||DNA Topoisomerase-I Human Recombinant produced in SF9 is a glycosylated, polypeptide chain having a molecular mass of 91,576 Dalton (excluding glycosilation) 102 kDa total mass. The TOP1 is expressed with a -6xHis tag and purified by proprietary chromatographic techniques.
||Sterile Filtered clear solution. Supplied in 16mM HEPES buffer pH-7.5, 400mM sodium chloride, and 20% glycerol.
||Greater than 95% as determined by SDS-PAGE.
||Store at 4 centigrade if entire vial will be used within 2-4 weeks.Store, frozen at -20 centigrade for longer periods of time.Avoid multiple freeze-thaw cycles.