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. 2018 May 3;9:598. doi: 10.3389/fpls.2018.00598

Figure 5.

Figure 5

Recombinant ShINH1 expression in E. coli. (A) Schematic of construct encoding a His6-MBP: ShINH1 fusion protein for production of recombinant ShINH1 in E. coli. SDS-PAGE gels showing expression and purification of recombinant ShINH1: (B) Production and NiNTA purification of recombinant ShINH1 and (C) TEV cleavage and purification of recombinant ShINH1 through gel filtration column chromatography. Lane1: Pre induction sample; Lane2: IPTG induction sample; Lane3: Insoluble fraction; Lane4: Soluble fraction; Lane5: flow through; Lane6: 10 mM imidazole wash; Lane7: 30 mM Imidazole wash; Lane8: 300 mM imidazole wash; Lane9: Molecular size marker (Novex Sharp pre-stained protein ladder; Thermofisher Scientific, USA); Lane10: TEV protease treated sample; Lane12: Fraction containing cleaved His6-MBP and ShINH1; Lane13: Molecular size marker; Lanes14–24: Purified ShINH1 Samples.