"IL15RA" Related Products


Recombinant Human Interleukin 15 Receptor, Alpha, Fc-His

Cat. No.: IL15RA-1653H
Product Overview: Recombinant Human IL15RA was expressed in Sf 21 cells using a baculovirus expression system. The DNA sequence encoding the extracellular domain of human IL-15 Rα ΔE3, which lacks exon 3, was fused to the 6X his tagged Fc of human IgG1.
Description: Interleukin 15 receptor, alpha subunit is a subunit of the interleukin 15 receptor. IL15RA is a cytokine receptor that specifically binds IL15 with high affinity. The receptors of IL15 and IL2 share two subunits, the IL2R beta and IL2R gamma chains. This forms the basis of many overlapping biological activities of IL15 and IL2. IL15RA is structurally related to IL2R alpha, but is capable of binding IL15 with high affinity independent of other subunits, which suggests the distinct roles between IL15 and IL2. This receptor is reported to enhance cell proliferation and expression of apoptosis inhibitor BCL2L1/BCL2-XL and BCL2.
Molecular Weight: The predicted molecular weight of Recombinant Human IL-15 Rα/Fc is Mr 42.6 kDa. However, the actual molecular weight as observed by migration on SDS Page is Mr 60-70 kDa.
Source: Sf 21 Insect Cells.
State Of Matter: Lyophilized.
Purity: >95% by SDS Page and analyzed by silver stain.
Formulation: This recombinant protein was 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 with no calcium, magnesium, or preservatives.
Endotoxin: <1.0 EU/µg as determined by the LAL method.
Biological Activity: The biological activity of Human IL-15 Rα was determined by its ability to block human IL-15 induced CTLL-2 proliferation. The expected ED50 for this effect is typically 0.005 - 0.015 μg/ml.
Storage And Stability: This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution, this protein may be stored at 2°C to 8°C℃ for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.
Gene Name: IL15RA interleukin 15 receptor, alpha [ Homo sapiens ]
Synonyms: IL15RA; interleukin 15 receptor, alpha; MGC104179; IL-15R-alpha; IL-15RA; OTTHUMP00000019021; OTTHUMP00000019022; Interleukin-15 receptor subunit alpha; Soluble interleukin-15 receptor subunit alpha; sIL-15R-alpha; sIL-15RA
Gene ID: 3601
mRNA Refseq: NM_002189
Protein Refseq: NP_002180
MIM: 601070
UniProt ID: Q13261
Chromosome Location: 10p15-p14
Pathway: Cytokine-cytokine receptor interaction; Jak-STAT signaling pathway
Function: cytokine receptor activity; protein binding; receptor activity

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