ANTI-PTPRF (C15-1447-838)

General description

Tyrosine-protein phosphatase receptor type F (PTPRF) colocalizes with the cadherin-catenin complex in epithelial cells. It belongs to the LAR subfamily of transmembrane protein tyrosine phosphatases (PTPases). It contains an extracellular region, a transmembrane segment and a cytoplasmic region. The gene encoding this protein is located on chromosome 1p32.

Immunogen

Receptor-type tyrosine-protein phosphatase F precursor recombinant protein epitope signature tag (PrEST)

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies^® protocols and other useful information.

Biochem/physiol Actions

Tyrosine-protein phosphatase receptor type F (PTPRF) inhibits the epithelial cell migration by preventing phosphorylation and hence the increase in the free pool of β-catenin, controlling its signaling functions. It regulates epithelial cell-cell contacts and maintains epithelial integrity at adherens junctions. The loss of function of PTPRF leads to malignant progression and metastasis. It has been shown to bind to liprin-α (SYD2) and take part in axon guidance. PTPRF also contributes to mammary gland development. In vitro, it binds to the intracellular LAR-interacting protein at the discrete ends of focal adhesion. Hence, it also has a role in regulating cell-matrix interactions.

Features and Benefits

Prestige Antibodies^® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies^® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:

• IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
• Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST72042.

Physical form

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Legal Information

Prestige Antibodies is a registered trademark of Sigma-Aldrich Co. LLC

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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