PIAS3 (D5F9) XP® Rabbit mAb #9042
- WB
- IP
- IF
Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | 65-75 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
- IF-Immunofluorescence
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:100 |
| Immunofluorescence (Immunocytochemistry) | 1:200 |
Storage
Protocol
Specificity / Sensitivity
Species Reactivity:
The antigen sequence used to produce this antibody shares 100% sequence homology with the species listed here, but reactivity has not been tested or confirmed to work by CST. Use of this product with these species is not covered under our Product Performance Guarantee.
Species predicted to react based on 100% sequence homology:
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro590 of human PIAS3 protein.
Background
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 (1,2). PIAS1, PIAS3, and PIASx interact with and repress Stat1, Stat3, and Stat4, respectively (1-3). Deletion of PIAS1 leads to inhibition of interferon-inducible genes and increased protection against infection (4). 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 (5,6). Numerous studies have now shown that PIAS family members can regulate the activity of transcription factors through distinct mechanisms, including NF-κB (7,8), c-Jun, p53 (5,9), Oct-4 (10), and Smads (11,12). 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 (13). In addition, PRMT1 induces arginine methylation of PIAS1 at Arg303 following interferon treatment and is associated with its repressive activity on Stat1 (14).
- Liu, B. et al. (1998) Proc Natl Acad Sci USA 95, 10626-31.
- Chung, C.D. et al. (1997) Science 278, 1803-5.
- Arora, T. et al. (2003) J Biol Chem 278, 21327-30.
- Liu, B. et al. (2004) Nat Immunol 5, 891-8.
- Schmidt, D. and Müller, S. (2002) Proc Natl Acad Sci USA 99, 2872-7.
- Kotaja, N. et al. (2002) Mol Cell Biol 22, 5222-34.
- Liu, B. et al. (2005) Mol Cell Biol 25, 1113-23.
- Tahk, S. et al. (2007) Proc Natl Acad Sci USA 104, 11643-8.
- Bischof, O. et al. (2006) Mol Cell 22, 783-94.
- Tolkunova, E. et al. (2007) J Mol Biol 374, 1200-12.
- Long, J. et al. (2004) Proc Natl Acad Sci USA 101, 99-104.
- Murdoch, R.N. and Edwards, T. (1992) Biochem Int 28, 1029-37.
- Liu, B. et al. (2007) Cell 129, 903-14.
- Weber, S. et al. (2009) Genes Dev 23, 118-32.
Limited Uses
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