[Chimera-users] Assigning id to a chain with no id

[Aleena Jose]

Thanks for the tip!

On Tue, Jul 7, 2020, 9:09 PM Elaine Meng <meng at cgl.ucsf.edu> wrote:

> Hi Aleena,
> Seems like it would be easier just to write your own script to add a chain
> ID to the PDB files than to do it with a python script in Chimera.  All you
> have to do is replace the blank character at position 22 of ATOM and HETATM
> lines with A (or whatever you want the chain ID to be).
>
> <
> http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/tutorials/framepdbintro.html
> >
> <
> http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/tutorials/pdbintro.html#coords
> >
>
> I hope this helps,
> Elaine
> -----
> Elaine C. Meng, Ph.D.
> UCSF Chimera(X) team
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
>
>
> > On Jul 7, 2020, at 5:48 AM, Aleena Jose <
> aleena.jose at students.iiserpune.ac.in> wrote:
> >
> > Hi Elaine,
> >
> > Thanks a lot for your reply. The problem is that I have got hundreds of
> such pdbs with no id chains after random scanning mutagenesis. I wish I
> could solve it using a python script.
> >
> > Regards
> > Aleena.
> >
> > On Mon, Jul 6, 2020, 9:32 PM Elaine Meng <meng at cgl.ucsf.edu> wrote:
> > HI Aleena,
> > You can do it with the "Change Chain IDs" graphical interface, open from
> menu: Tools... Structure Editing... Change Chain IDs.  That dialog will
> list the chain with no ID separately (something like "principal chain") and
> you can click to choose it in that interface, then enter a new ID.
> >
> > <
> http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/editing/changechains.html
> >
> >
> > I hope this helps,
> > Elaine
> > -----
> > Elaine C. Meng, Ph.D.
> > UCSF Chimera(X) team
> > Department of Pharmaceutical Chemistry
> > University of California, San Francisco
> >
> > > On Jul 4, 2020, at 2:41 PM, Aleena Jose <
> aleena.jose at students.iiserpune.ac.in> wrote:
> > >
> > > Hi,
> > > I need help with chimera. In my pdb I have a chain with no id and I
> want to assign it a new id. I tried using 'changechain' command but I am
> getting error messages because I don't have any specific from-chain id. I
> don't know what exactly to give as from-chain id or is there any other
> command that could help me?
> > > Thanks,
> > > Aleena.
>
>
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