I believe that's an alternative conformation....try modeling as such and see what happens.
Jacob On Mon, May 21, 2012 at 3:57 PM, Uma Ratu <rosiso2...@gmail.com> wrote: > Dear All: > > Some of serine residues in my model have extra positive Fo-Fc density at > the edge of side chain. Some don't have. It is not like from phosphates. > > I am wondered what is the cause for these extra density. Could these > serines be post-translational modified? > > I have the images attached. P289ser-0512-1 does not have the extra green, > where P140ser-0512-1 has. > > Thank you for you advice and comment > > Uma > -- ******************************************* Jacob Pearson Keller Northwestern University Medical Scientist Training Program email: j-kell...@northwestern.edu *******************************************
