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. Author manuscript; available in PMC: 2008 Nov 21.
Published in final edited form as: J Am Chem Soc. 2007 Oct 31;129(46):14336–14347. doi: 10.1021/ja074650f

Scheme 1.

Scheme 1

(a) Attachment of MGE to the MccE492m C-terminal decapeptide (C10) by MceIJ through the C4′ hydroxyl and subsequent migration to the C6′ position, (b) Formation of the six-membered intermediate between the C4′ and C6′ positions.