[Chimera-users] chimera help - calmodulin

Elaine Meng meng at cgl.ucsf.edu
Mon Dec 7 10:19:41 PST 2009

Hi Annabel,
Generally you would go to the Protein Databank (PDB) Web site:


and do some searching to figure out which structure(s) you want to  
view in Chimera.  There are lots of ways to search, even just entering  
the word "calmodulin," although I expect that will give you a huge  
number of results.  Each structure there has a 4-letter PDB ID code.   
You can either download PDB files from that site and then open them in  
Chimera, or just start Chimera, choose File... Fetch by ID, and enter  
the PDB ID code in the fetching dialog.

Often the PDB ID codes will also be mentioned in scientific  
publications that describe or analyze the molecule's structure.

I hope this helps,
Elaine C. Meng, Ph.D.
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Dec 5, 2009, at 3:00 AM, roach a.p.l. (aplr1g08) wrote:

> Hi,
> I am a student trying to do a project on the protein calmodulin. I  
> have just started using chimera and have gone though your tutorials  
> and understood everything as it is very clear but i don't know how i  
> would select the protein calmodulin and put it in the chimera  
> display to make my images.
> I realise this is probably a simple step but this is all new to me  
> and i would much appreciate your help.
> Thank you
> Annabel Roach

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