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Category Proteins
Publication 122
Application SDS-PAGE
Purification >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Supplier R & D
MW 15 kDa
Catalog Number 204-IL
Alternative Names BCDF; BSF1
Size 10 µg;50 µg;1 mg;10 µg;50 µg
Source E. coli-derived, His25-Ser153, with an N-terminal Met
Cellular Location Interleukin 4
Endotoxin < 1.0 EU per 1 μg of the protein by the LAL method.
Protein Activity Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323.The ED50 for this effect is typically 0.05-0.2 ng/mL.

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