Cytokeratin 20 Recombinant Protein Antigen

Novus Biologicals | Catalog # NBP1-85599PEP

Novus Biologicals
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Key Product Details

Source

E. coli

Tag

N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

Applications

Antibody Competition
View all Cytokeratin 20 Proteins and Enzymes »

Product Specifications

Description

A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human KRT20.

Source: E. coli

Amino Acid Sequence: MDFSRRSFHRSLSSSLQAPVVSTVGMQRLGTTPSVYGGAGGRGIRISNSRHTVNYGSDLTGGGDLFVGNEKMAMQNLND

Fusion Tag: N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

This product is intended to be used as a blocking antigen for antibody competition assays. Any other use of this antigen is done at the risk of the user. The use of this product for commercial production is strictly prohibited. Please contact technical support if you have any questions.

Purity

>80% by SDS-PAGE and Coomassie blue staining

Predicted Molecular Mass

26 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Applications

Antibody Competition (10 - 100 molar excess)

Application Notes

This recombinant antigen is only intended to be used as a blocking agent to confirm antibody specificity with the corresponding antibody, catalog number NBP1-85599.

It is purified by IMAC chromatography, and the expected concentration is greater than 0.5 mg/ml.

For current lot information, including availability, please contact our technical support team click nb-technical@bio-techne.com

Protein / Peptide Type

Recombinant Protein Antigen

Formulation, Preparation, and Storage

NBP1-85599PEP
Formulation PBS and 1M Urea, pH 7.4.
Preservative No Preservative
Concentration Please see the vial label for concentration. If unlisted please contact technical services.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Store at -20C. Avoid freeze-thaw cycles.

Background: Cytokeratin 20

Intermediate-sized filament (IF) protein designated cytokeratin (CK) 1 is a major cellular protein of mature enterocytes and goblet cells commonly found in mucosal epithelium of the mammalian gastrointestinal tract (1). Results strongly suggest that transcriptional regulation of keratin genes in the intestinal epithelium occurs at the level of both immature and terminally differentiated epithelial cells, and is tightly regulated during both fetal development and crypt-to-villus differentiation of the intestinal epithelium (2). CK20 has recently been reported to be useful to distinguish between primary and metastatic lung adenocarcinoma. CK20 expression was significantly more prevalent in adenocarcinoma that originated in the GI tract than that of pulmonary or breast origin (3).

Alternate Names

CD20, CK20, CK-20, cytokeratin-20, K20cytokeratin 20, keratin 20, keratin, type I cytoskeletal 20, keratin-20, KRT21, MGC35423, Protein IT

Gene Symbol

KRT20

Additional Cytokeratin 20 Products

Product Documents for Cytokeratin 20 Recombinant Protein Antigen

Certificate of Analysis

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Product Specific Notices for Cytokeratin 20 Recombinant Protein Antigen

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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