| Description | Biochemical Test:SDS-PAGE (purity > 80%); Western blot with patient sample.Calculated Isoelectric Point:pH 8.38 | DescriptionApolipoprotein E (ApoE) is present in the brain and is mainly produced by astrocytes. It is a 299 amino acid glycoprotein of 34kDa. It is present in all classes of lipoproteins except LDL (low-density lipoprotein). APOE gene has three alleles, such as APOE ε3, APOE ε4and APOE &#DescriptionApolipoprotein E (ApoE) is present in the brain and is mainly produced by astrocytes. It is a 299 amino acid glycoprotein of 34kDa. It is present in all classes of lipoproteins except LDL (low-density lipoprotein). APOE gene has three alleles, such as APOE ε3, APOE ε4and APOE ε2. It is located on human chromosome 19q13.Preparation instructionsFormLyophillized from a 0.2 µm filtered solution in 20 mM sodium phosphate, pH 7.8.Principle... Read More | Inquire | Aprotinin is a competitive serine protease inhibitor that inhibits trypsin,chymotrypsin,kallikrein and plasmin.Aprotinin forms stable complexes with and blocks the active sites of enzymes. Binding is reversible with most aprotinin,protease complexes and dissociating at pH >10 or <3. Effective Aprotinin is a competitive serine protease inhibitor that inhibits trypsin,chymotrypsin,kallikrein and plasmin.Aprotinin forms stable complexes with and blocks the active sites of enzymes. Binding is reversible with most aprotinin,protease complexes and dissociating at pH >10 or <3. Effective concentration is equimolar with protease.Recombinant aprotinin is expressed in E. Coli, and purified with HPLC. It contains no animal-derived components. This is a recombinant form of bovine lung aprotinin, which is traditionally isolated from bovine lung by methods involving fractional precipitation, gel filtration, and ion exchange chromatography. UNIT DEFINITION:A conversion factor for Aprotinin is: 1 EPU = 1 USP Aprotinin Unit = 1800 KIU... Read More | Purity>95% SDS-PAGE. FunctionIGF-binding proteins prolong the half-life of the IGFs and have been shown to either inhibit or stimulate the growth promoting effects of the IGFs on cell culture. They alter the interaction of IGFs with their cell surface receptors. Promotes cell migration |