[PyMOL] colors and font size while ray tracing

2011-01-20 Thread Nalam, Madhavi
Hello:
I am trying to generate stereo figures for my manuscript. When I try to ray 
trace at higher resolution, the font size (I use label_font_id=4) is becoming 
very small. If I use any fonts from the settings tab, the font size doesn't 
change with ray tracing. If I am correct, many journals prefer Helvitica/Arial 
fonts for the publication quality figures. So my question is are the fonts 
found in the settings preferred by the journals? If not, can anyone please tell 
me what can be done to keep the font size from decreasing during ray tracing?

Also, I have vdW spheres shown as dots in the figure. The color of the dots for 
the vdW spheres is very light after I ray trace the figure. Last week when I 
ray traced the figure from the same PyMOL session, the colors are much darker!! 
As far as I know, I haven't changed anything in the session file. So can anyone 
please tell me how to increase the darkness of the vdW spheres?

I use PyMOL version 1.3.x on Windows.

Thanks in advance,
Madhavi


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[PyMOL] mutagenesis

2007-05-01 Thread Nalam, Madhavi
Hello:
I am trying to mutate ALA to VAL in PyMOL. I would like to see possible
rotamers for Val. Is it possible to do this in PyMOL?
I am using mutagenesis option in PyMOL. Once I select the Val residue,
it asks to select a conformational state. I assume this is for various
rotamers. But how do I choose a conformational state?
Thanks in advance,
Madhavi




[PyMOL] vdw radii

2007-02-06 Thread Nalam, Madhavi
Hi,

In PyMOL, do the dots and spheres represent the vdW radii of the atoms?
If so, how can I find the default values for each element? If not, what
is the command to show the vdW spheres?

Thanks in advance,
Madhavi




[PyMOL] moving around the files

2006-11-30 Thread Nalam, Madhavi
Hello:
I would like to make one figure consisting of two inhibitors from two
different files. Is there a way that I can move inhibitor from one file
w.r.t. the inhibitor from the second file?
Thanks in advance,
Madhavi

-Original Message-
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Today's Topics:

   1. Re: morphing between complexes (Nat Echols)
   2. electrostatic potential structure (shivesh kumar)
   3. Re: electrostatic potential structure (Martin H?fling)
   4. Re: APBS and Pymol (Andreas Henschel)


--

Message: 1
Date: Tue, 28 Nov 2006 14:04:59 -0800 (PST)
From: Nat Echols 
Subject: Re: [PyMOL] morphing between complexes
To: pymol 
Message-ID: 
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed

> unfortunately I've already tried that server and I've seen that also
in
> that case, the ligand is stripped out.I obtain movies with only the
> protein movements. I don't know if i have problems with my pdbs:
> I have 245 residues + 1 ligand (246). it has the ATOM and not the
HETATM
> indication, could be this a problem?

The server itself doesn't deal with heteroatoms, mostly because it makes

dealing with the PDB even more of a nightmare than usual.  The
underlying 
CNS input file will handle any ligand you want as long as you have the 
correct topology and parameter files (e.g. from Gerard Kleywegt's HIC-UP

server).

I don't know of any program that will morph between *different* ligands,

though.  You can cheat by using a dummy ligand that has the conserved 
core, and adding in the rest manually once you have the interpolation. 
For instance, to show ATP hydrolysis, you use ADP in both PDB files, and

later re-insert the original ATP in place of the ADP in the first 
frame(s).  PyMOL makes this very easy.

-Nat



--

Message: 2
Date: Wed, 29 Nov 2006 06:31:25 -0800 (PST)
From: shivesh kumar 
Subject: [PyMOL] electrostatic potential structure
To: pymol-users@lists.sourceforge.net
Message-ID: <20061129143125.79852.qm...@web53602.mail.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"

Dear all,
  How can I get the electrostatic potential structure of my protein
molecule.Thanx in advance.
  S


shivesh
 
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Message: 3
Date: Wed, 29 Nov 2006 15:58:09 +0100
From: Martin H?fling 
Subject: Re: [PyMOL] electrostatic potential structure
To: pymol-users@lists.sourceforge.net
Message-ID: <200611291558.09623.martin.hoefl...@gmx.de>
Content-Type: text/plain;  charset="iso-8859-1"

Am Mittwoch, 29. November 2006 15:31 schrieb shivesh kumar:
> Dear all,
>   How can I get the electrostatic potential structure of my protein
> molecule.Thanx in advance. S

what do you mean by "electrostatic potential structure"? The potential
can be 
calculated with apbs (by hand or via plugin). This produces a map file
which 
when loaded can be visualized as fieldlines or as equipotential
surfaces. I 
think coloring of the ses of a protein is also possible.

Cheers
Martin



--

Message: 4
Date: Wed, 29 Nov 2006 20:40:31 +0100
From: Andreas Henschel 
Subject: Re: [PyMOL] APBS and Pymol
To: Anastassis Perrakis 
Cc: ba...@biochem.wustl.edu, pymol-users@lists.sourceforge.net
Message-ID: <456de22f.3070...@biotec.tu-dresden.de>
Content-Type: text/plain; charset="iso-8859-1"

Hi Anastassis,

I got the same error with a few pdb files.
The problem is the following. The B-factor in the pymol-generated pdb 
file is somtimes set to values larger than 100 (119.63 in your case) 
thus occupying all its columns of the lovely PDB-format and not leaving 
any space to the preceding occupancy column (1.00 in your case). The 
script psize.py however parses these lines by splitting on white-spaces 
and crashes when converting the merged field ...

The remedy is to modify psize.py like this:

around line 108, replace
words = stri

[PyMOL] hydrogen bonds

2006-07-07 Thread Nalam, Madhavi
Hello,
How do I draw a hydrogen bond between two atoms in PyMol?
Thanks in advance,
Madhavi





[PyMOL] how do I color specific residues

2005-01-20 Thread Nalam, Madhavi
Hello,
I am trying to learn PyMOL and doesn't know any programming. I am
working with a file from pdb (1HPV). I would like to color specific
residues. Basically I have trouble picking residues (there are two
chains and a ligand in the asymmetric unit). How do I choose a specific
residue/atom? Please help me.
Thanks in advance,
Madhavi



RE: [PyMOL] superposition of structures

2004-06-25 Thread Nalam, Madhavi
Hi Warren,
Thanks for the email. I want to superimpose two structures (pdb codes
1HPV, 1HSG) using residues 1-9, 86-99 @ca in both chain A and chain B
(total of 46 atoms). How do I do this?
So long,
Madhavi 

-Original Message-
From: Warren DeLano [mailto:war...@delanoscientific.com] 
Sent: Friday, June 25, 2004 4:21 PM
To: Nalam, Madhavi; pymol-users@lists.sourceforge.net
Subject: RE: [PyMOL] superposition of structures

Nalam,

Yes, the pair_fit command is probably the easiest way to specify a few
CA
atoms over which to fit...

For example:

  load prot1.pdb
  load prot2.pdb

  pair_fit prot1///11-26/CA, prot2///34-49/CA

would superimpose prot1 on prot2 using C-alphas from residues 11-26 in
prot1
and 34-49 in prot2.

Cheers,
Warren


--
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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 
> Nalam, Madhavi
> Sent: Friday, June 25, 2004 10:55 AM
> To: pymol-users@lists.sourceforge.net
> Subject: [PyMOL] superposition of structures
> 
> Hello,
> I would like to superimpose two structures using c-alpha 
> atoms of few residues (not all c-alpha atoms). Can I do this in PyMOL?
> Thanks,
> Madhavi
> 
> -Original Message-
> From: pymol-users-ad...@lists.sourceforge.net
> [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of 
> pymol-users-requ...@lists.sourceforge.net
> Sent: Friday, June 25, 2004 2:29 AM
> To: pymol-users@lists.sourceforge.net
> Subject: PyMOL-users digest, Vol 1 #630 - 5 msgs
> 
> Send PyMOL-users mailing list submissions to
>   pymol-users@lists.sourceforge.net
> 
> To subscribe or unsubscribe via the World Wide Web, visit
>   https://lists.sourceforge.net/lists/listinfo/pymol-users
> or, via email, send a message with subject or body 'help' to
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> 
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>   pymol-users-ad...@lists.sourceforge.net
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> specific than "Re: Contents of PyMOL-users digest..."
> 
> 
> Today's Topics:
> 
>1. RE: Orient molecule (Warren DeLano)
>2. cartoon and alternates (Robert Schwarzenbacher)
>3. RE: cartoon and alternates (Warren DeLano)
>4. Question about rotation (Qun Wan)
>5. Questions about rotation view (Qun Wan)
> 
> --__--__--
> 
> Message: 1
> From: "Warren DeLano" 
> To: "'Steve Bowlus'" ,
>   
> Cc: 
> Date: Wed, 23 Jun 2004 22:59:43 -0700
> Subject: [PyMOL] RE: Orient molecule
> 
> Steve,
> 
> This is something PyMOL can do with a little help from Python...
>   
> # PyMOL script: view2coord.pml
> 
> # get the current camera matrix
> v=cmd.get_view()
> 
> # translate atoms to the current origin of rotation 
> alter_state 1, all, \
> (x,y,z) = (x-v[12],y-v[13],z-v[14])
> 
> # apply the rotation (matrix multiplication) alter_state 1, all, \
> (x,y,z) = (x*v[0]+y*v[3]+z*v[6], \
> x*v[1]+y*v[4]+z*v[7], x*v[2]+y*v[5]+z*v[8])
> 
> # end script
> 
> After loading a molecule and choosing a view (either with the 
> mouse, or using commands like "orient", "turn", "move", 
> "center", etc.), you then simply run the script and save the 
> new coordinates:
> 
> load original_mol.pdb
> orient
> center 10/ca
> @view2coord.pml
> save transformed_mol.pdb
> quit
> 
> Oh, and yes, PyMOL is still free unless you choose to pay for it.
> 
> Cheers,
> Warren
> 
> --
> mailto:war...@delsci.com
> Warren L. DeLano, Ph.D.
> Principal Scientist
> DeLano Scientific LLC
> Voice (650)-346-1154 
> Fax   (650)-593-4020
>   
> 
> > -Original Message-
> > From: Computational Chemistry List
> > [mailto:chemistry-requ...@ccl.net] On Behalf Of Steve Bowlus
> > Sent: Wednesday, June 23, 2004 8:42 PM
> > To: chemis...@ccl.net
> > Subject: CCL:Orient molecule
> > 
> > I am frantically searching for a simple piece of code that 
> will allow 
> > me to:
> > 
> > Read a standard file (mol, pdb, Sybyl ...) select an atom to put at 
> > the Cartesian origin select an atom to put on the X axis select an 
> > atom to put in the XY plane Do a rigid rotation Do sequential rigid 
> > rotations about Cartesian axes Freeze the molecule in the new 
> > orientation Output the NEW, transformed coordinates.
> > 
> > This is equivalent to the Sybyl "orient" command, plus rigid 
> > rotations, plus "

[PyMOL] superposition of structures

2004-06-25 Thread Nalam, Madhavi
Hello,
I would like to superimpose two structures using c-alpha atoms of few
residues (not all c-alpha atoms). Can I do this in PyMOL?
Thanks,
Madhavi

-Original Message-
From: pymol-users-ad...@lists.sourceforge.net
[mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of
pymol-users-requ...@lists.sourceforge.net
Sent: Friday, June 25, 2004 2:29 AM
To: pymol-users@lists.sourceforge.net
Subject: PyMOL-users digest, Vol 1 #630 - 5 msgs

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pymol-users@lists.sourceforge.net

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When replying, please edit your Subject line so it is more specific
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Today's Topics:

   1. RE: Orient molecule (Warren DeLano)
   2. cartoon and alternates (Robert Schwarzenbacher)
   3. RE: cartoon and alternates (Warren DeLano)
   4. Question about rotation (Qun Wan)
   5. Questions about rotation view (Qun Wan)

--__--__--

Message: 1
From: "Warren DeLano" 
To: "'Steve Bowlus'" ,

Cc: 
Date: Wed, 23 Jun 2004 22:59:43 -0700
Subject: [PyMOL] RE: Orient molecule

Steve,

This is something PyMOL can do with a little help from Python...
  
# PyMOL script: view2coord.pml

# get the current camera matrix
v=cmd.get_view()

# translate atoms to the current origin of rotation
alter_state 1, all, \
(x,y,z) = (x-v[12],y-v[13],z-v[14])

# apply the rotation (matrix multiplication)
alter_state 1, all, \
(x,y,z) = (x*v[0]+y*v[3]+z*v[6], \
x*v[1]+y*v[4]+z*v[7], x*v[2]+y*v[5]+z*v[8])

# end script

After loading a molecule and choosing a view (either with the mouse, or
using commands like "orient", "turn", "move", "center", etc.), you then
simply run the script and save the new coordinates:

load original_mol.pdb
orient
center 10/ca
@view2coord.pml
save transformed_mol.pdb
quit

Oh, and yes, PyMOL is still free unless you choose to pay for it.

Cheers,
Warren

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

> -Original Message-
> From: Computational Chemistry List 
> [mailto:chemistry-requ...@ccl.net] On Behalf Of Steve Bowlus
> Sent: Wednesday, June 23, 2004 8:42 PM
> To: chemis...@ccl.net
> Subject: CCL:Orient molecule
> 
> I am frantically searching for a simple piece of code that 
> will allow me to:
> 
> Read a standard file (mol, pdb, Sybyl ...) select an atom to 
> put at the Cartesian origin select an atom to put on the X 
> axis select an atom to put in the XY plane Do a rigid 
> rotation Do sequential rigid rotations about Cartesian axes 
> Freeze the molecule in the new orientation Output the NEW, 
> transformed coordinates.
> 
> This is equivalent to the Sybyl "orient" command, plus rigid 
> rotations, plus "Freeze molecule". But I have not found a 
> free (or even cheap) package that will freeze a molecule in 
> the new coordinates before output.
> 
> Thanks in advance for any pointers,
> Steve
> 
> 
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> 
> 
> 
> 
> 
> 




--__--__--

Message: 2
From: Robert Schwarzenbacher 
Date: Wed, 23 Jun 2004 23:46:50 -0700
To: Warren DeLano  
Cc: pymol-users@lists.sourceforge.net
Subject: [PyMOL] cartoon and alternates

hi there,

I get broken cartoons with alternate conformations. Is there a quick
way to solve this problem?

thanks,

robert

---
Robert Schwarzenbacher, PhD
The Joint Center for Structural Genomics 
phone: 858 822 3637


--__--__--

Message: 3
From: "Warren DeLano" 
To: 
Subject: RE: [PyMOL] cartoon and alternates
Date: Thu, 24 Jun 2004 08:27:49 -0700

Robert,

This sounds like a potential bug.  You might be able to work around it
by
removing all but one alternate conformation...

remove not alt ''+A
rebuild

But I'd like to take a look at the file to understand why PyMOL is
having
trouble.  Could you send me a copy (directly, not via the mailing list)
or
let me know what PDB code to look for?

Cheers,
Warren

--
mailto:war...@delsci.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