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Stereoview comparison of Cys binding to wild-type, Y157F and C93A CDO. Wild-type Cys-persulfenate (PDB code 3ELN22) has green carbons/waters, C93A CDO (PDB code 4XF0) has orange carbons/waters and for simplicity the 0.1 occupancy chloride is not shown, and Y157F CDO (PDB code 4XF1) has tan carbons/waters and the lower (~0.3) occupancy water and alternate conformation of Cys93 are not shown.
