Product Description |
Recombinant Canine keratin, type I cytoskeletal 19(310-399) Protein is expressed from E.coli with His tag at the N-Terminus.It contains Gln310-Leu399. |
Product Background |
Keratin 19 (K19) belongs to the keratin family of proteins, which maintains structural integrity of epithelia. In cancer, K19 is highly expressed in several types where it serves as a diagnostic marker. |
Product Category |
Recombinant Protein |
Target |
keratin, type I cytoskeletal 19 (310-399) |
Accession |
|
Species |
Canine |
Biotinylated |
no |
Amino Acid Range |
Gln310-Leu399 |
Molecular Weight |
The protein has a predicted MW of 21.84 kDa same as Bis-Tris PAGE result. |
Product Tag |
N-His |
Express System |
E.coli |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 1EU per ug by the LAL method. |
Form |
Lyophilized |
Shipping |
Shipped at ambient temperature. |
Formulation |
Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution |
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water. |
Stability And Storage |
Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
|
|
Canine keratin, type I cytoskeletal 19 (310-399) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%. |
|
|
The purity of Canine keratin, type I cytoskeletal 19 (310-399) is greater than 95% as determined by SEC-HPLC. |
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