Home  >  Products  >  Interleukin 17, Recombinant, Human (IL-17, CTLA8, IL-17A, Interleukin-17A precursor, Cytotoxic T-lymphocyte-associated antigen 8)

Interleukin 17, Recombinant, Human (IL-17, CTLA8, IL-17A, Interleukin-17A precursor, Cytotoxic T-lymphocyte-associated antigen 8)

Cat no: I8439-02


Supplier: United States Biological
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Recombinant Human IL-17A produced in E. coli is a homodimeric, non-glycosylated polypeptide chain containing a total of 264 amino acids and having a molecular mass of 30,250D. Interleukin-17 (IL-17, or IL-17A) is the founding member of a group of cytokines called the IL-17 family. IL-17A, was originally identified as a transcript from a rodent T-cell hybridoma by Rouvier et al. in 1993. Known as CTLA8 in rodents, IL-17 shows high homology to viral IL-17 encoded by an open reading frame of the T lymphotropic rhadinovirus Herpes virus saimiri.[1] To elicit its functions, IL-17 binds to a type I cell surface receptor called IL-17R of which there are at least three variants IL17RA, IL17RB, and IL17RC.[2] In addition to IL-17A, members of the IL-17 family include IL-17B, IL-17C, IL-17D, IL-17E (also called IL-25), and IL-17F. All members of the IL-17 family have a similar protein structure, with four highly conserved cysteine residues critical to their 3-dimensional shape yet they have no sequence similarity to any other known cytokines. Phylogenetic analysis reveals that among IL-17 family members, the IL-17F isoforms 1 and 2 (ML-1) have the highest homology to IL-17A (sharing 55 and 40% amino acid identity to IL-17A respectively), followed by IL-17B (29%), IL-17D (25%), IL-17C (23%), and IL-17E being most distantly related to IL-17A (17%). These cytokines are all well conserved in mammals, with as much as 62
Catalogue number: I8439-02
Size: 25ug
Form: Sterile-filtered, white lyophilized powder. Lyophilized from a concentrated (1mg/ml) solution. No preservative added. No stabilizing proteins added.
Purity: (same/more than) 98% as determined by RP-HPLC and SDS-PAGE Silver Stained gel.
References: 1. Rouvier E, Luciani MF, Matt

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