Mouse monoclonal [PCRP-IRF9-2F8] antibody to IRF9.
Specificity
Transcription regulatory factor that mediates signaling by type I IFNs (IFN-alpha and IFN-beta). Following type I IFN binding to cell surface receptors, Jak kinases (TYK2 and JAK1) are activated, leading to tyrosine phosphorylation of STAT1 and STAT2. The phosphorylated STATs dimerize, associate with IRF9/ISGF3G to form a complex termed ISGF3 transcription factor, that enters the nucleus. ISGF3 binds to the IFN stimulated response element (ISRE) to activate the transcription of interferon stimulated genes, which drive the cell in an antiviral state.
SDS-PAGE analysis of Anti-IRF9 Antibody [PCRP-IRF9-2F8] under non-reduced and reduced conditions; showing intact IgG and intact heavy and light chains, respectively. SDS-PAGE analysis confirms the integrity and purity of the antibody.
Flow cytometric analysis of PFA-fixed HeLa cells using Anti-IRF9 Antibody [PCRP-IRF9-2F8] followed by Goat Anti-Mouse IgG (CF® 488) (Blue). Unstained cells (Red).
Immunofluorescent analysis of PFA-fixed HeLa cells stained with Anti-IRF9 Antibody [PCRP-IRF9-2F8] followed by Goat Anti-Mouse IgG (CF® 488) (Green). Counterstain (Red).
Analysis of protein array containing more than 19,000 full-length human proteins using Anti-IRF9 Antibody [PCRP-IRF9-2F8]. Z-Score and S- Score: The Z-score represents the strength of a signal that a monoclonal antibody (MAb) (in combination with a fluorescently-tagged anti-IgG secondary antibody) produces when binding to a particular protein on the HuProtTM array. Z-scores are described in units of standard deviations (SD's) above the mean value of all signals generated on that array. If targets on HuProtTM are arranged in descending order of the Z-score, the S-score is the difference (also in units of SD's) between the Z-score. S-score therefore represents the relative target specificity of a MAb to its intended target; a MAb is considered to be specific to its intended target, if the MAb has an S-score of at least 2.5. For example, if a MAb binds to protein X with a Z-score of 43 and to protein Y with a Z-score of 14, then the S-score for the binding of that MAb to protein X is equal to 29.
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