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 lyophilizedprotein at -20℃ to -80℃. Reconstituted protein is stable for 1 week at 2-4℃.For long term storage, aliquot and store at -20℃ to -80℃ with a carrierprotein (0.1% HSA or BSA) as a stabilizer. Please note that the addition ofany carrier protein into this product may produce unwanted endotoxin. Thisdepends upon the particular application employed. Avoid repeated freeze-thawcycles.https://www.creativebiomart.net/recombinant-human-keratin-8-106838.htm