![](https://secure.gravatar.com/avatar/22641c2ff3b1350b42188ebe8bfccb22.jpg?s=120&d=mm&r=g)
13 May
2010
13 May
'10
11:09 p.m.
Hi, I am trying to calculate the free energy of association for structure of a protein complexes based on the salt bridges, H-bonds and van der waals interaction? Does any one know how to do it? Thanks!