KRT19, Recombinant, Human, aa1-400, His-Tag (Keratin, Type I Cytoskeletal 19, CK19, K19, K1CS)

Catalog No : USB-138681
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Product name KRT19, Recombinant, Human, aa1-400, His-Tag (Keratin, Type I Cytoskeletal 19, CK19, K19, K1CS)
Catalog No USB-138681
Supplier’s Catalog No 138681
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight 46.5
Storage -20°C
Other names
Grade Highly Purified
Purity ~90% (SDS-PAGE)
Form Supplied as a liquid in 20mM tris-HCl buffer, pH 8.0, 0.4M urea, 10% glycerol.
Reactivity life 6 months
Note For reserch purpose only
Purity ~90% (SDS-PAGE)
Description KRT19 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. Source: Recombinant protein corresponding to aa1-400 from human KRT19 at N-terminal, fused to His-tag expressed in E.coli. Molecular Weight: ~46.5kD (423aa) AA Sequence: MGSSHHHHHH SSGLVPRGSH MGSMTSYSYR QSSATSSFGG LGGGSVRFGP GVAFRAPSIH GGSGGRGVSV SSARFVSSSS SGAYGGGYGG VLTASDGLLA GNEKLTMQNL NDRLASYLDK VRALEAANGE LEVKIRDWYQ KQGPGPSRDY SHYYTTIQDL RDKILGATIE NSRIVLQIDN ARLAADDFRT KFETEQALRM SVEADINGLR RVLDELTLAR TDLEMQIEGL KEELAYLKKN HEEEISTLRG QVGGQVSVEV DSAPGTDLAK ILSDMRSQYE VMAEQNRKDA EAWFTSRTEE LNREVAGHTE QLQMSRSEVT DLRRTLQGLE IELQSQLSMK AALEDTLAET EARFGAQLAH IQALISGIEA QLGDVRADSE RQNQEYQRLM DIKSRLEQEI ATYRSLLEGQ EDHYNNLSAS KVL Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.