|Description||Recombinant protein from the full-length sequence of homo sapiens interferon regulatory factor 9 (IRF9) (NM_006084), with a His tag.|
|RefSeq Link||NM_006084; NP_006075; UniProt#: Q00978; GeneID: 10379;|
|Synonyms||IRF-9; ISGF3; ISGF3G; p48|
|Molecular Weight||43.5 kDa|
|Purity||>90% by SDS-PAGE gel and Coomassie Blue staining|
|Applications||Antigens, Western, ELISA and other in vitro binding or in vivo functional assays, and protein-protein interaction studies; For research & development use only!|
|Formulation||Purified protein formulated in a sterile solution of PBS buffer, pH7.2, without any preservatives|
|Endotoxin||>Endotoxin level is < 0.1 ng/µg of protein (<1EU/µg)|
|Background||Transcription 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. IRF9/ISGF3G associates with the phosphorylated STAT1:STAT2 dimer 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. [UniProtKB/Swiss-Prot Function]|
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