CST, 90740T, Phospho-Stat2 (Tyr690) (D3P2P) Rabbit Monoclonal Antibody (Alexa Fluor® 647 Conjugate)

Monoclonal Antibody for studying Stat2 (Tyr690) phosphate. Validated for Flow Cytometry (Fixed/Permeabilized). Available in 2 sizes. Highly specific and rigorously validated in-house, Phospho-Stat2 (Tyr690) (D3P2P) Rabbit Monoclonal Antibody (Alexa Fluor^® 647 Conjugate) (CST #90740) is ready to ship. Product Usage Information Flow Cytometry (Fixed/Permeabilized): 1:50 Storage Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze. Protocol Available protocols: Flow Cytometry (Fixed/Permeabilized) Specificity / Sensitivity Phospho-Stat2 (Tyr690) (D3P2P) Rabbit Monoclonal Antibody (Alexa Fluor Species Reactivity: Human, Rat Source / Purification Monoclonal antibody is produced by immunizing animals with a synthetic phospho-peptide corresponding to residues surrounding Tyr690 of human Stat2 protein. Background Stat2 (113 kDa), originally purified from the nuclei of alpha-interferon-treated cells, is critical to the transcriptional responses induced by type I interferons, IFN-alpha/beta (1,2). Knockout mice with a targeted disruption of Stat2 have higher susceptibility to viral infection and altered responses to type I interferons (3). Stat2 is rapidly activated by phosphorylation at Tyr690 in response to stimulation by IFN-alpha/beta via associations with receptor-bound Jak kinases (4). Unlike other Stat proteins, Stat2 does not form homodimers. Instead, activated Stat2 forms a heterodimer with Stat1 and translocates to the nucleus. There, it associates with the DNA-binding protein p48 and forms the transcriptional activator complex, interferon-stimulated gene factor 3 (ISGF3), promoting transcription from the ISRE (5). Alternate Names IMD44; interferon alpha induced transcriptional activator; ISGF-3; MGC59816; p113; PTORCH3; Signal transducer and activator of transcription 2; signal transducer and activator of transcription 2, 113kDa; STAT113; STAT2 Specification REACTIVITY: H R SENSITIVITY: Endogenous Source/Isotype: Rabbit IgG