Cat#:RP-5233H;Product Name:Recombinant Protein A, 41kDa;Synonym:Immunoglobulin G-binding protein A, IgG-binding protein A, Staphylococcal protein A, SPA.;Description:Recombinant Staphylococcal Protein A produced in E.coli is a non-glycosylated, Polypeptide chain contaning the amino acid sequence of Staphylococcal Protein A IgG binding domains having a molecular mass of 41 kDa. The recombinant Protein A contains 6 IgG-binding regions of protein A. Cell wall binding region, albumin binding region and other non-specific binding regions that have been eliminated from the recombinant Protein-A to ensure the maximum specific IgG binding. Recombinant Staphylococcal Protein A is purified by proprietary chromatographic techniques.;Source:E.coli;Purity:Greater than 98.0% as determined by SDS-PAGE & RP-HPLC.;Formulation:The protein was lyophilized from a concentrated (1mg/ml) solution containing no additives.;Stability:Recombinant Proteins are stable for up to 1 year from date of receipt at -70℃;Storage:Protein A should be stored at all times at 4°C.;