|Synonyms||EDF, BCDFII, TRF|
|Description||Interleukin-5 (IL-5), produced by mast cells, T cells and eosinophils, is responsible for the activities attributed to eosinophil differentiating factor, B cell growth factor II and T cell-replacing factor (TRF). It can increase production and mobilization of eosinophils and CD34+ progenitors from the bone marrow. IL-5 plays an important role in inducing cell-mediated immunity against parasitic infections and certain tumors. IL-5 also promotes differentiation of basophils and primes them for histamine and leukotriene release.
Recombinant Murine IL-5 is homodimeric protein with molecular weight ranging from 25 to 40 kDa due to glycosylation.
|Specific Activity||ED50 < 0.5 ng/ml, measured in a cell proliferation assay using TF-1 cells, corresponding to a specific activity of > 2×106 units/mg.|
MEIPMSTVVK ETLTQLSAHR ALLTSNETMR LPVPTHKNHQ
LCIGEIFQGL DILKNQTVRG GTVEMLFQNL SLIKKYIDRQ
KEKCGEERRR TRQFLDYLQE FLGVMSTEWA MEG
|Measured Molecular Weight||25-40 kDa, observed by non-reducing SDS-PAGE.|
|Purity||> 95% as analyzed by SDS-PAGE and HPLC.|
|Formulation||Lyophilized after extensive dialysis against PBS.|
|Reconstitution||Reconstituted in ddH2O or PBS at 100 μg/ml.|
|Endotoxin Level||< 0.2 EU/μg, determined by LAL method.|
|Storage||Lyophilized recombinant Murine Interlerkin 5 (IL-5) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, rmIL-5 should be stable up to 1 week at 4°C or up to 2 months at -20°C.|
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