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Figure 8.
Fig. 8. Side-chain conformation of Ser30 in the structures of
the C30S mutants of yGrx1^22 (gray) and yGrx2 (cyan) in their
glutathionylated forms. It is clear that the distances from the
Cys27 sulfur atoms (yellow) to the Ser30 oxygen atom (red) are
very different between yGrx1 and yGrx2, indicating that the
conformation of a Ser30 residue in yGrx2 is less favorable to
attack the mixed disulfide.
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