[chimerax-users] smoothen coils

[Elaine Meng]

One really bad hack for now is to reassign all the coil as strand so that it gets smoothed and then show all strand as licorice (thin tube), but that is not a solution if the structure has “real” strands that you want to show with arrows.

open 2gbp
cartoon style helix modeh tube radius 1.5
setattr coil residue is_strand true
cartoon style ~helix xsection round width 1 thick 1 arrows f
open 2gbp 

(second copy is to compare smoothed and unsmoothed “coil” position)

Elaine

> On May 10, 2019, at 9:15 AM, Elaine Meng <meng at cgl.ucsf.edu> wrote:
> 
> Hi Gabor,
> Currently there is no option of “cartoon” to smooth the coils, so this would have to go on the request list.  There is a “smooth” option, but it applies only to peptide beta-strands:
> 
> <http://rbvi.ucsf.edu/chimerax/docs/user/commands/cartoon.html>
> 
> Sorry about that,
> Elaine
> -----
> Elaine C. Meng, Ph.D.                       
> UCSF Chimera(X) team
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
> 
> P.S. while it does not address your question, you may be interested that we added a preset with tube helices (Presets… Cylinders/Stubs)
> 
>> On May 10, 2019, at 8:23 AM, Gabor PAPAI <papai at igbmc.fr> wrote:
>> 
>> Dear developers,
>> I would like to show helices as tubes (this I know how to do) and coils between them with smooth trajectories, more schematic, as it is drawn in Chimera using Pipes and Planks (or even more).
>> I would appreciate your help!
>> Best regards,
>> Gabor 
> 
> 
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