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ZO-1 (Tight Junction-associated Polypeptide, Zonula Occludens 1)

Cat no: Z0775G

ZO-1 (Tight Junction-associated Polypeptide, Zonula Occludens 1)

Tight junctions are complexes of proteins that create intercellular boundaries between the plasma membrane domains of epithelial and endothelial cells. Many of the tight junction-associated proteins are members of the membrane associated guanylate kinase (MAGUK) family and include occludin and zona occludin family members ZO-1, ZO-2 and ZO-3. These proteins are thought to have both structural and signaling roles, and are characteristically defined by three protein-protein interaction modules: the PDZ domain, the SH3 domain and the guanylate kinase (GuK) domain. ZO-1 forms complexes with either ZO-2 or ZO-3. In addition, these proteins can also associate with claudin, occludin and F-actin, at tight junction stands, where they provide a linkage between the actin cytoskeleton and the tight junction. ZO-1 expression is significantly reduced in many breast cancer lines. ZO-2 and ZO-3 are ubiquitously expressed within epithelial tight junctions, and unlike ZO-1, which is also expressed at cell junctions of cardiac myocytes, ZO-2 is not expressed in nonepithelial tissue.\n\nApplications: \nSuitable for use in Western Blot, Immunoprecipitation and Immunohistochemistry. Other applications not tested.\n\nRecommended Dilutions:\nWestern Blot: 0.5ug/ml detected Z0-1 in 10ug of mouse liver tissue lysate.\nOptimal dilutions to be determined by the researcher.\n\nRecommended Positive Control:\nMouse liver tissue lysate\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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SPECIFICATIONS

Catalog Number

Z0775G

Size

100ug

Applications

IHC, IP, WB

Hosts

Rat

Reactivities

Mouse

Form

Supplied as a liquid in 0.1M Tris-Glycine, pH 7.4, 150mM sodium chloride, 0.05% sodium azide.

P Type

Mab

Purity

Purified by Protein G affinity chromatography.

Isotype

IgG2a,k

References

1.D

Additional Info

Recognizes mouse ZO-1, ~220kD.

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