Here are a series of commands to help you produce a simple graphical 
representation of different classes of amino acids in protein structures (we 
have these scripts installed in a separate "function panel" that was written in 
house, but you can also save them as (name).pml scripts and run them when 
needed.....)  Of course, if what you're looking for is a detailed analysis of 
packing interactions between specific residues, or types of amino acids, 
including numeric output of distance separations, et cetera, then your need is 
more complex than these admittedly very simple graphical representations........

Hopefully these will be of use to you or others,
-Tom



show_aromatics.pml:
---------------begin-------------------------
#
# Show side chain sticks for aromatic residues
#
# (script for PyMol)
# Tom Stout, 08/05/2004
#

mstop
dss
hide all
#zoom all
#orient
show cartoon,all
color gray,all

select aromatics,(resn phe+tyr+trp+his)
show sticks, (aromatics and (!name c+n+o))
color green,aromatics
disable aromatics
set cartoon_smooth_loops,0

---------------end---------------------------





show_hydrophobics.pml:
---------------begin-------------------------
#
# Show side chain sticks for hydrophobic residues
#
# (script for PyMol)
# Tom Stout, 08/05/2004
#

mstop
dss
hide all
#zoom all
#orient
show cartoon,all
color gray,all

select hydrophobes,(resn ala+gly+val+ile+leu+phe+met)
show sticks, (hydrophobes and (!name c+n+o))
color orange,hydrophobes
disable hydrophobes
set cartoon_smooth_loops,0

---------------end---------------------------




show_charged.pml:
---------------begin-------------------------
#
# Show side chain sticks for charged residues
#
# (script for PyMol)
# Tom Stout, 08/05/2004
#

mstop
dss
hide all
#zoom all
#orient
show cartoon,all
color gray,all

select pos,(resn arg+lys+his)
show sticks, (pos and !name c+n+o)
color marine,pos
disable pos
select neg,(resn glu+asp)
show sticks, (neg and !name c+n+o)
color red,neg
disable neg
set cartoon_smooth_loops,0

---------------end---------------------------


show_hydrophilic.pml:
---------------begin-------------------------
#
# Show side chain sticks for hydrophilic residues
#
# (script for PyMol)
# Tom Stout, 08/05/2004
#

mstop
dss
hide all
#zoom all
#orient
show cartoon,all
color gray,all

select hydrophilics,(resn arg+lys+his+glu+asp+asn+gln+thr+ser+cys)
show sticks, (hydrophilics and !name c+n+o)
color green,hydrophilics
disable hydrophilics
set cartoon_smooth_loops,0

---------------end---------------------------



-----Original Message-----
From: pymol-users-ad...@lists.sourceforge.net
[mailto:pymol-users-ad...@lists.sourceforge.net]on Behalf Of Ferdinand
Molnár
Sent: Monday, March 07, 2005 4:19 AM
To: pymol-users@lists.sourceforge.net
Subject: [PyMOL] hydrophobic interactions


Hello,

I would be interested whether there is a way to 
calculate and visualize the hydrophobic 
interaction such as Phe-Phe or Leu-Leu etc.

Maybe it would be a good add to the program 
because there are not so many softwares which can 
do that.

Regards

Ferdinand
-- 
--
Ferdinand Molnár, M.Sc.
Department of Biochemistry
University of Kuopio
Savilahdentie 9F
P.O. Box 1627
FIN - 70211 Kuopio
Finland
Phone: +358-17-163392
Fax:     +358-17-2811510
e-mail: mol...@uku.fi


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