Human IL-36Ra/IL-1F5 Antibody Summary
Met1-Asp155
Accession # Q9UBH0
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: IL-36Ra/IL-1F5
Human interleukin 1 family member #5 [IL-1F5; also named FIL-1δ (delta), IL-1HY1, IL-1H3, and IL-1L1] is a member of the IL-1 family of proteins (1‑5). IL-1 family members include IL-1 beta, IL-1 alpha, IL-1ra, IL-18, and IL-1F5 - IL-1F10 (6). 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 (6). The human IL-1F5 gene is in closest proximity to the gene for IL-1ra and is likely a relatively recent duplication of the IL-1ra gene (2, 3). 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) (2‑5). Nevertheless, it appears to be secreted as a 17 kDa monomer (5). There is an alternate start site that potentially gives rise to an alternate splice form (5). 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-1F5 is 50% aa identical to IL-1ra, and 32%, 31%, 35%, 37%, 32%, and 42% aa identical to IL‑1 beta, IL-1F6, F7, F8, F9, and F10, respectively. Cells reported to express IL-1F5 include monocytes, B cells, dendritic cells/Langerhans cells, keratinocytes, and gastric fundus Parietal and Chief cells (1, 7). The receptor for IL-1F5 has not been positively identified. Indirect evidence suggests it is IL-1 Rrp2 and/or IL‑1 RAcP (8). In either case, activity association with receptor binding is also unclear. It was initially reported to be an antagonist of IL-1F9 activity (4, 6). This would be consistent with its hypothesized relationship to IL-1ra. Studies, however, find IL-1F5 antagonist activity difficult to demonstrate (8).
- Smith, D.E. et al. (2000) J. Biol. Chem. 275:1169.
- Kumar, S. et al. (2000) J. Biol. Chem. 275:10308.
- Mulero, J.J. et al. (1999) Biochem. Biophys. Res. Commun. 263:702.
- Nicklin, M.J.H. et al. (2002) Genomics. 79:718.
- Barton, J.L. et al. (2000) Eur. J. Immunol. 30:3299.
- Dunn, E. et al. (2001) Trends Immunol. 22:533.
- Debets, R. et al. (2001) J. Immunol. 167:1440.
- Towne, J.E. et al. (2004) J. Biol. Chem. 279:13677.
Product Datasheets
Citation for Human IL-36Ra/IL-1F5 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
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IL-1F5, -F6, -F8, and -F9: A Novel IL-1 Family Signaling System That Is Active in Psoriasis and Promotes Keratinocyte Antimicrobial Peptide Expression.
Authors: Johnston A, Xing X, Guzman AM, Riblett M, Loyd CM, Ward NL, Wohn C, Prens EP, Wang F, Maier LE, Kang S, Voorhees JJ, Elder JT, Gudjonsson JE
J. Immunol., 2011-01-17;186(4):2613-22.
Species: Human
Sample Types: Whole Tissue
Applications: IHC-Fr
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