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

[Aleena Jose]

Thanks a lot!

On Tue, Jul 7, 2020, 11:28 PM Eric Pettersen <pett at cgl.ucsf.edu> wrote:

> Hi Aleena,
> If you have some structures open with blank IDs that you want to change to
> 'A', I believe the Python code is:
>
> from ChangeChainIDs import changeChains
> from chimera import openModels, Molecule
> changeChains(openModels.list(modelTypes=[Molecule]), [(' ', 'A')])
>
> --Eric
>
> Eric Pettersen
> UCSF Computer Graphics Lab
>
>
> 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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