ProSpec Bio Recombinant Human Polymerase II Polypeptide D

Recombinant Human Polymerase II Polypeptide D by ProSpec Bio is recombinant human RNA polymerase II subunit (amino acids 1-142) produced in E. coli with a 23-amino-acid His tag at the N-terminus, a 165-amino-acid protein of 18.7 kDa that is more than 90% pure. It is supplied as a solution (1 mg/mL in 20 mM Tris-HCl buffer (pH 8.0), 0.4 M urea and 10% glycerol) in 5 µg, 20 µg and 1 mg sizes for transcription research.