Cat#:RP-2545H;Product Name:Recombinant Human CHGA Protein;Synonym:CGA, CHGA, Vasostatin-2, Pituitary secretory protein I, SP-I.;Description:Recombinant Human CHGA produced in E.coli is a single, non-glycosylated polypeptide chain containing 114 amino acids (19-131 a.a) and having a molecular mass of 12.8 kDa. Chromgranin-A is purified by proprietary chromatographic techniques.;Source:E.coli;Purity:Greater than 95.0% as determined by analysis by SDS-PAGE.;Bioactivity:Please contact us for detailed information;Formulation:The CHGA protein contains 20mM Tris-HCl buffer pH-8, and 10% glycerol.;Stability:Recombinant Proteins are stable for up to 1 year from date of receipt at -70℃;Storage:Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze-thaw cycles.;