Radical S -Adenosyl- l -Methionine Oxygenase DarE Forms Ether Bond via a Partially Delocalized Tryptophan C β Radical - Bach X. Nguyen; Melissa M. Bollmeyer; Hai Nguyen; Sergey Milikisiyants; Alex I. Smirnov; R. David Britt; Kenichi Yokoyama (Journal of the American Chemical Society, 2026)