Supports IL-2 independent and IL-4 independent growth of helper T-cells. Biological Activity: Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human MO7e cells is less than 0.2ng/ml, corresponding to a specific activity of > 5.0x10e6 IU/mg. Sequence: QGCPTLAGIL DINFLINKMQ EDPASKCHCS ANVTSCLCLG IPSDNCTRPC FSERLSQMTN TTMQTRYPLI FSRVKKSVEV LKNNKCPYFS CEQPCNQTTA GNALTFLKSL LEIFQKEKMR GMRGKI Molecular Weight: 14.1kD PubMed ID: 2508790, 2129501, 1971295, 1901233, 15372022, 15489334 Gene Name: IL9 Swiss Prot: P15248 Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20C. 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.
