Cat#:RP-5143H;Product Name:Recombinant Human POLR2K Protein;Synonym:Polymerase (RNA) II (DNA Directed) Polypeptide K, 7.0kDa, RNA Polymerases I, II, And III Subunit ABC4, DNA-Directed RNA Polymerase II Subunit K, RNA Polymerase II 7.0 KDa Subunit, ABC10-Alpha, RPB10alpha, RPB7.0, RPB12,DNA Directed RNA Polymerases I, II, ;Description:POLR2K Protein produced in E.coli is a single, non-glycosylated polypeptide chain containing 81 amino acids (1-58 a.a) and having a molecular mass of 9.4kDa. POLR2K is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.;Source:E.coli;AA Sequence:MGSSHHHHHH SSGLVPRGSH MGSMDTQKDV QPPKQQPMIY ICGECHTENE IKSRDPIRCR ECGYRIMYKK RTKRLVVFDA R.;Purity:Greater than 85.0% as determined by SDS-PAGE.;Formulation:POLR2K protein solution (0. 5mg/ml) containing Phosphate buffered saline (pH7.4), 10% glycerol and 1mM DTT.;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.;