[Chimera-users] center of molecule

Bala subramanian bala.biophysics at gmail.com
Fri Dec 18 14:36:57 PST 2009


Elaine,

Sorry for repeating the post. The previous post says that i can get the
centroid by typing the following commands.
I opened a pdb file (attached) in Chimera. I typed sel, reset, focus sel.
Then i got the centroid as *28,31,31*. I closed the session and opened the
molecule again and gave Actions --> Atombs/Bonds --> show to display all the
atoms. Then i typed the same commands sel --> reset ---> focus sel. the
calculated centroid was *31.3,30.9,30.8*. Why am i getting a slightly
different centroid in this case ?

Bala


On Fri, Dec 18, 2009 at 6:38 PM, Elaine Meng <meng at cgl.ucsf.edu> wrote:

> Hi Bala,
> You asked the same question earlier this year!  Here is the answer:
>
> <http://www.cgl.ucsf.edu/pipermail/chimera-users/2009-March/003648.html>
>
> Elaine
> -----
> Elaine C. Meng, Ph.D.                          meng at cgl.ucsf.edu
> UCSF Computer Graphics Lab and Babbitt Lab
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
>                     http://www.cgl.ucsf.edu/home/meng/index.html
>
>
>
> On Dec 18, 2009, at 8:40 AM, Bala subramanian wrote:
>
>  Friends,
>> Is is possible to find the central x,y,z coordinates of a pdb file in
>> chimera.
>> Bala
>>
>
>
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