CST, 9356T, Phospho-Stat5 (Tyr694) (14H2) Mouse Monoclonal Antibody

Monoclonal Antibody for studying STAT5A (Tyr694) phosphate/STAT5B (Tyr699) phosphate. Validated for Western Blotting,Immunoprecipitation. Available in 2 sizes. Highly specific and rigorously validated in-house, Phospho-Stat5 (Tyr694) (14H2) Mouse Monoclonal Antibody (CST #9356) is ready to ship. Product Usage Information Western Blotting: 1:1000 Immunoprecipitation: 1:200 Storage Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/mL BSA, 50% glycerol, and less than 0.02% sodium azide. Store at -20°C. Do not aliquot the antibody. For a carrier free (BSA and azide free) version of this product see product # 33857 . Protocol Available protocols: Western Blotting, Immunoprecipitation Specificity / Sensitivity Phospho-Stat5 (Tyr694) (14H2) Mouse Monoclonal Antibody detects endogenous levels of Stat5a only when phosphorylated at Tyr694 and Stat5b when phosphorylated at Tyr699. This antibody does not cross-react with the corresponding phospho-tyrosines of other Stat proteins. Species Reactivity: Human, Mouse Source / Purification Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr694 of mouse Stat5a. Background Stat5 is activated in response to a wide variety of ligands, including IL-2, GM-CSF, growth hormone, and prolactin. Phosphorylation at Tyr694 is obligatory for Stat5 activation (1,2). This phosphorylation is mediated by Src upon erythropoietin stimulation (3). Stat5 is constitutively active in some leukemic cell types (4). Phosphorylated Stat5 is found in some endothelial cells treated with IL-3, which suggests its involvement in angiogenesis and cell motility (5). Stat5a and Stat5b are independently regulated and activated in various cell types. For instance, interferon treatment predominantly activates Stat5a in U-937 cells and Stat5b in HeLa cells (6). Alternate Names epididymis secretory sperm binding protein; GHISID2; MGF; Signal transducer and activator of transcription 5A; Signal transducer and activator of transcription 5B; STA5A; STA5B; STAT5; STAT5A; STAT5B; transcription factor STAT5B Specification REACTIVITY: H M SENSITIVITY: Endogenous MW (kDa): 90 Source/Isotype: Mouse IgG1