Description：Recombinant Superoxide Dismutase from E.coliForm：Purple-brown lyophilized powderAlternative Names：EC 1.15.1.1; copper-zinc superoxide dismutase; Cu-Zn superoxide dismutase; ferrisuperoxide dismutase; superoxide dismutase I; superoxide dismutase II; SOD; Cu,Zn-SOD; Mn-SOD; Fe-SOD; SODF; SODS; SOD-1; SOD-2; SOD-3; SOD-4; hemocuprein; erythrocuprein; cytocuprein; cuprein; hepatocuprein CAS Number：9054-89-1Purity：>90%Application：One unit is defined as the amount of enzyme will inhibit the reduction of cytochrome c by 50% in the xanthine oxidase coupling system per minute at pH 7.8 and 25°C in a 3.0 mL reaction volume.Storage/Stability：Shipped at 4°C. Store at -20°C for 2 years.