KRT20 is a member of the keratin family. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. The type I cytokeratins consist of acidic proteins which are arranged in pairs of heterotypic keratin chains. This cytokeratin is a major cellular protein of mature enterocytes and goblet cells and is specifically expressed in the gastric and intestinal mucosa. The type I cytokeratin genes are clustered in a region of chromosome 17q12-q21.
序列
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来源宿主
大肠杆菌中重组表达
溶解建议
Sterile Filtered White lyophilized （freeze-dried） powder. The protein （1mg/1ml） was lyophilized after from a sterile solution containing 30mM Tris-HCL pH-8， 9.5M urea， 2mM DDT， 2mM EDTA and 10mM methylammonium chloride. It is recommended to reconstitute the lyophilized KRT20 in sterile 18MΩ-cm H2O not less than 100ug/ml， which can then be further diluted to other aqueous solutions.
保存建议
Lyophilized KRT20 although stable at room temperature for 3 weeks， should be stored desiccated below -18℃. Upon reconstitution KRT20 should be stored at 4℃ between 2-7 days and for future use below
-18℃.
For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）.
Please prevent freeze-thaw cycles.
