IFNAR1 Human

Interferon Alpha and Beta Receptor Subunit 1 Human Recombinant
Cat. No.
BT9900
Source

Sf9, Insect cells.

Synonyms

IFN-alpha/beta R1, IFNAR1, AVP, IFN-alpha-REC, IFNAR, IFNBR, IFRC, Interferon alpha/beta receptor 1, IFN-R-1, IFN-alpha/beta receptor 1, Cytokine receptor class-II member 1, Cytokine receptor family 2 member 1, CRF2-1, Type I interferon receptor 1.

Appearance

Sterile filtered colorless solution.

Purity

Greater than 95.0% as determined by SDS-PAGE.

Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

IFNAR1 produced in Sf9 Insect cells is a single, glycosylated polypeptide chain containing 415 amino acids (28-436a.a.) and having a molecular mass of 47.9kDa. IFNAR1 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Product Specs

Introduction
The Interferon Alpha And Beta Receptor, also known as IFNAR1, belongs to the class II cytokine receptor family. It forms one part of a two-chain receptor that binds to interferons alpha and beta. Upon binding, IFNAR1 activates the receptor, which in turn stimulates Janus protein kinases. These kinases phosphorylate several proteins, including STAT1 and STAT2. Additionally, IFNAR1 plays a role as an antiviral factor.
Description
IFNAR1, produced in Sf9 Insect cells, is a single, glycosylated polypeptide chain consisting of 415 amino acids (28-436a.a.) with a molecular weight of 47.9kDa. This protein is expressed with a C-terminal 6-amino acid His tag and purified using proprietary chromatographic techniques.
Physical Appearance
A colorless solution that has been sterilized by filtration.
Formulation
The IFNAR1 protein solution is provided at a concentration of 0.5mg/ml and contains Phosphate Buffered Saline (pH 7.4) and 20% glycerol.
Stability
For short-term storage (2-4 weeks), the product should be kept at 4°C. For extended storage, it is recommended to freeze the product at -20°C. To ensure long-term stability, adding a carrier protein (0.1% HSA or BSA) is advisable. Repeated freeze-thaw cycles should be avoided.
Purity
Purity is determined by SDS-PAGE analysis and is greater than 95.0%.
Synonyms

IFN-alpha/beta R1, IFNAR1, AVP, IFN-alpha-REC, IFNAR, IFNBR, IFRC, Interferon alpha/beta receptor 1, IFN-R-1, IFN-alpha/beta receptor 1, Cytokine receptor class-II member 1, Cytokine receptor family 2 member 1, CRF2-1, Type I interferon receptor 1.

Source

Sf9, Insect cells.

Amino Acid Sequence

KNLKSPQKVE VDIIDDNFIL RWNRSDESVG NVTFSFDYQK TGMDNWIKLS GCQNITSTKC NFSSLKLNVY EEIKLRIRAE KENTSSWYEV DSFTPFRKAQ IGPPEVHLEA EDKAIVIHIS PGTKDSVMWA LDGLSFTYSL VIWKNSSGVE ERIENIYSRH KIYKLSPETT YCLKVKAALL TSWKIGVYSP VHCIKTTVEN ELPPPENIEV SVQNQNYVLK WDYTYANMTF QVQWLHAFLK RNPGNHLYKW KQIPDCENVK TTQCVFPQNV FQKGIYLLRV QASDGNNTSF WSEEIKFDTE IQAFLLPPVF NIRSLSDSFH IYIGAPKQSG NTPVIQDYPL IYEIIFWENT SNAERKIIEK KTDVTVPNLK PLTVYCVKAR AHTMDEKLNK SSVFSDAVCE KTKPGNTSKH HHHHH.

Product Science Overview

Introduction

Interferon Alpha and Beta Receptor Subunit 1 (IFNAR1) is a crucial component of the type I interferon receptor complex. This receptor plays a significant role in the immune response, particularly in antiviral defense mechanisms. The recombinant form of IFNAR1 is used in various research and therapeutic applications.

Structure and Function

IFNAR1 is a type I membrane protein that forms one of the two chains of the receptor for type I interferons, including interferon-alpha, -beta, and -lambda . The receptor complex is composed of two subunits: IFNAR1 and IFNAR2. IFNAR1 is the low-affinity subunit, while IFNAR2 is the high-affinity subunit .

Upon binding of type I interferons, the receptor activates the Janus kinase-signal transducer and activator of transcription (JAK-STAT) signaling pathway . This activation leads to the phosphorylation of several proteins, including STAT1 and STAT2, which then translocate to the nucleus to modulate the expression of interferon-stimulated genes (ISGs) . These genes encode proteins that have antiviral, antiproliferative, and immunomodulatory functions.

Biological Significance

The type I interferon receptor, including IFNAR1, is essential for the body’s defense against viral infections. It mediates the effects of interferons, which are cytokines that have potent antiviral activities. The activation of the interferon receptor leads to a cascade of signaling events that result in the expression of ISGs, which inhibit viral replication and modulate the immune response .

Clinical Relevance

Mutations or deficiencies in IFNAR1 can lead to severe immunodeficiency disorders, making individuals more susceptible to viral infections . Additionally, the recombinant form of IFNAR1 is used in research to study the mechanisms of interferon signaling and to develop therapeutic strategies for viral infections and other diseases.

Research and Therapeutic Applications

Recombinant IFNAR1 is widely used in research to understand the molecular mechanisms of interferon signaling. It is also being explored as a therapeutic target for various diseases, including viral infections, autoimmune disorders, and certain types of cancer .

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