Our Anti-Interferon-α Receptor, Type I, Subunit I (Ser535,539) rabbit polyclonal phosphospecific primary antibody from PhosphoSolutions is produced in-house. It detects human Interferon-α Receptor, Type I, Subunit I (Ser535,539) and is antigen affinity purified from pooled serum. It is great for use in WB.
Western blot of immunoprecipitates from HEK 293 cells transfected with 1) Mock, 2) IFNAR1 WT, and 3) IFNAR1 S535A and S539A mutants. Specific immunolabeling of the ~110 kDa to ~130 kDa IFNAR1 WT (2) is shown in the first blot, as the immunolabeling is absent in IFNAR1 Ser535 and Ser539 mutants (3). The specific immunolabeling is blocked by the phosphopeptide (+) used as the antigen in the second blot.
Interferon-α Receptor, Type I, Subunit I (Ser535,539)
Interferons are widely used therapeutic agents because of their anti tumor and antiviral effects and because of their modulatory effects on the immune system (Biron, 2001; Kirkwood, 2002). These cytokines produce their effects by binding to the Type 1 Interferon-α Receptor (IFNAR1). Down regulation of this receptor plays a key role in determining the magnitude and duration of cytokine signaling. This down regulation is thought to be influenced by phosphorylation of Serine-535 and Ser-539 in the IFNAR1 (Kumar et al., 2003).
Antigen Affinity Purified from Pooled Serum
Polyclonal
IgG
WB
Rabbit
IFNAR1
110-130 kDa
Synthetic phospho-peptide corresponding to amino acid residues surrounding Ser535/539 of human interferon-α, conjugated to keyhole limpet hemocyanin (KLH).
Human
Bovine, Canine, Non-Human Primate, Mouse, Rat, Sheep
AB_2492138
Storage at -20°C is recommended, as aliquots may be taken without freeze/thawing due to presence of 50% glycerol. Stable for at least 1 year at -20°C.
Liquid
Prepared from pooled rabbit serum by affinity purification via sequential chromatography on phospho and non-phosphopeptide affinity columns.
10 mM HEPES (pH 7.5), 150 mM NaCl, 100 µg per ml BSA and 50% glycerol.
WB: 1:1000
Unconjugated
Specific for IFNAR1 protein phosphorylated at Ser535,539. Note: the molecular weight of the IFNAR1 varies with cell line (different levels of glycosylation) in 293 and HeLa Cells; the mature form is ~110 kDa - 130 kDa.
Phosphorylated
Ser535,539
Western blots performed on each lot.
For research use only. Not intended for therapeutic or diagnostic use. Use of all products is subject to our terms and conditions, which can be viewed on our website.
After date of receipt, stable for at least 1 year at -20°C.
Blue Ice
Alpha-Type Antiviral Protein, AVP, Beta-Type Antiviral Protein, CRF2-1, Cytokine Receptor Class-II Member 1, Cytokine Receptor Family 2 Member 1, IFN-Alpha/Beta Receptor 1, IFNBR, IFN-Alpha-REC, IFNAR, IFN-R-1, IFRC, Interferon Alpha/Beta Receptor 1, Interferon-Alpha/Beta Receptor Alpha Chain, Interferon Alpha And Beta Receptor Subunit 1, Interferon (Alpha, Beta And Omega) Receptor 1, Interferon-Beta Receptor 1, Interferon Receptor 1, Type I Interferon Receptor 1
Zheng, H., et al. 2011. Tyrosine phosphorylation of protein kinase D2 mediates ligand-inducible elimination of the Type 1 interferon receptor. Journal of Biological Chemistry, 286(41), pp.35733-35741.
Bhattacharya, S., et al. 2011. Role of p38 protein kinase in the ligand-independent ubiquitination and down-regulation of the IFNAR1 chain of type I interferon receptor. Journal of Biological Chemistry, 286(25), pp.22069-22076.
Bhattacharya, S., et al. 2010. Inducible priming phosphorylation promotes ligand-independent degradation of the IFNAR1 chain of type I interferon receptor. J Biol Chem. 285(4):2318-25.
Liu, J., et al. 2009. Mammalian casein kinase 1α and its leishmanial ortholog regulate stability of IFNAR1 and type I interferon signaling. Molecular and cellular biology, 29(24), pp.6401-6412.
Kumar, K.G., et al. 2004. Phosphorylation and Specific Ubiquitin Acceptor Sites Are Required for Ubiquitination and Degradation of the IFNAR1 Subunit of Type I Interferon Receptor. J. Biol. Chem., Nov 2004; 279: 46614 - 46620.
Bhattacharya, S., et al. 2011. Role of p38 protein kinase in the ligand-independent ubiquitination and down-regulation of the IFNAR1 chain of type I interferon receptor. Journal of Biological Chemistry, 286(25), pp.22069-22076.
Liu, J., et al. 2009. Mammalian casein kinase 1α and its leishmanial ortholog regulate stability of IFNAR1 and type I interferon signaling. Molecular and cellular biology, 29(24), pp.6401-6412.
Bulk Order Anti-Interferon-α Receptor, Type I, Subunit I (Ser535,539) Antibody