Wonderful! Thanks, Tom! -Eric

On Thursday, December 5, 2024 at 05:55:33 PM EST, Tom Goddard <goddard@sonic.net> wrote:


Hi Eric,

  The coulombic comand does not produce a map of electrostatic potential by default, so the Surface Color that colors a surface using map values will not be of use.  Instead you can use the coulombic command "range" option, for example

coulombic sel range -5,5

This is explained in the coulombic command documentation with an example here


  Tom


On Dec 5, 2024, at 2:35 PM, Eric Martz via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

I want to have less white and more color on an electrostatic potential map. I suspect this is done by reducing the range, but I can't find how to do this. I start with

open 1bl8 fromDatabase pdb format mmcif                                                             
select protein                                                                                      
coulombic sel                                                                                       
ui tool show "Surface Color"                                                                        

Then I have this dialog, where I have changed -10 ... +10 to -5 ... +5

<Screenshot 2024-12-05 at 5.27.57 PM.png>

When I click the Color button, I get "No map chosen for coloring", but the "using map" menu has no options.

???

Also I would like to re-color the surfaces for all 4 chains, not one at a time, but the "Color surface" menu seems to have 4 separate chain surfaces, but no option for all 4 at once.

I will appreciate guidance!

Thanks, -Eric
<Screenshot 2024-12-05 at 5.27.57 PM.png>_______________________________________________
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