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. 2018 Oct 5;18:62. doi: 10.1186/s12896-018-0473-7

Fig. 6.

Fig. 6

Combinatorial optimization analysis of Mxe GyrA intein cleavage activity in CeA–Mxe–ELK16 fusion. Different incubation times (a) and concentrations of DTT (40–80 mM) (b) were used to optimize cleavage activity. Different incubation temperatures (4 °C or 25 °C) were also tested (c). P, samples before cleavage with DTT; M, protein marker