Iron catalysts can modify amino acids, peptides to create new drug candidates

For medicinal chemists, making tweaks to peptide structures is key to developing new drug candidates. Now, researchers have demonstrated that two iron-containing small-molecule catalysts can help turn certain types of amino acids -- the building blocks of peptides and proteins -- into an array of potential new forms, even when part of a larger peptide, while preserving a crucial aspect of their chemistry: chirality, or "handedness."

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