Greater than 98% by SDS-PAGE gel and HPLC analyses.
Biological Activity:
Determined by the dose-dependent co-stimulation (with human IL-4) of MC/9 cells. The expected ED50 is ≤ 2.0 ng/ml, corresponding to a specific activity of ≥ 5 x 105 units/mg.
Cross Reactivity:
Human, Human + Virus
Country of Origin:
USA
Research Use Only. Not for use in diagnostic or therapeutic procedures.