Protein

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  • Beef Extract

    MP Biomedicals

    Beef extract is a water soluble powder that is used in general purpose media. It is recommended for use in bacteriological examination of water, milk, and other materials, where uniform composition of media is important and for biochemical studies, particularly fermentation reactions because of its…

  • Product is the lyophilized powder of human hemoglobin and buffer salts. Human hemoglobin is purified from human red blood cells using multi-step procedures which may include salt fractionation, gel filtration, ion-exchange chromatography and immunoabsorption. The product is dialyzed into 0.01M…

  • Lyophilized from 0.02M Ammonium Bicarbonate (may contain traces of buffer salt). β-2-Microglobulin is a cancer and renal biomarker. Excellent for controls or calibrators in enzyme assays. Reconstitution: To reconstitute use a phosphate buffer, pH >7.0, containing 0.15 M NaCl.

  • Gelatin is a heterogeneous mixture of water-soluble proteins of high average molecular weights, present in collagen. The proteins are extracted by boiling skin, tendons, ligaments, bones, etc. in water. Type A gelatin is derived from acid hydrolyzed tissue. Gelatin is used as a stabilizer,…

  • Casein Hydrolysate

    MP Biomedicals

    Casein hydrolysate is a hydrochloric acid digest of casein in which the protein molecule has been substantially reduced to its constituent amino acids. The protein hydrolysate has been specially processed to remove essentially all sodium chloride. Laboratory media including basal media for…

  • Casein, Hammarsten Grade

    MP Biomedicals

    Casein is the name for a family of related phosphoproteins (αS1, αS2, β, κ). These proteins are commonly found in mammalian milk, making up 80% of the proteins in cow milk and between 20% and 45% of the proteins in human milk. Casein has a wide variety of uses, from being a…

  • 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…

  • 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. …

  • 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…

  • Cholesterol oxidase (CHOD) catalyzes the first step in cholesterol catabolism. Cholesterol oxidase from Streptomyces has been used in a study to assess the relationship between the micellar structure of model bile and the activity of esterase. Cholesterol oxidase from Streptomyces has also been…

  • 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…

  • Phytohemagglutinin lectin is isolated from red kidney bean (Phaseolus vulgaris). This product is a partially purified product consisting of a mixture of isolectins. PHA will agglutinate erythrocytes of all human blood groups and many mammals. In medicine, PHA proteins are useful and are used as…

  • C1q, together with C1r and C1s, in the ratio of 1:2:2, form the C1 complex which is the first component of the classical complement pathway. C1q is composed of 18 polypeptide chains (six A, six B, six C) (MW 460 kDa). All contain an 81-aa collagen-like region composed of (Gly-Xaa-Yaa) repeating…

  • 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.…

  • 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,…

  • 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…

  • Mucin is a high molecular weight glycoprotein that is the major constituent of saliva, gastrointestinal juices, mucus and other secretions. Mucin exists as an aggregated complex in excess of 106 molecular weight. It is a rich source of O-linked oligosaccharide chains. Mucin from bovine…

  • Malt Extract

    MP Biomedicals

    Malt extract represents the soluble material extracted from malt during the mashing process of barley. Malt extract is a source of carbohydrates. Petri dishes filled with malt extract agar, separately inoculated with fungal strains and cultivated to obtain an abundant and even growth, were used…

  • Purified Rat IgG

    MP Biomedicals

    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…

  • Casein Sodium Salt

    MP Biomedicals

    Casein sodium salt from bovine milk is a phosphoprotein. There are four main types of Casein which make up approximately 80% of the total protein in bovine milk: α-s1 Casein, α-s2 Casein, β-Casein, and κ-Casein. Casein is proposed to be the main protective constituent in…

  • Lactulose

    MP Biomedicals

    Lactulose is used as a test of small intestine bacterial overgrowth (SIBO). Lactulose is used in the treatment of chronic constipation. It is useful in treating the hyperammonemia caused by hepatic encephalopathy, because it helps "draw out" ammonia from the body. Lactulose is also a food…

  • Angiotensin II is a peptide hormone which plays an important role in the regulation of blood pressure. It stimulates the release of aldosterone from the adrenal gland. It has strong vasoconstrictive effects. Angiotensin II plays an important role in the regulation of blood pressure. It…

  • Purified Monkey IgG

    MP Biomedicals

    All blood products should be treated as potentially infectious. 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 monkey IgG is obtained upon reconstitution. Monkey…

  • 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…

  • 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…

  • 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.…

  • Hemoglobin is used to study paradigm for the regulation of gene expression and cellular differentiation. Hemoglobin is the major component of red blood cells, and is responsible for their red color. A major oxygen-transporting component of red blood cells, it's normal concentration in…

  • Purified Rabbit IgG

    MP Biomedicals

    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 50 mg of rabbit IgG is obtained upon reconstitution. Rabbit IgG is purified from pooled rabbit serum using multi-step…

  • 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.…

  • 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…

  • Suitable for cell adhesion in tissue culture, as well as gel formation, platelet aggregation, and as a substrate for collagenase. Collagen is a group of naturally occurring proteins found in animals, especially in the flesh and connective tissues of vertebrates. It is the main component of…

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