Re: [PyMOL] naming of chain id

2014-09-15 Thread Folmer Fredslund
Hi Yeping Sun,

Did you solve your problem?

According to http://www.wwpdb.org/procedure.html#toc_4
"
What is the maximum number of chain IDs in a file?

Up to 62 chains can be included in the PDB entry. Upper case letters and
numbers (0-9) should be used first for chain IDs. Lower case letters should
be used only after all upper letters and numbers have been used. Symbols
should never be used for chain IDs."

you can use numbers and also small letters in the PDB file format.


I don't know if PyMOL will let you do this, though.

Regards,

Folmer

2014-09-02 10:41 GMT+02:00 sunyeping :

> I have a protein which contains 32 chains. By using A-Z can only name 26
> chains. Can I use expression containing two character such as A1, AB, etc.
> to as chain id? Will this change the format of the pdb files?
>
> Yeping Sun
>
> Institute of Microbiology, Chinese Academy of Sciences
>
>
>
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[PyMOL] Improve scene command?

2014-09-15 Thread Mark A Saper

On the wiki page for scene, it states:

DEVELOPMENT TO DO

Add support for save/restore of a certain global and object-and-state specific 
settings, such as: state, surface_color, ribbon_color, stick_color, 
transparency, sphere_transparency, etc. This would probably best be done by 
defining a class of "scene" settings which are treated in this manner. The 
current workaround is to create separate objects which are enabled/disabled 
differentially.

This would be extremely useful, especially for making movies.  Could priority 
for this be increased?

Many thanks
Mark


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[PyMOL] Pymol residue number disappear?

2014-09-15 Thread Chen Zhao
Hi all,

I have a very weird problem: every time when I show sequence in pymol, the
residue number just disappears. The changes I made recently before I
spotted this problem are eMovie plug-in and freemol installation (in order
to save mpg movies). I am using pymol 1.6.0.0 on a Debian Wheezy machine.
Reinstall pymol does not help. Does anybody have some clues?

I really appreciate your help!

Sincerely,
Chen
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Re: [PyMOL] Access to pymol commands from the terminal

2014-09-15 Thread James Starlight
Hey,

I've occasionally deleted my profit script which do superimposition
automatically so I'll be very thankful if someone remind me profit input
script syntax

for my case
profit -h -f script.txt ref.pdb tar.pdb

should do actual superimposition where in script.txt;
ATOMS CA
ZONE 2-290:2-290
FIT
WRITE fitted.pdb

unfortunately this end with the error
   Starting script: 'new.profit'
   Unrecognised keyword: FIT
   Error==> Fitting has not yet been performed.
   Finished script: 'new.profit'

althought those commands made from the profit command line works perfect
ProFit>FIT
   Fitting structures...
   RMS: 7.134


Where I made error?

James


2014-09-12 9:13 GMT+02:00 James Starlight :

> Hi Jared,
>
> yes from pymol it's OK, here I've mentioned about ProFit :) but this also
> have been solved. ;)
>
> James
>
> 2014-09-11 19:43 GMT+02:00 Sampson, Jared :
>
>  Hi James -
>>
>>  What version of PyMOL are you using?  For me, using Open Source PyMOL
>> 1.7.2.0, a typical PDB file I tested ends up with more information in that
>> column, not less, after saving from PyMOL:
>>
>>  Before:
>> ATOM   1312  NH1 ARG A 198   0.544  14.093  19.655  1.00 34.61
>> N
>>
>> After:
>> ATOM   1312  NH1 ARG A 198   0.544  14.093  19.655  1.00 34.61
>> N1+
>>
>> Are you sure the column is there in your input file, and hasn’t been
>> removed before loading into PyMOL?
>>
>>  Cheers,
>> Jared
>>
>>   --
>> Jared Sampson
>> Xiangpeng Kong Lab
>> NYU Langone Medical Center
>> http://kong.med.nyu.edu/
>>
>>
>>
>>
>>
>>
>>  On Sep 11, 2014, at 5:36 AM, James Starlight 
>> wrote:
>>
>>  I guess I've passed superimpoition- it works great - with the one
>> exception- after fitting to ref.pdb the last colum (consisted of the atom
>> names like C, N, O etc) from the each fitted mobile.pdb has been removed. I
>> need to keep this column on the resulted pdb because I'll use this pdb as
>> the initial structure for the autodock docking (actually I do
>> superimposition because I have had all input docking parameters including
>> XYZ of the cavity for the ref structure). If the last column is missed I
>> have promblems with the pdb2pdbqt conversion of the mobile_fit.pdb using
>> babel. I'll thankful to everyone who have faced with the same problem and
>> could provide me with some suggestions.
>>
>>
>>  Thank for help,
>>
>>  James
>>
>> 2014-09-09 12:35 GMT+04:00 James Starlight :
>>
>>> Thanks Markus, I'll try to examine it!
>>>
>>> Jed,
>>>
>>>  the main problem with the profit is that I need to superimpose
>>> structures in loop which are not always has the same sequence length. Is it
>>> possible to superimpose each structure based on some common criterium found
>>> for each mobile and reference automatically?
>>>
>>>  Kind regards,
>>>
>>>  James
>>>
>>> 2014-09-08 20:32 GMT+04:00 Markus Heller :
>>>
  Shot in the dark, based on reading “ensemble of the structures” and
 “ProFit”:



 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2828896/



 CARON – Average RMSD of NMR structure ensemble



 Hope that helps!



 Markus



 *From:* James Starlight [mailto:jmsstarli...@gmail.com]
 *Sent:* Monday, September 08, 2014 6:52 AM
 *To:* pymol-users
 *Subject:* Re: [PyMOL] Access to pymol commands from the terminal



 Ok, ProFit has been passed :D

 Now I'm looking for some software which could do the same least-square
 fitting for the ensemble of the structures taken it as the separate pdbs
 from the work dir (I'm not sure if the mustang software could be useful for
 this task)=> because looping using ProFit might be not good for me because
 each time I need to provide new atom selection for the superimposition  for
 each model in the ProFit's script file.

 James



 2014-09-07 11:11 GMT+02:00 Maciek Dziubiński :

 Boo
 7 wrz 2014 09:26 "Jamesno Starligois ht" napisał
 napisał(a):


 >
 > Thomas,thanks for help- I'll try to test your script!
 >
 > Jed, many thanks too!
 >
 > if I understood correctly align.profit should contain thefollowing
 lines:
 >
 > # using ProFIT to align the model to 2hi4
 > open $PROFIT, "> align.profit" or die "Cannot open file
 align.profit\n";
 > print $PROFIT "ATOMS CA\n";
 > print $PROFIT "ZONE 34-513:1-480\n";
 > print $PROFIT "FIT\n";
 > print $PROFIT "WRITE $folder/$dir/$pdbnew\n";
 > close $PROFIT;
 >
 > shouldn't it?
 >
 > that that file is provided to 1 command line
 > `profit -f align.profit -h /home/jedgold/modelling/NAMD/2hi4.pdb
 $folder/$dir/$pdbnew`;
 > where 2hi4.pdb is my ref
 > $pdbnew variable assosiated with the target pdb
 >
 > one question about align.profit: will the output aligned mobile.pdb
 consist of all atoms? I've found that only CA atoms are used for th