Enzimi nelle Proteine Ricombinanti

<p>Ready to use beta-lactamase solution targeting beta-lactam antibiotics such as penicillins, carbapenems and cephalosporins. According to US Pharmacopeia (USP &lt;71&gt;) and EP, LacBusterTM-L is suitable for sterility testing methods such as membrane filtration and direct inoculation.</p>

<p>OXA-11 is a β-lactamase enzyme, which is a type of protein produced by certain bacteria. These enzymes are derived from the bacterial source and are responsible for antibiotic resistance. The primary mode of action of OXA-11 is the hydrolysis of the β-lactam ring found in various antibiotics, such as penicillins and cephalosporins, rendering them ineffective. This enzymatic activity allows bacteria to survive exposure to these antimicrobial agents, posing a significant challenge in clinical settings.</p>

<p>KPC-1 (β-Lactamase) is an enzyme that breaks down β-lactam antibiotics, rendering them ineffective. It originates from strains of bacteria, particularly Klebsiella pneumoniae, which are significant sources of hospital-acquired infections. The mode of action involves hydrolyzing the β-lactam ring found in antibiotics such as penicillins and cephalosporins, neutralizing their antibacterial effects.</p>

<p>VIM-15 (β-Lactamase) is a metallo-β-lactamase enzyme, which is derived from bacterial sources, particularly Gram-negative bacteria. Its mode of action involves the hydrolysis of β-lactam antibiotics, facilitating bacterial resistance. This enzyme employs zinc ions as cofactors to break the β-lactam ring, rendering these antibiotics ineffective against the bacteria that produce the enzyme. The hydrolysis process disrupts the antibiotic's structural integrity, crucial for its antibacterial activity, thereby nullifying its therapeutic effects.</p>

<p>Carboxypeptidase B is an enzyme responsible for the cleavage of arginine and lysine from a peptide's C-terminus</p>

<p>Carboxypeptidase G (EC 3.4.17.11, alternative name γ-Glutamyl hydrolase) is a protease that cuts γ-glutamyl bonds with high specificity. One unit of Carboxypeptidase G will hydrolyze (+)amethopterin to generate 1.0 μmole of L-glutamic acid.</p>

<p>Proteinase K, high-quality, liquid, recombinant is an advanced enzymatic product, which is a serine protease derived through recombinant DNA technology. It cleaves peptide bonds to facilitate protein digestion with broad substrate specificity. Its robust proteolytic activity is optimal under various conditions, including a wide range of temperatures and pH levels, making it incredibly versatile.</p>

<p>Luciferase enzyme from Photinus pyralis (firefly), which catalyzes the oxidation of firefly luciferin. This reaction depends on the presence of oxygen and ATP and causes the bioluminescence seen in fireflies</p>

<p>beta lactamase I activity - min. 600.0 IU/mg</p>

<p>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.</p>

<p>NMCA (β-Lactamase) is an enzyme, specifically acclaimed for its role in conferring antibiotic resistance. It is derived from bacterial sources, where it naturally occurs as part of the bacterial defense mechanism against β-lactam antibiotics. NMCA (β-Lactamase) functions by hydrolyzing the β-lactam ring present in these antibiotics, effectively rendering them inactive. This mode of action disrupts the antibiotic's ability to inhibit cell wall synthesis within bacteria, thereby permitting bacterial survival and proliferation.</p>

<p>KPC-1 (β-Lactamase) is a specialized enzyme, which is produced by certain Gram-negative bacteria, notably Klebsiella pneumoniae. It functions by hydrolyzing the β-lactam ring found in a wide range of β-lactam antibiotics, such as penicillins and cephalosporins. This enzymatic action effectively neutralizes the antibiotic's antimicrobial properties, rendering the drugs ineffective against bacteria that produce KPC-1.</p>

<p>SPM-1 (β-Lactamase) is a metallo-β-lactamase enzyme, which is derived from certain Gram-negative bacteria, such as Pseudomonas aeruginosa. This enzyme is characterized by its ability to hydrolyze a broad spectrum of β-lactam antibiotics, including penicillins, cephalosporins, and carbapenems, due to the presence of a zinc ion in its active site. The zinc ion plays a crucial role in the catalytic mechanism by facilitating the cleavage of the β-lactam ring, rendering the antibiotic ineffective against bacterial cell wall synthesis.</p>

<p>Lipase 03 recombinantly expressed in E. coli comes in a spray-dried formulation. It has its pH optimum at 6-7 and temp. optimum at 20-50°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 03 was shown to hydrolyze p-Nitrophenyl esters of butyrate (100 % activity), octanoate (90 %), laurate (28 %), palmitate (14 %), stearate (9 %), arachidate (2 %) and behenate (3 %).</p>

<p>OXA-11 (β-Lactamase) is an enzyme of the β-lactamase class, which is primarily derived from Gram-negative bacteria. This enzyme is characterized by its ability to hydrolyze β-lactam antibiotics, rendering them ineffective by breaking the β-lactam ring, a crucial component of these antibiotics. OXA-11 is a notable member of the oxacillinase group within class D β-lactamases, known for its resistance to penicillins and cephalosporins.</p>

<p>Glucosyltransferase211-freeze dried is an enzyme preparation which is derived from microbial fermentation. This enzyme functions by catalyzing the transfer of glucosyl groups from activated donor molecules to specific acceptor substrates. Its mechanism of action involves the formation of glycosidic bonds, facilitating the synthesis of various oligosaccharides and polysaccharides.</p>

<p>Glucosyltransferase204-freeze dried is an enzyme preparation, derived from specific strains of Streptococcus bacteria, which plays a crucial role in catalyzing the transfer of glucosyl units from donor molecules to acceptor carbohydrates, predominantly in the formation of glucans. This enzymatic activity results in complex carbohydrate structures essential for various biological processes.</p>

<p>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.</p>

<p>Carboxypeptidase P (EC 3.4.17.16, also Membrane Pro-Xaa carboxypeptidase, microsomal carboxypeptidase) is a C-terminal exopeptidase, that preferentially cuts at C-terminal amino acid next to proline: ~-Pro-X → ~-Pro + X.</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.</p>

<p>Glucosyltransferase205-freeze dried is an enzyme preparation that is commonly used in biochemical and molecular biology research. It is derived from microbial sources, often from bacteria or fungi that are known for producing extracellular enzymes. The primary mode of action of Glucosyltransferase205 involves catalyzing the transfer of glucose residues from donor molecules, such as UDP-glucose, to acceptor molecules, forming glycosidic bonds. This enzymatic activity is crucial in the biosynthesis of polysaccharides, which are essential components in various biological structures and processes.</p>

<p>Glucosyltransferase210-freeze dried is an enzyme preparation that catalyzes the transfer of glucose molecules. Derived from specific microorganisms, it facilitates biochemical reactions by adding glucose residues to various substrates, thereby modifying their structure and function. The enzyme functions through the glucosylation process, which is essential in synthesizing different polysaccharides and glycoconjugates.</p>

<p>Lipase CalA, wildtype, freeze-dried, recombinant, from Candida antarctica is an enzymatic product, which is a highly purified form of lipase enzyme. It is derived from the yeast species Candida antarctica through recombinant DNA technology, ensuring consistency and purity by expressing the enzyme in a controlled microbial system.</p>

<p>Glucosyltransferase206-freeze dried is an enzymatic preparation designed for specific biochemical applications. It is derived from microbial sources, where it is produced and purified through advanced biotechnological processes. The enzyme functions by catalyzing the transfer of glucosyl units from donor molecules to specific acceptors, thereby forming glycosidic bonds. This mode of action is crucial in various biosynthetic pathways, particularly in the production of polysaccharides and structural carbohydrates.</p>

<p>Color: beigeForm: lyophilisateProtein content: 0.5 mg/mgThe glucosyltransferase was tested in a glucosylation reaction of a preferred substrate. High conversion after up to 24 h reaction time was observed.</p>

<p>LacBuster®-S 50 is a solid and Gamma-irradiated, freeze-dried, broad range beta-lactamase formulation with 50 IU beta-lactamase II and 500 IU beta-lactamase I activity per vial.</p>

<p>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.</p>

<p>Enolase (phosphopyruvate hydratase, EC 4.2.1.11) is an enzyme that catalyses the following reaction:  2-phospho-D-glycerate ⇌ phosphoenolpyruvate + H2O  One unit of enolase will convert 1.0 μmole of 2-phosphoglycerate to phosphoenolpyruvate per minute.</p>

<p>Endonuclease, liquid, food grade is a biochemical enzyme, which is derived from microbial or bovine sources, with precision in hydrolyzing phosphodiester bonds within nucleic acids. This endonuclease cleaves the internal bonds of DNA and RNA, enabling the breakdown of these molecules into smaller nucleotide fragments. Its catalytic action is particularly useful in the controlled degradation of nucleic acids without affecting other macromolecules in the substrate.</p>

<p>Hyaluronidase (EC 3.2.1.35) is an enzyme that cleaves (1→4)-linkages between N-acetylglucosamine and glucuronate. One unit of hyaluronidase will increase turbidimetric absorbance at A600 by 0.330 at pH 5.7 and 37°C in 2mL reaction volume.</p>

<p>Neutral Endopeptidase is an enzymatic product in liquid form, classified as food grade, which is derived from microbial fermentation or animal sources. Its primary mode of action involves the hydrolysis of peptide bonds within proteins, resulting in the breakdown of these macromolecules into smaller peptides and amino acids. This process is facilitated through the enzyme's specificity for neutral pH environments, where it effectively cleaves internal bonds within a protein chain.</p>

<p>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.</p>

<p>Citrate lyase (also known as ATP citrate synthase, EC 2.3.3.8) is an enzyme that catalyzes the following reaction:citrate + ATP + CoA → oxaloacetate + Acetyl-CoA + ADP + Pi</p>

<p>Multi-copper oxidase from the family of polyphenol oxidades. It can be also found in many plants and bacteria. Laccase catalyses the oxidation of phenolic compounds such as lignin. It can oxidase non phenolic groups too with the use of mediators, chemical agents involved in the transfer of the electrons during the reaction. In some cases, laccase can also oxidise halogenated compounds. This enzyme is used for enzymatic assays, lignol screening tests and for waste water treatment to remove biodegrdable pollutants.</p>

<p>Endopeptidase, powder, is a proteolytic enzyme, which is typically derived from microbial, plant, or animal sources, each imparting unique specificities. This enzyme functions by cleaving peptide bonds within polypeptide chains, rather than terminal bonds, thereby facilitating the breakdown of proteins into smaller, more manageable peptide fragments. The mode of action involves recognizing specific amino acid sequences within the substrate, leading to targeted bond hydrolysis.</p>

<p>6-Phosphogluconic dehydrogenase is an enzyme from yeast, which is a key component of the oxidative phase of the pentose phosphate pathway. It catalyzes the oxidative decarboxylation of 6-phosphogluconate to ribulose 5-phosphate, with the concurrent reduction of NADP+ to NADPH. This enzyme is sourced from yeast, a model organism extensively used in biochemical studies due to its eukaryotic nature and ease of genetic manipulation.</p>

<p>5′-Nucleotidase (EC 3.1.3.5) is an enzyme that catalyzes hydrolysis of 5' nucleotides, removing the phosphate group:  AMP + H2O ⇌ adenosine + Pi  One unit of 5′-Nucleotidase will generate 1.0 μmole of phosphate ions per minute in the presence of AMP under optimal reaction conditions.</p>

<p>Trypsin (EC 3.4.21.4) is a protease that hydrolyses proteins by cleaving the peptide bond at the carboxyl side of the positively charged amino acid (Lysine or Arginine). Trypsin belongs to a family of serine proteases, as it has a serine in its active site. Trypsin can be inhibited by using trypsin inhibitor Alpha 1 Antitrypsin.</p>

<p>Ready to use beta-lactamase solution targeting beta-lactam antibiotics such as penicillins, carbapenems and cephalosporins. According to US Pharmacopeia (USP &lt;71&gt;) and EP, LacBusterTM-L is suitable for sterility testing methods such as membrane filtration and direct inoculation.beta lactamase I activity - min. 25.0 IU/mLbeta lactamase II activity - min. 10.0 IU/mL</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.</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.</p>

<p>Lipase 13 recombinantly expressed in E. coli comes in a spray-dried formulation. It has its pH optimum at 6-8 and temp. optimum at 35-45°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 13 was shown to hydrolyze p-Nitrophenyl esters of butyrate (87 % activity compared to octanoate), octanoate (100 %), palmitate (44 %), stearate (21 %) and arachidate (2 %).</p>

<p>CalB 02 is a lipase enzyme, which is a biocatalyst derived from the yeast Candida antarctica. It functions primarily by catalyzing the hydrolysis of ester bonds. This enzymatic action is due to the unique structure of the active site, which allows for precise substrate specificity and stereoselectivity.</p>

<p>Proteinase K, freeze-dried, recombinant is an enzyme preparation used extensively in molecular biology and biochemistry. It is derived through recombinant DNA technology, producing a highly pure enzyme that is expressed in a non-pathogenic host. Its mode of action involves the non-specific cleavage of peptide bonds in proteins, making it a critical tool for protein digestion.</p>

<p>This product shows beta-lactamase activity against clinically relevant beta-lactam antibiotics such as penicillins, carbapenems and cephalosporins. This product may be of particular interest for laboratory teams who require the sterility testing of biological specimens or for environmental monitoring applications.</p>

<p>Sialic acid aldolase - Aqueous solution is an enzyme preparation used extensively in biochemical and biotechnological applications. It is derived from microbial sources, where it is expressed and purified to high levels for research purposes. Sialic acid aldolase acts by catalyzing the reversible aldol reaction between N-acetylneuraminic acid (sialic acid) and pyruvate, facilitating the cleavage or synthesis of sialic acid.</p>

<p>o-Glycosidase (O-Glycanase, endo-a-acetylgalactosaminidase, endo-a-N-acetylgalactosaminidase; EC 3.2.1.97) is an enzyme that specifically removes N-acetylgalactosamine disaccharides, that were attached to serine's or threonine's side-chain oxygen (hence o-Glycosidase). One unit of o-Glycosidase will hydrolyze 1.0 mmole of of substrate per minute at 37 °C and pH 5.0.</p>

<p>The main protease Mpro is a key protein in the lifecycle of the SARS-CoV-2 virus. Mpro cleaves the viral polyproteins at the C-terminal end of a glutamine residue in recognition sequences containing Leu-Gln-(Ser, Ala, Gly) motifs (Rut et al, 2020).  As SARS-CoV-2 MPro has no closely related homologues in humans, it represents an attractive drug target (Ullrich and Nitsche, 2020). In summary, the Mpro protease is a chymotrypsin-like cysteine protease, requires homodimerisation for proteolytic activity, cleaves the viral polyproteins in 11 distinct sites, exclusively after a glutamine residue. A fluorogenic substrate for Mpro assays is Ac-Abu-Tle-Leu-Gln-AMC.The protein amount or better its concentration in solution is quantified using either A280 (absorption at 280 nm with its specific absorption coefficient) or using the Bradford assay (uses the dye Coomassie Brilliant Blue). Both of these methods quantify the total amount of protein in a sample, no matter what the oligomerization state is.</p>

<p>Glucose-6-phosphate dehydrogenase (G6PD, G6PDH; EC 1.1.1.49) is an enzyme that catalises the following reaction:  D-glucose 6-phosphate + NADP+ + H2O ⇌ 6-phospho-D-glucono-1,5-lactone + NADPH + H+  One unit of G6PD will oxidize 1.0 µmole of D-glucose 6-phosphate to 6-phospho-D-glucono-1,5-lactone per min in the presence of NAD+ at pH 7.8 and 30 °C. NADP+ is available here.</p>

<p>Penase (Penicillinase) is an enzyme, which is a type of β-lactamase sourced from various bacterial strains capable of deactivating penicillin. It accomplishes this by targeting the β-lactam ring, a crucial structural component of penicillin antibiotics, and hydrolyzing it, thereby neutralizing the antibiotic effect. This enzymatic action is a defense mechanism employed by certain bacteria to survive in environments saturated with penicillin-based antibiotics.</p>