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BT LAB
Artikelnummer: BT-AP07159-50ul
PIASy Polyclonal Antibody, 50ul
The protein inhibitor of activated Stat (PIAS) proteins, which include PIAS1, PIAS3, PIASx, and PIASy, were originally characterized based on their interaction with the Stat family of transcription factors. PIAS1, PIAS3, and PIASx interact with and repress Stat1, Stat3, and Stat4, respectively. Deletion of PIAS1 leads to inhibition of interferon-inducible genes and increased protection against infection. The PIAS family contains a conserved RING domain that has been linked to a function as a small ubiquitin-related modifier (SUMO) ligase, coupling the SUMO conjugating enzyme Ubc9 with its substrate proteins. Numerous studies have now shown that PIAS family members can regulate the activity of transcription factors through distinct mechanisms, including NF-κB , c-Jun, p53 , Oct-4, and Smads. The activity of PIAS1 is regulated by both phosphorylation and arginine methylation. Inflammatory stimuli can induce IKK-mediated phosphorylation of PIAS1 at Ser90, which is required for its activity. In addition, PRMT1 induces arginine methylation of PIAS1 at Arg303 following interferon treatment and is associated with its repressive activity on Stat1. PIAS4, also known as PIASy, is a specific SUMO-E3 ligase for Ets-1 and represses Ets-1 dependent transcription. PIAS4 also alters the nuclear localization, reduces the transcriptional activity of C/EBPδ, and enhances cell proliferation and migration.
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Product Specification
Basic Information
Brands:BT LAB
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Place of Origin:China
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Concentration:1 mg/ml
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Storage:-20°C for 1 year
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Features and Capabilities
Application:WB, IHC-p, ELISA
Detection Target:PIAS4
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Research Areas:Epigenetics and Nuclear Signaling
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Reactivity:Human, Mouse
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Clonality:Polyclonal
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Formulation:Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
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