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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Annu Rev Biochem. 2009;78:65–94. doi: 10.1146/annurev.biochem.78.091707.100215

Figure 2.

Figure 2

A. Biosynthetic pathway for AEP. B. Originally proposed mechanism for PEP mutase involving nucleophilic catalysis. C. Most recent proposed mechanism, involving a dissociative process with a metaphosphate intermediate.