[Chimera-users] Coulombic ESP on multiple models

Elaine Meng meng at cgl.ucsf.edu
Fri May 13 12:57:38 PDT 2016

Hi Dan,
I wasn’t able to reproduce this problem.  I just tested in Chimera 1.10.2 on 3 related proteins, with commands:

open 2mnr
open 1muc
open 4enl
delete :.b
mm #0 #1
mm #0 #2

… then invoking Coulombic Surface Coloring, just clicking Apply because all three surfaces were already chosen in the dialog. Image of the result attached (after applying publication preset 1).   

I can’t think of any reason your system would behave differently, and all I can say is to make sure all the surfaces are chosen in the dialog.  However, if that still doesn’t work you can always try submitting a bug report (menu: Help… Report a Bug) and attach the session so we could try to reproduce it.

Elaine C. Meng, Ph.D.                       
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On May 13, 2016, at 11:10 AM, zona cat <azrucu at yahoo.com> wrote:

> Good afternoon,
> My name is Daniel Heller, and I am working with Helen Berman at Rutgers University on a PDB project.  We are trying to analyze multiple DNA binding proteins simultaneously (via matchmaker) and looking to visualize the surface electrostatic potential of each structure as a tiled picture. We are deleting the nucleotide chains for all proteins when complexed with DNA.  However, I am only able to get the surface electrostatic coloring for one structure (the reference structure), subsequent structures will not apply the columbic coloring after i hit apply, they just maintain the monotone default surface structure .  Could you please help me with this issue.
> Thank you very much,
> Dan

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