IL-1a is a potent immuno-modulator that mediates a wide range of immune and inflammatory responses. Human IL-1a is an 18.0kD protein containing 159aa residues.
Source:
Recombinant corresponding to human IL-1a expressed in E.coli.
Molecular weight:
~18kD
Biological Activity:
The ED50 as determined by the dose-dependent stimulation of murine D10S cells is ~0.001ng/ml, corresponding to a specific activity of ~1x10e9 units/mg.
Endotoxins:
~0.1ng/ug
Storage and Stability:
Lyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 6 months at -20 degrees 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.