Aprotinin is a protein consisting of 58 amino acids, arranged in a single polypeptide chain that is crosslinked by three disulfide bridges. Aprotinin is found in bovine lymph nodes, lung, parotid gland, spleen, liver, pancreas, seminal vesicles, thyroid gland, kidney, mucous membranes of the…

Tubulin, porcine, 99% pure, 1 mg. Tubulin is composed of a heterodimer of two closely related 55 kDa proteins called alpha and beta tubulin.

Yeast Hydrolysate Enzymatic is an autolyzed yeast extract produced from 100% brewers yeast. It is a concentrated source of soluble protein components, carbohydrates, and B Complex vitamins natural to yeast.

Tubulin, Purified from Bovine Brain, 1 mg. Purified bovine brain tubulin protein supplied in liquid form at 10 mg/mL in 80 mM PIPES buffer containing 1 mM EGTA, 1 mM GTP, pH 6.8 and 10% glycerol. It is a heterodimer composed of a- and ß- tubulin of 55 kDa (molecular weight ?110 kDa). Polymerization…

Streptavidin is a protein produced by the bacterium Streptomyces avidinii. It has four binding sites for biotin, as does avidin. Both have been used extensively as probes in immunochemical systems, conjugated to antibodies, enzymes or fluorochromes. However, avidin is highly basic (pI ~ 10.5),…

This product is useful for structural and biological studies, as a reference standard, or as starting material for immunogen preparation. It is prepared using salt fractionation and/or chromatographic techniques. Purity: >98%

Used to suppress immune response in vivo and in vitro.

Fibrinogen is a blood protein that is involved in clotting and is converted to fibrin by thrombin. Fibrinogen has an approximate molecular weight of 340 kDa. It consists of three non-identical pairs of disulfidebonded chains. The α-chain has an approximate molecular weight of 63.5 kDa, the…

The product is in 10mM phosphate, 0.15M NaCl buffer, pH 7.4, 1% ovalbumin, 40% glycerol containing 0.1% proclin as preservative. Protein A is a component of the cell wall of Staphylococcus aureus (Cowan 1 Strain), and binds to the Fc portion of immunoglobulin molecules of most mammalian species.…

Peptone a water-soluble product, is a mixture of polypeptides and amino acids formed by the partial hydrolysis of protein. Peptone is produced from porcine and/or bovine tissues. The tissues are digested enzymatically to create small peptides and then spray dried. Peptone is used in culture…

Each donor unit used in the preparation of the product was tested and found negative for Anti-HIV 1/2, HBsAg, Anti-HCV and HIV-1 Ag by FDA approved methods or CE approved methods. Used as an immunological challenge in studies of mechanisms of immunotolerance.

Bovine Transferrin is chromatographically purified from New Zealand-sourced bovine plasma in an ISO quality system assuring complete traceability and consistent high quality. Transferrin (HOLO) is an iron-rich product supplied as a heat-treated, lyophilized powder.

The total protein is determined using the Biuret procedure, with bovine albumin as the standard. Each vial is overfilled by approximately 10 percent so that a minimum of 20 mg of rat IgG is obtained upon reconstitution. Rat IgG is purified from pooled rat serum using multi-step procedures…

Chitosan is a cationic marine polymer derived form the shells of crustaceans (e.g., crabs). MP's chitosan is a partially de-acetylated chitin formed by the reaction of chitin with concentrated alkali. Chitin is a high molecular weight linear polymer of anhydro-N-acetyl-glucosamine. Chitin…

Fibronectin are adhesive glycoproteins and are found both as cell surface proteins and in plasma. They are large glycoproteins found in cells and extracellular fluids. They are involved in a wide range of biological activities including cell adhesion to extracellular matrices, blood coagulation and…

Gum Arabic can be branched polymer of galactose, rhamnose, arabinose, and glucuronic acid as the calcium, magnesium, and potassium salts. It is used in textiles, ceramics, lithography, cosmetics and pharmaceuticals. In the food industry, acacia is mainly used as confectionery, bakery, dairy,…

Protein A is a highly stable surface receptor which is capable of binding the Fc portion of immunoglobulins, especially IgGs, from a large number of species. Each protein A molecule can bind 2 molecules of IgG, allowing the formation of a precipitate. Protein A may be coupled to a wide variety…

Apoferritin is the Protein shell of ferritin. Calibration of gel filtration columns and sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis Acts as an anti-oxidant When added to cultured endothelial cells apoferritin is taken up in a dose-responsive manner and appears to…

Lectins are proteins or glycoproteins of non-immune origin that agglutinate cells and/or precipitate complex carbohydrates. Lectins are capable of binding glycoproteins even in presence of various detergents. The agglutination activity of these highly specific carbohydrate-binding molecules is…

Collagen Solutions are highly purified (predominantly Type I) solutions especially prepared for Tissue Culture applications. Collagen Solutions may be used to prepare a collagen coating on plastic or glass culture dishes, or to prepare actual collagen gels for culture work. Since collagen plays an…

β-Galactosidase cleaves terminal galactose residues, which are β -1-->14 linked to a monosaccharide, glycopeptide, or oligosaccharide. The enzyme requires Mg2+ for optimal activity. β-Galactosidase is useful for the structural investigation of carbohydrate, the determination of…

Pancreatin is a digestive enzyme produced by the pancreas and delivered to the small intestine for the hydrolysis of complex nutrients. Pancreatin contains enzymatic components including trypsin, amylase and lipase, ribonuclease, and protease, produced by the exocrine cells of the porcine pancreas.…

Hemoglobin is the major component of red blood cells, and is responsible for their red color. Native hemoglobin from bovine erythrocytes. A major oxygen-transporting component of red blood cells Its normal concentration in erythrocytes is 34%. Hemoglobin is the most important respiratory protein of…

β-2-microglobulin (β2-M) is a polypeptide that associates with the heavy chain of class I major histocompatibility complex (MHC) antigens on the cell surface. The interaction is dynamic and plays a critical role in the stability of the MHC antigens and their ability to present peptide…

* Used to lyse living yeast cell walls to produce protoplast or spheroplast * Can be used for glucan hydrolysis Zymolyase-20T is an enzyme preparation from a submerged culture of Arthrobacter luteus which effectively lyses cell walls of viable yeast cells. This preparation is a…

Yeast Extract Powder is a vacuum-dried extract concentrate of Baker's yeast containing the B-complex factors of approximately three times the weight of ordinary dry yeast. This product is a vacuum dried autolyzed yeast extract produced from 100% Baker's yeast. It is a concentrated source of…

Baker's yeast is of the species Saccharomyces cerevisiae. Yeast, or Baker's yeast, is commonly used as a leavening agent in baking bread and bakery products, where it converts the sugars present in the dough into carbon dioxide and ethanol. Dried Active has been reported to…

Applications Zymolyase 100T is used to lyse living yeast cell walls to produce protoplast or spheroplast of various strains of yeast cells. It may also be used for glucan hydrolysis. Product Description Zymolyase-100T is an enzyme preparation from a submerged culture of Arthrobacter…

Casein hydrolysate enzymatic is a pancreatic hydrolysate of casein. This hydrolysate contains, in the form of mixed amino acids and peptides, all amino acids originally present in casein. It is a refined product providing high quality soluble source of amino acids, polypeptides and peptides. …

Protamine sulfate is a purified mixture of simple protein principles obtained from the sperm or testes of suitable species of fish, which has the property of neutralizing heparin. Because of having much basic amino acids (mostly arginine) protamine contains far greater nitrogen than other proteins.…

Anti-globulin reagent (Coombs' serum) is prepared by immunizing rabbits with canine IgG, IgM and C3 purified from normal serum. The resulting whole antiserum is heat treated to inactivate complement and is adsorbed with normal pooled canine erythrocytes to remove nonspecific agglutinins. Canine…

Product reacts in an agglutination assay with anti-sheep red blood cells. The hematocrit is within the acceptable range. Red blood cells collected into Alsever's solution (Dextrose, sodium chloride, sodium citrate), washed with phosphate buffered saline and preserved with borate buffer,…