Protein Disulfide Isomerase (PDI), human Recombinant. Protein Disulfide Isomerase (PDI), human recombinant, Catalyzes disulfide exchange and protein folding, Host: E. Coli, Purity: greater than or equal to 95%(SDS-PAGE), 508 amino acids and having a molecular mass of 57.1 kDa, Storage: -20C, 5000ug