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 ℃ or -70 ℃. Lyophilized protein is stable for up to 6 months from date of receipt at - 20 ℃ to -70 ℃. Upon reconstitution, this protein can be stored at -20 ℃ for a few weeks or at -70 ℃ in a manual defrost freezer for long term storage (six months). Aliquot reconstituted protein to avoid repeated freezing / thawing cycles.http://www.creativebiomart.net/description_5593_17.htm