Abstract
Two forms of human interleukin–1 have been expressed in E. coli. Acid extraction of the cellular suspensions solubilizes rIL–1α and rIL–1β from inclusion bodies while precipitating most of the E. coli proteins. This leads to a facile purification scheme that provides sufficient quantities of highly active IL–1 to undertake biological characterization of these important immunoregulatory molecules.
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Kronheim, S., Cantrell, M., Deeley, M. et al. Purification and Characterization of Human Interleukin–1 Expressed in Escherichia coli. Nat Biotechnol 4, 1078–1082 (1986). https://doi.org/10.1038/nbt1286-1078
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DOI: https://doi.org/10.1038/nbt1286-1078