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. 2016 Dec 6;7:1817. doi: 10.3389/fpls.2016.01817

Figure 5.

Figure 5

Effect of the sulfhydryl reagent MMTS on AtTPI catalytic activity. (A,B) Effect of the addition of increasing concentrations of MMTS on the activity of wild-type and mutant AtTPIs. (A) Illustrates the effect on cTPI activity, and (B) the effect on pdTPI activity. The concentration of MMTS in cTPI varies from 0 to 0.25 μM, whereas the MMTS concentration used for pdTPI is from 0 to 50 μM. The results are expressed as a percentage of the activity with respect to the untreated protein sample. Protein concentrations are indicated.