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. Author manuscript; available in PMC: 2012 Mar 15.
Published in final edited form as: Biochemistry. 2011 Feb 9;50(10):1582–1589. doi: 10.1021/bi1018545

Figure 8.

Figure 8

Enthalpy profiles for the hydride transfer, loop opening/closing, and pyruvate un/binding reaction steps without osmolytes, with 1 M TMAO, and with 1 M urea. The terms ‘OP’ and ‘CL’ refer to the loop open and closed geometries. Zero energy level is arbitrarily assigned to the lactate-side encounter complex (actually, this level must slightly differ for the three systems).