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A) Galactoside recognition by the bacterial lectin LecA (pdb: 3ZYF[15]); B) Electrophilic epoxide derivatives 2 and 3 for the targeting of Cys62. The distances from Cys62‐S to C6 and O6 of 1 are between 4.1 and 4.3 Å. (sc=side chain, bb=backbone).
