ProSpec Bio Recombinant Human Protein Disulfide Isomerase A4, Active

Recombinant Human Protein Disulfide Isomerase A4, Active by ProSpec Bio is recombinant human protein disulfide isomerase family member (amino acids 21-645) produced in E. coli with a 21-amino-acid His tag at the N-terminus, a 646-amino-acid protein of 72.9 kDa that is more than 90% pure. ProSpec Bio reports biological activity data for it. It is supplied as a solution (1 mg/mL in 20 mM Tris-HCl, pH 8, 1 mM DTT, 0.1 M NaCl and 10% glycerol) in 2 µg, 10 µg and 100 µg sizes for protein folding research.