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. Author manuscript; available in PMC: 2011 Jun 2.
Published in final edited form as: J Am Chem Soc. 2010 Jun 2;132(21):7252–7253. doi: 10.1021/ja101446u

Figure 2.

Figure 2

Cartoon showing superimposed active site tetrapeptide loops for the observed (2VJN) (cyan) and the “open” (blue), “intermediate” (black) and “closed” (red) loop conformations calculated for the G260A FRC mutant, together with the associated positions of the active site residues Trp-48, Tyr-59 and Asp-169.