[Chimera-users] Changing chain ID for ligands

Ahmad Khalifa underoath006 at gmail.com
Mon Aug 20 11:55:47 PDT 2018

Thanks, but I have ligands under a certain chain that I want to change to
the other chain. In other words, I want to switch ligand chain ID to
another chain ID. How can I do that?

On Mon, Aug 20, 2018 at 2:07 PM, Elaine Meng <meng at cgl.ucsf.edu> wrote:

> Hi Ahmad,
> The Change Chain IDs tool (in menu under Tools… Structure Editing) or
> “changechains” command changes the chain ID of all kinds of atoms,
> including ligand and solvent.  For example, if you change the ID of chain A
> to chain F instead, the ligand and solvent atoms of chain A will become
> ligand and solvent atoms of chain F.
> <http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/editing/
> changechains.html>
> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/changechains.html>
> However, if you mean you want to change  ONLY the ligand chain ID without
> changing the ID of other atoms in the same chain (only change the ID of
> part of a chain), there is no tool do that in Chimera.  You could just
> text-edit the ligand atom lines in the PDB file using your favorite text
> editor.
> I hope this helps,
> Elaine
> -----
> Elaine C. Meng, Ph.D.
> UCSF Chimera(X) team
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
> > On Aug 17, 2018, at 6:50 PM, Ahmad Khalifa <underoath006 at gmail.com>
> wrote:
> >
> > Is there a way to do it in chimera?
> >
> > Regards.
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