Name Human superoxide dimutase Description Recombinant human superoxide dismutase produced in E. coli is a stable dimer of two identical subunits, non-glycosylated, containing 308 amino acid residues, two pairs of disulfide bonds and having a combined molecular mass of 31.6kD. Source E. coli Activity ≥ 7000 U/mg Purity ≥ 95%, dimer ≥ 90% (by SDS-PAGE and HPLC) Endotoxin ≤1 EU per mg of purified protein by LAL test Size 250 µg |