[Chimera-users] Regarding saving a file

Elaine Meng meng at cgl.ucsf.edu
Sun May 10 10:05:07 PDT 2020

Hi Yash Bahl,
Is the question how to get both models in one PDB file?  If you use Chimera menu: File... Save PDB, then in the dialog you can choose more than oen model to save.

I don't use Pymol or ligplot, so I don't know for sure, but I'm guessing they might not use this kind of PDB file with more than one model in it. Instead you may need to combine ligand and receptor into one model before you save to PDB.

To combine the ligand and the protein into one model, you can use the Model Panel (open from Favorites menu) "copy/combine" function.  You have to choose the two models (the ligand and the protein) on the left side of the Model Panel and then click "copy/combine" button on the right side of the Model Panel.

Or, instead of Model Panel, you could use the "combine" command.

Then save the new combined model to a PDB file.

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

> On May 10, 2020, at 3:59 AM, Yash Bahl <yashbahl1999 at gmail.com> wrote:
> Hi, 
> I did a docking experiment from autodock and downloaded the file in chimerax format, when I open it works great and I select the model with highest delta G and visaulise it, but when I save the model as PDB, and open it in pymol only ligand is visible when I open the protein file in the same, although the ligand sits perfectly. I am not able to get a PDB file of the docked structure for ligplot analysis. 
> Any help would be appreciated.
> Take care
> Sincerely,
>  Yash Bahl 

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