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Recombinant Human IL15 protein

Cat.No. : IL15-24H
Product Overview : Recombinant Human IL15 protein was expressed in Escherichia coli.
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Description : Human Interleukin-15 (IL-15) is expressed by the IL15 gene located on the chromosome 4. It shares approximately 97 % and 73 % sequence identity with simian and murine IL-15, respectively. Both human and simian IL-15 are active on murine cells. IL-15 is secreted by mononuclear phagocytes (and some other cells), especially macrophages following infection by virus. It possesses a variety of biological functions, including stimulating and maintaining of cellular immune responses, especially regulating T and natural killer (NK) cell activation and proliferation. In additionally, it shares many biological properties with IL-2, including T, B and NK cell-stimulatory activities. IL-15 signals through a complex composed of IL-2/IL-15 receptor beta chain. Although IL-15 lacks sequence homology with IL-2, it has recently been shown that both the beta and gamma chains of the IL-2 receptor are utilized for IL-15 binding and signaling. In addition, an IL-15 specific binding protein has also been cloned from a mouse T cell clone.
Source : E.coli
Species : Human
Form : Lyophilized from a 0.2μm filtered concentrated solution in PBS, pH 7.4.
Bio-activity : Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine CTLL-2 cells is less than 0.5 ng/ml, corresponding to a specific activity of > 2.0 × 10⁶ IU/mg.
Molecular Mass : Approximately 12.9 kDa, a single non-glycosylated polypeptide chain containing 114 amino acids.
Protein length : 114
AA Sequence : NWVNVISDLKKIEDLIQSMHIDATL YTESDVHPSCKVTAMKCFLLELQVI SLESGDASIHDTVENLIILANNSLS SNGNVTESGCKECEELEEKNIKEFL QSFVHIVQMFINTS
Endotoxin : Less than 1 EU/µg of rHuIL-15 as determined by LAL method.
Purity : >97% by SDS-PAGE and HPLC analysis.
Storage : Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 centigrade as supplied. 1 month, 2 to 8 centigrade under sterile conditions after reconstitution. 3 months, -20 to -70 centigrade under sterile conditions after reconstitution.
Reconstitution : We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤-20 centigrade. Further dilutions should be made in appropriate buffered solutions.
Gene Name : IL15
Official Symbol : IL15
Synonyms : IL15; interleukin 15; interleukin-15; IL 15; MGC9721; IL-15;
Gene ID : 3600
mRNA Refseq : NM_000585
Protein Refseq : NP_000576
MIM : 600554
UniProt ID : P40933

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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Q&As (10)

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What techniques differentiate IL15 and IL2 receptor binding kinetics? 10/22/2022

Techniques discern IL15 and IL2 receptor binding kinetics.

What experimental methods study IL15's involvement in autoimmune diseases? 06/23/2022

Methods explore IL15's role in autoimmune disease mechanisms.

What are the applications of IL15 knockout models in deciphering its functions? 04/26/2022

IL15 knockout models provide insights into its diverse functions.

How do you analyze IL15's impact on memory T cell differentiation? 09/19/2021

IL15's influence on memory T cell differentiation investigated.

How does immunofluorescence microscopy visualize IL15 localization in cells? 07/26/2021

Immunofluorescence microscopy visualizes IL15 subcellular localization.

What approaches validate IL15's role in inflammatory responses? 02/04/2021

Approaches validate IL15's involvement in inflammatory responses.

Could you explain the role of IL15 in NK cell cytotoxicity assays? 10/26/2019

IL15's role in NK cell cytotoxicity analyzed using assays.

Can you detail the use of ELISA in quantifying IL15 secretion? 02/03/2018

ELISA measures IL15 secretion accurately.

How is IL15's effect on regulatory T cells quantified using qPCR? 06/08/2017

qPCR quantifies IL15's impact on regulatory T cells.

How does flow cytometry assess IL15-induced T-cell proliferation? 05/26/2017

Flow cytometry quantifies IL15-driven T-cell proliferation.

Customer Reviews (3)

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Reviews
04/19/2018

    Mapping protein- interactions in DNA transcription for gene regulation.

    02/20/2018

      Suitable for cytotoxicity assays.

      10/22/2017

        Effective in NK cell activation.

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