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. Author manuscript; available in PMC: 2011 Jul 8.
Published in final edited form as: J Phys Chem B. 2010 Jul 8;114(26):8817–8825. doi: 10.1021/jp104258d

Figure 3.

Figure 3

Free energy profile for (a) the acylation reaction stage, (b) the deacylation reaction stage determined by B3LYP(6-31G*) QM/MM molecular dynamics simulations and umbrella sampling.