Hi Shabih, There is no ESP calculation tool or interface in ChimeraX, but you can open a pre-existing .phi file (from DelPhi academic or GRASP), .grd file (from UHBD), or .dx file (from APBS) e.g. to use it to color a molecular surface by map values. ChimeraX input map formats: <http://rbvi.ucsf.edu/chimerax/docs/user/commands/open.html#volume> Regards, Elaine

On Apr 17, 2018, at 11:47 AM, Shabih Shakeel <sshakeel@mrc-lmb.cam.ac.uk> wrote:

Hi Elaine,

Thanks a lot for the information. Is it possible to calculate electrostatic potential within ChimeraX or load Delhpi files?

Thanks.

Regards, Shabih

...

On 17 Apr 2018, at 16:22, Elaine Meng <meng@cgl.ucsf.edu> wrote:

Hi Shabih, Sorry, not yet. There is coloring by map value and by zone (to match nearby atoms or markers), but coloring by distance (radial, topographic height) is not yet implemented in ChimeraX. <http://rbvi.ucsf.edu/chimerax/docs/user/commands/color.html>

Regards, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Department of Pharmaceutical Chemistry University of California, San Francisco

...

On Apr 17, 2018, at 4:35 AM, Shabih Shakeel <sshakeel@mrc-lmb.cam.ac.uk> wrote:

Hi, In ChimeraX, is there an equivalent of surface colour by radius in tools/Volume viewer of Chimera? I would like to colour an EM density map of a virus from its centre to the outside of the capsid with direct colour range in ChimeraX. Thanks. Regards, Shabih

_______________________________________________ ChimeraX-users mailing list ChimeraX-users@cgl.ucsf.edu Manage subscription: http://www.rbvi.ucsf.edu/mailman/listinfo/chimerax-users