Cytokeratin 19 Human Protein
CAT#: BA1016
Cytokeratin 19 human recombinant protein, 0.25 mg
Size: 100 ug
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CNY 7,890.00
货期*
7周
规格
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Specifications
Product Data | |
Species | Human |
Expression Host | E. coli |
Predicted MW | 44 kDa |
Concentration | lot specific |
Purity | >95% determined by SDS gelelectrophoresis |
Buffer | Presentation State: Purified State: Lyophilized purified protein |
Preparation | Lyophilized purified protein |
Applications | Protein standard in 1D and 2D SDS gelelectrophoresis. Immunoassays. Immunization. Protocol: Reconstitution to filaments is performed by mixing equimolar amounts of keratins of type I and type II at concentrations of approx. 0.5 mg/ml, both dissolved in 9.5 M urea buffer (see above). Protofilaments and filament complexes are obtained by dialyzing the resulting polypeptide solution stepwise to a concentration of 4 M urea and then to low salt condition (50 mM NaCl, 2 mM dithiothreitol, 10 mM Tris-HCl, pH 7.4). For immunization purposes, the solution can be further dialyzed against PBS (phosphate buffered saline, e.g. Dulbeccos PBS). |
Protein Description | Recombinant Human keratin K19 (formerly also designated Cytokeratin 19). |
Note | Isoelectric Point: pI 5.1 |
Storage | Store lyophilized at 2-8°C for 6 months or at -20°C long term. After reconstitution store undiluted at 2-8°C for one month or (in aliquots) at -20°C long term. Avoid repeated freezing and thawing. |
Stability | Shelf life: one year from despatch. |
Reference Data | |
RefSeq | NP_002267 |
Locus ID | 3880 |
UniProt ID | P08727 |
Cytogenetics | 17q21.2 |
Synonyms | CK19; K1CS; K19 |
Summary | The protein encoded by this gene 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. Unlike its related family members, this smallest known acidic cytokeratin is not paired with a basic cytokeratin in epithelial cells. It is specifically expressed in the periderm, the transiently superficial layer that envelopes the developing epidermis. The type I cytokeratins are clustered in a region of chromosome 17q12-q21. [provided by RefSeq, Jul 2008] |
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