IL-10R beta Protein, Human (HEK293, His)

IL-10R beta protein is an IL10 cytokine surface receptor involved in IL10-mediated inflammation and immune regulation, as well as viral defense responses.IL-10R beta Protein, Human (HEK293, His) is expressed by HEK 293 cells and has a transmembrane region (W221-F242) with a 6*His tag at the C-terminus^[3].

IL-10 receptor complex consists of a heterodimer of four transmembrane chains, two of which form IL-10R alpha and two of which form IL-10R beta. IL-10R beta, originally known as the orphan receptor CRF2-4, is an essential accessory subunit for the active interleukin 10 receptor complex^[1].
IL-10R beta can bind to IL-10 via the JAK-STAT pathway, and activation of the IL-10 receptor complex leads to phosphorylation of the receptor-associated proteins TYK and JAK-1, and ultimately to activation of the transcription factors STAT3, STAT1, and STAT5, which regulate the expression of IL-10-responsive genes, including c-myc, bcl-2, and bcl-xL, initiating signal transduction^[2].
IL-10R beta is expressed on most cell types and is also a shared cell surface receptor required for the activation of five class II cytokines (IL-10, IL-22, IL-26, IL-28 and IFNL1), which play a key role in host defense, immune regulation. Among them, the IFNLR1/IL10R beta dimer is the receptor for the cytokine ligands IFNL2 and IFNL3 and mediates their antiviral activity^[3].

IL-10R beta expression levels increase steadily during neuronal differentiation in human neuronal cells (NT2-N) and can be co-expressed with IL-28Rα, affecting the biological function of cells for IFN-λ^[4].

Immobilized Recombinant Human IL 28 R alpha /IFN lambda R1 at 5 μg/mL (100 μL/well) can bind Biotinylated Recombinant Human IL-10R beta. The ED₅₀ for this effect is 9.714 μg/mL.

Human

HEK293

C-6*His

Q08334/NP_000619.3 (M20-S220)

3588  [NCBI]

Extracellular Domain

MVPPPENVRMNSVNFKNILQWESPAFAKGNLTFTAQYLSYRIFQDKCMNTTLTECDFSSLSKYGDHTLRVRAEFADEHSDWVNITFCPVDDTIIGPPGMQVEVLADSLHMRFLAPKIENEYETWTMKNVYNSWTYNVQYWKNGTDEKFQITPQYDFEVLRNLEPWTTYCVQVRGFLPDRNKAGEWSEPVCEQTTHDETVPS

Approximately 48 kDa

≥ 95%, as determined by reducing SDS-PAGE.

Lyophilized powder

Lyophilized from a 0.2 μm filtered solution of 20 mM PB,150 mM NaCl, pH 7.4.

<1 EU/μg, determined by LAL method.

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH₂O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Room temperature in continental US; may vary elsewhere.

• [1]. Sung-Il Yoon, et al. Structure and mechanism of receptor sharing by the IL-10R2 common chain. Structure. 2010 May 12;18(5):638-48.  [Content Brief]

  [2]. J Shi, et al. IL10 inhibits starvation-induced autophagy in hypertrophic scar fibroblasts via cross talk between the IL10-IL10R-STAT3 and IL10-AKT-mTOR pathways. Cell Death Dis. 2016 Mar 10;7(3):e2133.  [Content Brief]

  [3]. Paul Sheppard, et al. IL-28, IL-29 and their class II cytokine receptor IL-28R. Nat Immunol. 2003 Jan;4(1):63-8.  [Content Brief]

  [4]. L. Zhou, et al. Activation of toll-like receptor-3 induces interferon-lambda expression in human neuronal cells. Neuroscience. 2009 Mar 17;159(2):629-37.