2F2H:
reference: Expanding the thioglycoligase strategy to the synthesis of alpha-linked thioglycosides allows structural investigation of the parent enzyme/substrate complex., Kim YW, Lovering AL, Chen H, Kantner T, McIntosh LP, Strynadka NC, Withers SG, J Am Chem Soc. 2006 Feb 22;128(7):2202-3. PMID: 16478160

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