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. Author manuscript; available in PMC: 2022 Apr 14.
Published in final edited form as: Methods Enzymol. 2021 Jun 18;656:545–571. doi: 10.1016/bs.mie.2021.05.008

Figure 3.

Figure 3.

The plasmid pQE80-PI-proS described here. The POI (in this case, proinsulin) was inserted into the multiple cloning site of the vector pQE-80L using restriction enzyme cloning. Expression is controlled by the T5 promoter. The gene encoding the E. coli ProRS was amplified by colony PCR and inserted downstream of the POI by Gibson Assembly.