Interleukin-4, Active, Recombinant, Human, aa25-153 (IL4)

Size

£351.00

SKU:: 586987
Molecular Weight:: 14.97
Purity:: ≥95% (SDS-PAGE) Endotoxin: ≤1EU/ug (LAL)
Storage Conditions:: -20°C
Supplier:: United States Biological
Format:: Supplied as a lyophilized powder from 20mM PBS, pH 6.0. Reconstitute with sterile ddH2O, to a concentration of 0.1-1mg/ml.
Extra Details:: Participates in at least several B-cell activation processes as well as of other cell types. Recombinant protein corresponding to aa25-153 from human Interleukin 4, expressed in Mammalian cells. Molecular Weight: ~14.97kD Biological Activity: The ED50 as determined in a cell proliferation assay using TF?1 human erythroleukemic cells is less than 0.2ng/ml. Amino Acid Sequence: HKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRCLGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS Storage and Stability: Lyophilized and reconstituted products are stable for 12 months after receipt at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.