RE: [PyMOL] electrostatic

2004-05-19 Thread EPF (Esben Peter Friis)
Are you using the same platform for both Grasp and Pymol? I don't think
that big-endian maps (written by an SGI computer) can be read by a
little-endian platform, such as a x86 based PC.

- Esben


  The problem is getting the phi map in grasp. Can somebody 
 explain me how to do it? 
 
 This is what we did and worked (we now using Delphi), try it. 
 --
 
 *On the SGI computers:
  1) Start up the computer, log in and in a command line 
 prompt, change the 
 directory to where the .pdb fi
 le, .siz file and .crg files are located.
  2) Run grasp (command: /hhmi/software/grasp/grasp)
  3) Open up the menu by right-clicking on the window
  4) With the menu open, right-click on the Read option.
  5) Right-click on the PDB File option and load the .pdb file.
  6) Open the read menu again (steps 3-4), and select the 
 Radius/Charge 
 File option, then load the raidus
 file.  Repeat again, loading the charge file.
  7) Open the main menu, click on display, show, molecular surface.
  8) Open the main menu, click on calculate, new potential map.
  9) Open the main menu, click on calculate, Pot. via map at 
 surface/atoms
 10) Open the main menu, click on write, potential map, 
 internal map, let 
 me enter it.  In the command lin
 e prompt, type in the name of the file (namefile.phi)
 
 
 
 ===
 Yu Chen
 Howard Hughes Medical Institute
 Chemistry Building, Rm 182
 University of Maryland at Baltimore County
 1000 Hilltop Circle
 Baltimore, MD 21250
 
 phone:(410)455-6347 (primary)
   (410)455-2718 (secondary)
 fax:  (410)455-1174
 email:c...@hhmi.umbc.edu
 ===
 
 
 
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RE: [PyMOL] Ball Stick representation

2004-05-19 Thread EPF (Esben Peter Friis)
I have mad a lot of these pictures, and the solution is to create two
objects for the substrate.

object1, displayed as sticks in the desired color, and
object2 dipslayed as spheres in the desired color(s)

and then set sphere_scale, 0.3, object2


Example (if the file contains a residue named NAD)

load molecule.pdb, complex
create prot, complex and not resn NAD
create nad1, complex and resn NAD
create nad2, nad1
disable complex
show sticks, nad1
color grey70, nad1
show spheres, nad2
set sphere_scale, 0.3, nad2


Hope this helps


Esben

 -Original Message-
 From: pymol-users-ad...@lists.sourceforge.net 
 [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of Zach
 Sent: 18. maj 2004 23:36
 To: pymol-users@lists.sourceforge.net
 Subject: [PyMOL] Ball  Stick representation
 
 
 Hello to all,
 
 I have a protein that contains a substrate and for which I 
 want to create a picture. For the substrate I would like to 
 use a ball and stick representation such that the spheres are 
 colored by atom type and the sticks are on a single color. My 
 problem is that I have not been able to give different color 
 schemes to the sticks and spheres. How do I do that? Any help 
 is greatly appreciated. Thanks,
 
 Zach
 
 
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RE: [PyMOL] Linux Beta Version with Sequence Viewer

2004-05-19 Thread Warren DeLano
Thanks for the input.

   * sequence colors could (optionally?) match atom (C-alpha) 
 colors in the 3D view.

Good idea.

   * When a 3D-alignment is done, there is a sequence alignment behind.
 Having this transferred to the sequence window would be 
 extremely useful.

Planned -- but this is nontrivial.  

   * The heteroatoms should not appear in the sequence windows 
 - at least not in residue modes.

Hmm.  Some heteroatoms you definitely want, like S-met and modified bases.
Others like water aren't quite so useful.  

What we may need in PyMOL is a set of categories/selection keywords such as
the following:

polymers: all natural bases/amino acids and any hetatms connected through
main chain chemistry

waters: all recognized waters (HOH, WAT, TIP, etc.)

ions: isolated atomic cations, anions, metals, etc. 

ligands: anything not contains in the above

By default, polymers and ligands make sense in the sequence view and waters
can probably be omitted.  Ions we should also probably keep in by default
since they often play important roles in coordinating ligands.  

Does this sound like a useful addition?

Cheers,
Warren


--
mailto:war...@delanoscientific.com
Warren L. DeLano, Ph.D.
Principal Scientist
DeLano Scientific LLC
Voice (650)-346-1154 
Fax   (650)-593-4020
  

 -Original Message-
 From: pymol-users-ad...@lists.sourceforge.net 
 [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of 
 EPF (Esben Peter Friis)
 Sent: Wednesday, May 19, 2004 4:58 AM
 To: Warren DeLano; pymol-users@lists.sourceforge.net
 Subject: RE: [PyMOL] Linux Beta Version with Sequence Viewer
 
 
 Hi Warren
 
 This is GREAT!
 I was going to suggest this for the future development, but (as usual
 :-) you're ahead.
 
 
 Very good points:
   * possible to chose between atoms/1-letter 
 residues/3-letter residues etc.
   * The background color of the scrollbar area shows a 
 complete overview of the selections.
 
 Proposals:
   * sequence colors could (optionally?) match atom (C-alpha) 
 colors in the 3D view.
   * When a 3D-alignment is done, there is a sequence alignment behind.
 Having this transferred to the sequence window would be 
 extremely useful.
   * The heteroatoms should not appear in the sequence windows 
 - at least not in residue modes.
 
 
 How are the sequences represented in the data structure? It 
 could be fun to interface with an extrenal modelling program, 
 such as Nest. That goal seems relatively close with this new feature.
 
 
 Cheers,
 
 Esben
 
 
  -Original Message-
  From: pymol-users-ad...@lists.sourceforge.net
  [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf 
 Of Warren 
  DeLano
  Sent: 18. maj 2004 10:22
  To: pymol-users@lists.sourceforge.net
  Subject: [PyMOL] Linux Beta Version with Sequence Viewer
  
  
  PyMOLers,
  
  I just finished the first beta version of PyMOL with a built-in 
  sequence viewer (96beta6) and am looking for some experienced LINUX 
  PyMOL users who are willing to poke around with this new stuff and 
  provide feedback or suggestions.
  
  Screenshot  download at:
  
 http://delsci.com/beta
 
 NOTE: don't install this over your main version -- try this 
 in a separate directory instead.
 
 Load your favorite structure, click on the S on the lower 
 right hand corner to enable the sequence viewer, and then see 
 what you can do with it. Try various button combinations on 
 the sequence, and try mixing in shift and/or control with the 
 left  middle buttons.  Please let me know what you think...
 
 Cheers,
 Warren
 
 --
 mailto:war...@delanoscientific.com
 Warren L. DeLano, Ph.D.
 Principal Scientist
 DeLano Scientific LLC
 Voice (650)-346-1154 
 Fax   (650)-593-4020
  
 
 
 
 
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RE: [PyMOL] Creating a .pymolrc file in Windows

2004-05-19 Thread Warren DeLano
Actually, this too was anticipated ; ).  On Windows:

for PyMOL commands, simply use

   pymolrc

   (no extention -- I suppose pymolrc.txt or pymolrc.pml would've made more
sense...)

or for Python code:

   pymolrc.py
   pymolrc.pym

Cheers,
Warren

--
mailto:war...@delanoscientific.com
Warren L. DeLano, Ph.D.
Principal Scientist
DeLano Scientific LLC
Voice (650)-346-1154 
Fax   (650)-593-4020
  

 -Original Message-
 From: pymol-users-ad...@lists.sourceforge.net 
 [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of 
 EPF (Esben Peter Friis)
 Sent: Wednesday, May 19, 2004 2:30 PM
 To: pymol-users@lists.sourceforge.net
 Cc: TAPO (Thomas Agersten Poulsen); SMIN (Stefan Minning); 
 LBEI (Lars Beier)
 Subject: [PyMOL] Creating a .pymolrc file in Windows
 
 
 Hi PyMOLers
 
 Seems like it is somewhat difficult to create a .pymolrc file 
 in Windows (whatever version). The standard Windows explorer 
 file browser simply doesn't accept this as a filename. 
 
 The workaround is to call the file something else, eg. 
 pymolrc.txt and put the desired commands in it using Notepad. 
 The file must be saved in C:\Program Files\DeLano Scientific\PyMOL\
 
 Then open a terminal (command) window by running Start/Run 
 and type cmd (win2000/XP) or command (Windows 98/ME). Then 
 change to the correct directory and rename the file:
 
 cd c:\Program Files\DeLano Scientific\PyMOL
 ren pymolrc.txt .pymolrc
 
 That should do the trick!
 You can edit the file aftrewards by right-clicking it and 
 choose open with/Notepad.
 
 
 Cheers,
 
 Esben
 
 
 
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RE: [PyMOL] Linux Beta Version with Sequence Viewer

2004-05-19 Thread Andrew Fant

Warren.
   I can't speak to the alignment tools, as I don't spend a lot of time in 
homology model building, but I would like to second the idea of adding the 
selection keywords.  They would make my use of pymol that much easier.


Andy

--On Wednesday, May 19, 2004 09:32:17 -0700 Warren DeLano 
war...@delanoscientific.com wrote:



Thanks for the input.


  * sequence colors could (optionally?) match atom (C-alpha)
colors in the 3D view.


Good idea.


  * When a 3D-alignment is done, there is a sequence alignment behind.
Having this transferred to the sequence window would be
extremely useful.


Planned -- but this is nontrivial.


  * The heteroatoms should not appear in the sequence windows
- at least not in residue modes.


Hmm.  Some heteroatoms you definitely want, like S-met and modified bases.
Others like water aren't quite so useful.

What we may need in PyMOL is a set of categories/selection keywords such
as the following:

polymers: all natural bases/amino acids and any hetatms connected
through main chain chemistry

waters: all recognized waters (HOH, WAT, TIP, etc.)

ions: isolated atomic cations, anions, metals, etc.

ligands: anything not contains in the above

By default, polymers and ligands make sense in the sequence view and
waters can probably be omitted.  Ions we should also probably keep in by
default since they often play important roles in coordinating ligands.

Does this sound like a useful addition?

Cheers,
Warren