6M81:
reference: Structural and Functional Characterization of Sulfonium Carbon-Oxygen Hydrogen Bonding in the Deoxyamino Sugar Methyltransferase TylM1., Fick RJ, Horowitz S, McDole BG, Clay MC, Mehl RA, Al-Hashimi HM, Scheiner S, Trievel RC, Biochemistry. 2019 Feb 27. doi: 10.1021/acs.biochem.8b01141. PMID: 30810306

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