|Positive WB detected in
|HeLa cells, A431 cells, A549 cells, PC-3 cells, COLO 320 cells
|Positive IHC detected in
|human breast cancer tissue
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0
|Positive IF detected in
|Western Blot (WB)
|WB : 1:1000-1:4000
|IHC : 1:200-1:800
|IF : 1:400-1:1600
|It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
|Sample-dependent, check data in validation data gallery
66485-1-Ig targets STAT2 in WB, IP, IHC, IF, ELISA applications and shows reactivity with Human, mouse, rat samples.
|Human, mouse, rat
|human, mouse, pig
|Host / Isotype
|Mouse / IgG1
|STAT2 fusion protein Ag10168
|signal transducer and activator of transcription 2, 113kDa
|Calculated molecular weight
|851 aa, 98 kDa
|Observed molecular weight
|GenBank accession number
|Gene ID (NCBI)
|Protein A purification
|PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
|Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA.
STAT2, also named as p113, belongs to the transcription factor STAT family. It is a signal transducer and activator of transcription 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 and associate with ISGF3G/IRF-9 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 IF stimulated genes, which drive the cell in an antiviral state. It also interacts with CRSP2, CRSP6, Simian virus 5 protein V, rabies virus phosphoprotein, IFNAR1 and IFNAR2. Its interaction with dengue virus NS5 inhibits the phosphorylation of STAT2, and, when all viral proteins are present (polyprotein), STAT2 is targeted for degradation. The calculated molecular weight of STAT2 is 98 kDa, but phosphorylated STAT2 is about 100-113 kDa.
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