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. 2017 Dec 22;8:2175. doi: 10.3389/fpls.2017.02175

Figure 4.

Figure 4

Far-UV circular-dichroism (CD) spectroscopy of recombinant (A) CML15 and (B) CML16. Proteins were analyzed in 2 mM Tris-Cl (pH 7.5) in the presence of 1 mM EGTA, 1 mM CaCl2, or 1 mM MgCl2 as noted in figure panels. Far-UV CD spectra (180–260 nm) were collected at room temperature. Each spectrum is representative of 6 scans and is presented in units of molar ellipticity. CML15 and CML16 were analyzed at final concentrations of 45 μM and 30 μM, respectively.