[Chimera-users] Residue Numbers vs. Residue Codes

[Eric Pettersen]

Hi Korbin,
	The format of the information is controlled by your preferences settings (specifically, the "atom spec display style" preference in the "Labels" category).  Therefore, I surmise that when you run through xterm you are either doing this on a different machine or using a different account than when you run it in IDLE (and therefore would have different [probably default] preferences).
	To sidestep this issue, you can use the underlying function that str() on a Residue calls to explicitly specify the formatting.  The function is named chimeraLabel and if given the keyword argument style="simple" it will use the format that includes the residue name.  So the first lines of your loop would become:

from chimera.misc import chimeraLabel
for p in range(0,len(res_list)):
    x= chimeraLabel(res_list[p], style="simple")

BTW, it probably simpler and clearer to iterate through the residues in the list, rather than through the indexes into the list.  So I would change the above to:

from chimera.misc import chimeraLabel
for r in res_list:
	x = chimeraLabel(r, style="simple")

--Eric

                        Eric Pettersen
                        UCSF Computer Graphics Lab
                        http://www.cgl.ucsf.edu

On Apr 21, 2015, at 1:46 PM, Korbin West <khwest16 at wabash.edu> wrote:

> Hi all,
> 
> I'm trying to determine uncommon ligands in pdb files using a python code, but have run into an odd dilemma.
> 
> In my code, I open a pdb in Chimera, select the ligand, and write out the residue list.  However, the formatting of this list changes depending on how I run the program.
> 
> If I run the program through xterm, it will print out only residue numbers. If I run the program though Chimera's Idle, however, I will get the residue codes and the residue numbers. 
> 
> For example, I ran this with 3VKG, you can see the results in the attached files, where I show a sample code of what I'm using, the xterm results and the Chimera results.
> 
> I want to do this for a large number of pdbs, so I'd like to do this --nogui through xterm, but I need the residue codes. Has anyone else ran into this problem or know of a work-around? Thanks in advance.
> 
> Best,
> 
> Korbin West
> Wabash College
> <residue_testing.py><testing_file_chimera.txt><testing_file_xterm.txt>_______________________________________________
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