Creative BioMart provides quality recombinant proteins, diagnostic antibodies and antigens, diagnostic enzymes and pharmaceutical enzymes to the research community of biology, clinical research, molecular diagnostics and biopharmaceutical drug development.Store lyophilized protein at -20℃. Lyophilized protein remains stable until the expiry date when stored at -20℃. Aliquot reconstituted protein to avoid repeated freezing/thawing cycles and store at -80℃ for long term storage. Reconstituted protein can be stored at 4℃ for a limited period of time; it does not show any change after one week at 4℃.http://www.creativebiomart.net/description_21169_12.htm