Recombinant human IL-7 is ~17.4kD protein comprised of 153aa corresponing to the ful-length mature sequence. IL-7 is a potent lymphoid cell growth factor acting on Pre-B, Pro-B and early T cells.
Source:Recombinant protein corresponding to human Interleukin-7 expressed in E. coli.
Molecular Weight:~17.4kD (153aa)
Biological Activity:In a dose dependent cell proliferation assay using 2E8 cells this product shows a specific activity of >2x10e6 units/mg.
Applications:Suitable for use in ELISA, Western Blot, Functional Assays. Other applications not tested.
Recommended Dilution:ELISA: 0.2-0.4ng/wellWestern Blot: 1.5-3ng/laneFunctional Assays: 0.1-10ng/mlOptimal dilutions to be determined by the researcher.
Endotoxin Level: <0.1ng/ug
Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months 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.
仕様
Size:10ug
Source Antigen:Recombinant, E. coli
Grade:Highly Purified
Purity:~98% (SDS-PAGE, HPLC)
Form:Supplied as a lyophilized powder in 10mM acetic acid. No preservative added. Reconstitute with 100ul sterile ddH2O. For extended storage, the addition of 0.1% BSA is recommended.