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. Author manuscript; available in PMC: 2014 Jul 22.
Published in final edited form as: Org Biomol Chem. 2013 May 14;11(18):2979–2987. doi: 10.1039/c3ob27464k

Fig. 1.

Fig. 1

Proposed mechanism of imidazole catalysis in the acyl substituted reaction pathway using model fragments of the larger peptide.