[chimerax-users] Chimera question

Elaine Meng meng at cgl.ucsf.edu
Tue Jun 21 15:03:01 PDT 2022


Hi Daniel,
The "sym" command for building the multimer from monomer has both a "center" option and an "axis" option that you may need to use for helical symmetry.

I'm not sure which program you are using, since the subject line of the message says "Chimera" but you sent it to chimerax-users.

Here is the ChimeraX help for "sym":
<https://rbvi.ucsf.edu/chimerax/docs/user/commands/sym.html>

Here is the Chimera help for "sym" (very similar but not the same as in Chimera):
<https://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/sym.html>

If it is really a Chimera question, (for next time) you could send it to chimera-users at cgl.ucsf.edu instead.

Sym is just for building the multimer.  It won't change the coordinates to make them closer to the origin.

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


> On Jun 21, 2022, at 2:41 PM, Daniel VillanuevaAvalos via ChimeraX-users <chimerax-users at cgl.ucsf.edu> wrote:
> 
> Hello,
> I am trying to create a spirosome, and I am entering   sym #1 h,56.5,164.4,12 but the radius of the helix is wrong. How can I change it? What I am trying to do is move my obj closer to origin but I cannot find a way to do that. I can only move the pivot to center with cofr 0,0,0. 
> Thank you, 
> Daniel.




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