, broad spectrum is an enzymatic product used in the food industry. It is derived from microbial sources, specifically engineered strains capable of producing high yields of proteolytic enzymes. This endopeptidase functions by hydrolyzing peptide bonds within proteins, targeting internal sites to break down long protein chains into smaller peptides and amino acids.

Lipase, powder, food-grade, broad spectrum is an enzyme product, which is derived from microbial sources such as fungi and bacteria through a fermentation process. This enzyme operates by catalyzing the hydrolysis of fats into free fatty acids and glycerol, facilitating the breakdown of complex lipid molecules.

ALPK1 Protein, Human, Recombinant (His & Myc) is expressed in Baculovirus.

Protocatechuate 3,4-dioxygenase is a bacterial enzyme, which is sourced from Pseudomonas sp. This enzyme operates by catalyzing the cleavage of aromatic rings in protocatechuate, a derivative of catechol. Its mode of action involves the incorporation of oxygen into protocatechuate, resulting in the formation of beta-carboxy-cis,cis-muconate. This reaction is crucial for the microbial degradation of aromatic compounds, thereby playing a significant role in the biodegradation pathways of lignin-derived aromatic pollutants.