货号 | RDC2083 |
别名 | cytokine receptor; EBI3; EBV-induced gene 3 protein; Epstein-Barr virus induced 3; Epstein-Barr virus induced gene 3; Epstein-Barr virus-induced gene 3 protein; IL-27 subunit beta; IL-27/IL-35 EBI3 Subunit; IL27B; IL-27B; IL35 EBI3; interleukin-27 subunit beta | 全称 | Epstein-Barr virus induced gene 3 |
供应商 | R&D Systems |
Entrez Gene IDs | 10148 (Human); 50498 (Mouse); 680609 (Rat); 102144621 (Cynomolgus Monkey) |
背景 | Interleukin-27 (IL-27) is a heterodimeric group 2 receptor ligand molecule that belongs to the IL-6/IL-12 family of long type I cytokines. It is composed of EBI3 (EBV-induced gene 3), a 34 kDa glycoprotein that is related to the p40 subunit of IL-12 and IL-23, and p28, the 28 kDa glycoprotein that is related to the p35 chain of IL-12). The human EBI3 gene encodes a 229 amino acid (aa) precursor that contains a 20 aa signal peptide and 209 aa mature protein. The mature region contains two potential N-linked glycosylation sites, two fibronectin type III domains, and two pairs of conserved cysteine residues with a WSxWS-like motif that places the IL-27 molecule in the hematopoietin receptor family. Although p40, the EBI3 counterpart in IL-12, is known to form homodimers, there is no evidence to date that EBI3 also homodimerizes. Human EBI3 is 61% aa identical to mouse EBI3. The human p28 gene encodes a 243 aa precursor that contains a 28 aa signal sequence and 215 aa mature region. The mature region is characterized by the presence of four α-helices, placing it in the IL-6 family of helical cytokines. Human p28 is 74% aa identical to mouse p28. IL-27 is expressed by monocytes, endothelial cells and dendritic cells. IL-27 binds to and signals through a heterodimeric receptor complex composed of WSX-1 (TCCR) and gp130. Evidence suggests IL-27 interacts only with WSX-1. IL-27 has both anti- and pro-inflammatory properties. As an anti-inflammatory, IL-27 seems to induce a general negative feedback program that limits T and NK-T cell activity. At the onset of infection, IL-27 induces an IL-12 receptor on naïve CD4+ T cells, making them susceptible to subsequent IL-12 activity (and possible Th1 development). |
运输条件 | Blue Ice |
存放说明 | -20℃ |
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