Expression, purification, and activity of recombinant MHV-A59 3CLpro.

Abstract

The 3C-like proteinase (3CLpro) of MHV-A59 is predicted to mediate the majority of proteolytic processing events within the gene 1 polyprotein. We have overexpressed 3CLpro in E. coli as a fusion protein with maltose binding protein (MBP). The MBP-3CLpro fusion protein was purified from contaminating E. coli proteins by amylose column chromatography, and… (More)

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