[Chimera-users] change chain id

[Eric Pettersen]

There is kind of a "cheaty" way to do it if you are using the 1.2255  
snapshot by saving a session file and editing it.  You need to use an  
editor that can handle long lines, like TextEdit.app on a Mac or  
WordPad on Windows.  Search for the string 'chain' (including the  
quotes).  You'll see some text that looks something like:

	'chain': (29, 'A', {})

change the A to B so it looks like:

	'chain': (29, 'B', {})

save the edited session and open it in Chimera and the chain ID will  
have changed.

--Eric

On Aug 28, 2006, at 1:36 PM, Elaine Meng wrote:

> Hi Yunierkis,
> Sorry, there is no way to change the chain ID in Chimera.  You  
> would need to text-edit A to B in the PDB file before opening it.   
> (Or, if you're fetching the structure from the PDB, write it out in  
> PDB format, edit the file, and read it back in.)
>
> Depending on what you are trying to do, there may be some way of  
> doing it without changing chain ID.
> Best,
> Elaine
>
> On Aug 28, 2006, at 12:48 PM, Yunierkis Perez Castillo wrote:
>
>> Hi all,
>>
>> I need to change the chain ID for a protein, that is, change the  
>> chain A to chain B.
>> Can I do that with chimera?
>>
>> Thanks in advance
>> Yunierkis
>>
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>
> -----
> Elaine C. Meng, Ph.D.                          meng at cgl.ucsf.edu
> UCSF Computer Graphics Lab and Babbitt Lab
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
>                      http://www.cgl.ucsf.edu/home/meng/index.html
>
>
>
>
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