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Testing Data

Rabbit anti-Rat Interferon-a Receptor, Type I, Subunit I (Ser535,539) Polyclonal Antibody | anti-IFNAR1 antibody

Anti-Phospho-Ser535,539 Interferon-alpha Receptor, Type I, Subunit I

Gene Names
IFNAR1; AVP; IFRC; IFNAR; IFNBR; IFN-alpha-REC
Reactivity
Rat
Applications
Western Blot, Immunohistochemistry
Purity
Affinity Purified (Prepared from rabbit serum by affinity purification via sequential chromatography on phospho- and dephosphopeptide affinity columns.)
Synonyms
Interferon-a Receptor; Type I; Subunit I (Ser535; 539); Polyclonal Antibody; Anti-Phospho-Ser535; 539 Interferon-alpha Receptor; Subunit I; anti-IFNAR1 antibody
Ordering
For Research Use Only!
Host
Rabbit
Reactivity
Rat
Clonality
Polyclonal
Specificity
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 - 130k.
Purity/Purification
Affinity Purified (Prepared from rabbit serum by affinity purification via sequential chromatography on phospho- and dephosphopeptide affinity columns.)
Form/Format
100 ul in 10 mM HEPES (pH 7.5), 150 mM NaCl, 100 ug per ml BSA and 50% glycerol. Adequate amount of material to conduct 10-mini Western Blots
Sequence Length
557
Applicable Applications for anti-IFNAR1 antibody
Western Blot (WB), Immunohistochemistry (IHC)
Application Notes
Quality Control: Western blots performed on each lot.
WB: 1:1000
IHC: 1:1000
Antigen
Phosphopeptide corresponding to amino acid residues surrounding the phospho-Ser535,539 of human interferon-alpha receptor, type I, subunit I (IFNAR1).
Immunogen Information
Synthetic phospho-peptide corresponding to amino acid residues surrounding Ser535/539 conjugated to KLH
Immunogen Species
Human
Reactivity Assumed Based on 100% Sequence Homology
Bovine, canine, human, mouse, non-human primates and sheep
Species Reactivity Note
The antibody has been directly tested for reactivity in Western blots with rat tissue. It is anticipated that the antibody will react with bovine, canine, human, mouse, non-human primates and sheep based on the fact that these species have 100% homology with the amino acid sequence used as antigen.
Biological Significance
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-alpha 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 539 in the IFNAR1 (Kumar et al., 2003).
Preparation and Storage
For long term storage -20 degree C is recommended. Stable at -20 degree C for at least 1 year.

Testing Data

Testing Data
Related Product Information for anti-IFNAR1 antibody
Affinity purified rabbit polyclonal antibody
References
• Biron CA (2001) Interferons alpha and beta as immune regulators--a new look. Immunity 14:661-664.
• Kirkwood J (2002) Cancer immunotherapy: the interferon-alpha experience. Semin Oncol 29:18-26.
• Kumar KG, Tang W, Ravindranath AK, Clark WA, Croze E, Fuchs SY (2003) SCF(HOS) ubiquitin ligase mediates the ligand-induced down-regulation of the interferon-alpha receptor. EMBO J 22:5480-5490.
• K. G. Suresh Kumar, John J. Krolewski, and Serge Y. Fuchs (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.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
110-130
NCBI Official Full Name
interferon alpha/beta receptor 1
NCBI Official Synonym Full Names
interferon (alpha, beta and omega) receptor 1
NCBI Official Symbol
IFNAR1
NCBI Official Synonym Symbols
AVP; IFRC; IFNAR; IFNBR; IFN-alpha-REC
NCBI Protein Information
interferon alpha/beta receptor 1; CRF2-1; IFN-R-1; IFN-alpha/beta receptor 1; interferon-beta receptor 1; beta-type antiviral protein; alpha-type antiviral protein; type I interferon receptor 1; cytokine receptor class-II member 1; cytokine receptor family 2 member 1; interferon-alpha/beta receptor alpha chain
UniProt Protein Name
Interferon alpha/beta receptor 1
UniProt Gene Name
IFNAR1
UniProt Synonym Gene Names
IFNAR; IFN-R-1; IFN-alpha/beta receptor 1; CRF2-1
UniProt Entry Name
INAR1_HUMAN

NCBI Description

The protein encoded by this gene is a type I membrane protein that forms one of the two chains of a receptor for interferons alpha and beta. Binding and activation of the receptor stimulates Janus protein kinases, which in turn phosphorylate several proteins, including STAT1 and STAT2. The encoded protein also functions as an antiviral factor. [provided by RefSeq, Jul 2008]

Uniprot Description

Function: Associates with IFNAR2 to form the type I interferon receptor. Receptor for interferons alpha and beta. Binding to type I IFNs triggers tyrosine phosphorylation of a number of proteins including JAKs, TYK2, STAT proteins and IFNR alpha- and beta-subunits themselves.

Subunit structure: Heterodimer with IFNAR2; in presence of interferon alpha and beta ligands, the heterodimer forms the type I interferon receptor. Interacts with STAT1 and STAT2; the interaction requires its phosphorylation at Tyr-466. Interacts with IFNAR2. Ref.11 Ref.12

Subcellular location: Isoform 1: Membrane; Single-pass type I membrane protein.

Tissue specificity: IFN receptors are present in all tissues and even on the surface of most IFN-resistant cells. Isoform 1, isoform 2 and isoform 3 are expressed in the IFN-alpha sensitive myeloma cell line U266B1. Isoform 2 and isoform 3 are expressed in the IFN-alpha resistant myeloma cell line U266R. Isoform 1 is not expressed in IFN-alpha resistant myeloma cell line U266R. Ref.9

Post-translational modification: Phosphorylated on tyrosine residues by TYK2 tyrosine kinase. Ref.10Palmitoylation at Cys-463 is required for the activation of STAT1 and STAT2. Ref.14

Sequence similarities: Belongs to the type II cytokine receptor family.Contains 4 fibronectin type-III domains.

Sequence caution: The sequence AAH02590.1 differs from that shown. Reason: Contaminating sequence. Potential poly-A sequence.

Research Articles on IFNAR1

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Product Notes

The IFNAR1 ifnar1 (Catalog #AAA502069) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Anti-Phospho-Ser535,539 Interferon-alpha Receptor, Type I, Subunit I reacts with Rat and may cross-react with other species as described in the data sheet. AAA Biotech's Interferon-a Receptor, Type I, Subunit I (Ser535,539) can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB), Immunohistochemistry (IHC). Quality Control: Western blots performed on each lot. WB: 1:1000 IHC: 1:1000. Researchers should empirically determine the suitability of the IFNAR1 ifnar1 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "Interferon-a Receptor, Type I, Subunit I (Ser535,539), Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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