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Code | CSB-AP001621HU |
Size |
US$4256Purchase it in Cusabio online store (only available for customers from the US) |
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Description |
The Recombinant Human Interleukin-15/IL15 was generated by the expression of a DNA sequence corresponding to 49-162aa of human IL15 in E.coli. The full-length of mature protein reached up to 97% in purity measured by SDS-PAGE and HPLC analyses. It was also verified to be fully biologically active through its effect on a cell proliferation assay using murine CTLL-2 cells (ED50<0.5 ng/ml, specific activity >2.0x106 IU/mg). The endotoxin of this IL10 is less than 1.0 EU/μg as determined by the LAL method. Proteins in-stock are offered now. The IL15 proteins are tag-free, but CUSABIO offers custom service for you to meet the need of specific tag(s). This recombinant IL15 protein may be used to produce anti-IL15 antibodies or in the immunology studies. IL15 is a pro-inflammatory cytokine that plays a central role in the development, survival, and activation of NK, T-, and B-cells. IL-15 binding to the IL-2/IL-15Rβ/γc heterodimeric receptor induces the activation of JAK-STAT, PI3K-Akt, and MAPK signaling pathway. The former pathway stimulates transcriptional activation such as bcl-2 and proto-oncogenes c-myc, c-fos, and c-jun, and the latter two pathways promote cell survival and activation. The anti-tumor effect of IL15 on the immune system has been reported, but IL15 also initiates and promotes several malignancies. |
Purity | >97% as determined by SDS-PAGE and HPLC. |
Endotoxin | Less than 1.0 EU/μg as determined by LAL method. |
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 >2.0x106 IU/mg. |
Target Names | IL15 |
Uniprot No. | P40933 |
Research Area | Immunology |
Alternative Names | IL 15; IL-15; IL15; IL15_HUMAN; Interleukin 15; Interleukin-15; Interleukin15; MGC9721 |
Species | Homo sapiens (Human) |
Source | E.coli |
Expression Region | 49-162aa |
Complete Sequence | NWVNVISDLK KIEDLIQSMH IDATLYTESD VHPSCKVTAM KCFLLELQVI SLESGDASIH DTVENLIILA NNSLSSNGNV TESGCKECEE LEEKNIKEFL QSFVHIVQMF INTS |
Mol. Weight | 12.9 kDa |
Protein Length | Full Length of Mature Protein |
Tag Info |
Tag-Free |
Form | Lyophilized powder |
Buffer | Lyophilized from a 0.2 µm filtered PBS, pH 7.4 |
Reconstitution | We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference. |
Troubleshooting and FAQs |
Protein FAQs |
Storage Condition | Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles. |
Shelf Life | The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C. |
Lead Time | Basically, we can dispatch the products out in 5-10 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time. |
Notes | Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week. |
Datasheet & COA | Please contact us to get it. |
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Function | Cytokine that stimulates the proliferation of T-lymphocytes. Stimulation by IL-15 requires interaction of IL-15 with components of IL-2R, including IL-2R beta and probably IL-2R gamma but not IL-2R alpha. |
Gene References into Functions |
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Subcellular Location | Isoform IL15-S48AA: Secreted, SUBCELLULAR LOCATION: Isoform IL15-S21AA: Cytoplasm, Nucleus |
Protein Families | IL-15/IL-21 family |
Tissue Specificity | Most abundant in placenta and skeletal muscle. It is also detected in the heart, lung, liver and kidney. IL15-S21AA is preferentially expressed in tissues such as testis and thymus. |
Database Links |
HGNC: 5977 OMIM: 600554 KEGG: hsa:3600 STRING: 9606.ENSP00000296545 UniGene: Hs.168132 |
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