Skip to main content
. 2018 Sep 28;10(10):397. doi: 10.3390/toxins10100397

Figure 5.

Figure 5

Potentials of mean force (Gibbs free-energy) as a function of distance from center of mass of the carboxylate group to the Zn2+ ion. The two different free energy minima for betulinic acid are marked as A and B.