The enzymatically regioselective catalyzed incorporation of cysteine sulfoxide into histidine generates physiologically important antioxidants such as ergothioneine and ovothiol. In this issue of Structure, Ireland et al. report the crystal structure of EgtB-IV, which provides insights into the convergent evolution of sulfoxide synthase.
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http://dx.doi.org/10.1016/j.str.2024.10.006 | DOI Listing |
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