Purity: >95%, by SDS-PAGE visualized with Coomassie® Blue Staining Description: Human interleukin-36 receptor antagonist [IL-36Ra; previously IL-1F5 and also named FIL-1δ (delta), IL1HY1, IL1H3, and IL-1L1] is a member of the IL1 family of proteins. IL1 family members include IL-1 beta, IL-1 alpha, IL-1ra, IL18 and IL-1F5-F10. All family members show a 12 beta -strand, beta -trefoil configuration, and all family members are believed to have arisen from a common ancestral gene that underwent multiple duplications. The human IL36Ra/IL1F5 gene is in closest proximity to the gene for IL-1ra and is likely a relatively recent duplication of the IL-1ra gene. IL-36Ra/IL-1F5 is synthesized as a 155 amino acid (aa) protein that contains no signal sequence, no prosegment and no potential N-linked glycosylation site(s). Nevertheless, it appears to be secreted as a 17 kDa monomer. There is an alternate start site that potentially gives rise to an alternate splice form. The translated product, however, has a premature stop codon, resulting in a truncated 16 aa peptide. Human to mouse, full-length IL-1F5 has 90% aa identity. Within the family, IL-36Ra/IL-1F5 is 50% aa identical to IL-1ra, and 32%, 31%, 35%, 37%, 32% and 42% aa identical to IL-1 beta, IL-36 alpha /IL1F6, IL37/IL1F7, IL36 beta /IL1F8, IL36 gamma /IL1F9 and IL1F10, respectively. Cells reported to express IL36Ra/IL-1F5 include monocytes, B cells, dendritic cells/Langerhans cells, keratinocytes, and gastric fundus Parietal and Chief cells. The receptor for IL-36Ra/IL-1F5 has not been positively identified. Indirect evidence suggests it is IL-1 Rrp2 and/or IL-1 RAcP. In either case, activity association with receptor binding is also unclear. It was initially reported to be an antagonist of IL36 gamma /IL1F9 activity. This would be consistent with its hypothesized relationship to IL1ra. Studies, however, find IL-36Ra/IL-1F5 antagonist activity difficult to demonstrate.
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Recombinant Human IL-36Ra/IL-1F5 Protein
CAS number：unknown molecular formula：
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| Chinese alias | 重组人IL-36Ra/IL-1F5蛋白 | 重组人IL-36Ra/IL-1F5蛋白 | 重组人 IL-36Ra/IL-1F5 蛋白 | ||
| English alias | interleukin 1 family, member 5 (delta) | interleukin 1, delta | Interleukin 36 Receptor Antagonist | interleukin-1 family member 5 | Interleukin-1 receptor antagonist homolog 1 | Interleukin-1-like protein 1 | Interleukin-36 Receptor Antagonist | Interleu | ||
| CAS number | unknown | molecular formula | |
| molecular weight | - | Exact mass | 无载体 |
| PSA | - | logp | - |
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