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Cat no: P4075-28D

Supplier: United States Biological
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The phosphorylation of specific tyrosine residues has been shown to be a primary mechanism of signal transduction during normal mitogenesis, cell cycle progression and oncogenic transformation, its role in other areas such as differentiation and gap junction communication, is a matter of active and ongoing research. Antibodies that specifically recognize phosphorylated tyrosine residues have proved to be invaluable to the study of tyrosine phosphorylated proteins and the biochemical pathways in which they function. Applications: Suitable for use in ELISA and Western Blot. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot Store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees 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.
Catalogue number: P4075-28D
Hosts: Mouse
Applications: ELISA, Western Blot
Size: 100ul
Form: 0.02M Potassium Phosphate, 0.15M sodium chloride, pH 7.2
P type: Mab
Isotype: IgG1,k
Purity: Ascites
References: Sarmay G et al. Protein-tyrosine kinase activity tightly associated with human type II Fc gamma receptors. Proc Natl Acad Sci U S A 91:4140-4 (1994). Far DF et al. Immunofluorescent quantification of tyrosine phosphorylation of cellular proteins in whole cells by flow cytometry. Cytometry 15:327-34 (1994). Barry ST & Critchley DR The RhoA-dependent assembly of focal adhesions in Swiss 3T3 cells is associated with increased tyrosine phosphorylation and the recruitment of both pp125FAK and protein kinase C-delta to focal adhesions. J Cell Sci 107 (Pt 7):2033-45 (1994). Arad-Dann H et al. Immunohistochemistry of phosphotyrosine residues: identification of distinct intracellular patterns in epithelial and steroidogenic tissues. J Histochem Cytochem 41:513-9 (1993). Dvir A et al. The inhibition of EGF-dependent proliferation of keratinocytes by tyrphostin tyrosine kinase blockers. J Cell Biol 113:857-65 (1991).
Additional info: This monoclonal antibody reacts specifically with phosphotyrosine and shows minimal reactivity by ELISA and competitive ELISA with phosphoserine or phosphothreonine. The antibody reacts with free phosphotyrosine, phosphotyrosine conjugated to carriers such as thyroglobulin or BSA, and detects the presence of phosphotyrosine in proteins of both unstimulated and stimulated cell lysates.

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