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Representation of the configurations of the secondary structural elements β11, α6, and β12 in (A) wild-type SbCAD2 and (B and C) the bmr6-27 variant of SbCAD2. B and C represent two possible configurations of the corresponding secondary structure. In B, significant repositioning of the α6-helix occurred. In C, a significant reduction of the secondary structure in all three structural elements occurred.
