Color h
From PyMOLWiki
Overview
This script colors the selection passed in based on the hydrophobicity scale as defined by:
- Source: http://us.expasy.org/tools/pscale/Hphob.Eisenberg.html
- Amino acid scale: Normalized consensus hydrophobicity scale
- Author(s): Eisenberg D., Schwarz E., Komarony M., Wall R.
- Reference: J. Mol. Biol. 179:125-142 (1984)
Or check out hydrophobicity coloring, with rTools from Kristian Rother. http://www.rubor.de/pymol_extensions_de.html
The Code
# color_h # ------- # PyMOL command to color protein molecules according to the Eisenberg hydrophobicity scale # # Source: http://us.expasy.org/tools/pscale/Hphob.Eisenberg.html # Amino acid scale: Normalized consensus hydrophobicity scale # Author(s): Eisenberg D., Schwarz E., Komarony M., Wall R. # Reference: J. Mol. Biol. 179:125-142 (1984) # # Amino acid scale values: # # Ala: 0.620 # Arg: -2.530 # Asn: -0.780 # Asp: -0.900 # Cys: 0.290 # Gln: -0.850 # Glu: -0.740 # Gly: 0.480 # His: -0.400 # Ile: 1.380 # Leu: 1.060 # Lys: -1.500 # Met: 0.640 # Phe: 1.190 # Pro: 0.120 # Ser: -0.180 # Thr: -0.050 # Trp: 0.810 # Tyr: 0.260 # Val: 1.080 # # Usage: # color_h (selection) # from pymol import cmd def color_h(selection='all'): s = str(selection) print s cmd.set_color('color_ile',[0.996,0.062,0.062]) cmd.set_color('color_phe',[0.996,0.109,0.109]) cmd.set_color('color_val',[0.992,0.156,0.156]) cmd.set_color('color_leu',[0.992,0.207,0.207]) cmd.set_color('color_trp',[0.992,0.254,0.254]) cmd.set_color('color_met',[0.988,0.301,0.301]) cmd.set_color('color_ala',[0.988,0.348,0.348]) cmd.set_color('color_gly',[0.984,0.394,0.394]) cmd.set_color('color_cys',[0.984,0.445,0.445]) cmd.set_color('color_tyr',[0.984,0.492,0.492]) cmd.set_color('color_pro',[0.980,0.539,0.539]) cmd.set_color('color_thr',[0.980,0.586,0.586]) cmd.set_color('color_ser',[0.980,0.637,0.637]) cmd.set_color('color_his',[0.977,0.684,0.684]) cmd.set_color('color_glu',[0.977,0.730,0.730]) cmd.set_color('color_asn',[0.973,0.777,0.777]) cmd.set_color('color_gln',[0.973,0.824,0.824]) cmd.set_color('color_asp',[0.973,0.875,0.875]) cmd.set_color('color_lys',[0.899,0.922,0.922]) cmd.set_color('color_arg',[0.899,0.969,0.969]) cmd.color("color_ile","("+s+" and resn ile)") cmd.color("color_phe","("+s+" and resn phe)") cmd.color("color_val","("+s+" and resn val)") cmd.color("color_leu","("+s+" and resn leu)") cmd.color("color_trp","("+s+" and resn trp)") cmd.color("color_met","("+s+" and resn met)") cmd.color("color_ala","("+s+" and resn ala)") cmd.color("color_gly","("+s+" and resn gly)") cmd.color("color_cys","("+s+" and resn cys)") cmd.color("color_tyr","("+s+" and resn tyr)") cmd.color("color_pro","("+s+" and resn pro)") cmd.color("color_thr","("+s+" and resn thr)") cmd.color("color_ser","("+s+" and resn ser)") cmd.color("color_his","("+s+" and resn his)") cmd.color("color_glu","("+s+" and resn glu)") cmd.color("color_asn","("+s+" and resn asn)") cmd.color("color_gln","("+s+" and resn gln)") cmd.color("color_asp","("+s+" and resn asp)") cmd.color("color_lys","("+s+" and resn lys)") cmd.color("color_arg","("+s+" and resn arg)") cmd.extend('color_h',color_h) def color_h2(selection='all'): s = str(selection) print s cmd.set_color("color_ile2",[0.938,1,0.938]) cmd.set_color("color_phe2",[0.891,1,0.891]) cmd.set_color("color_val2",[0.844,1,0.844]) cmd.set_color("color_leu2",[0.793,1,0.793]) cmd.set_color("color_trp2",[0.746,1,0.746]) cmd.set_color("color_met2",[0.699,1,0.699]) cmd.set_color("color_ala2",[0.652,1,0.652]) cmd.set_color("color_gly2",[0.606,1,0.606]) cmd.set_color("color_cys2",[0.555,1,0.555]) cmd.set_color("color_tyr2",[0.508,1,0.508]) cmd.set_color("color_pro2",[0.461,1,0.461]) cmd.set_color("color_thr2",[0.414,1,0.414]) cmd.set_color("color_ser2",[0.363,1,0.363]) cmd.set_color("color_his2",[0.316,1,0.316]) cmd.set_color("color_glu2",[0.27,1,0.27]) cmd.set_color("color_asn2",[0.223,1,0.223]) cmd.set_color("color_gln2",[0.176,1,0.176]) cmd.set_color("color_asp2",[0.125,1,0.125]) cmd.set_color("color_lys2",[0.078,1,0.078]) cmd.set_color("color_arg2",[0.031,1,0.031]) cmd.color("color_ile2","("+s+" and resn ile)") cmd.color("color_phe2","("+s+" and resn phe)") cmd.color("color_val2","("+s+" and resn val)") cmd.color("color_leu2","("+s+" and resn leu)") cmd.color("color_trp2","("+s+" and resn trp)") cmd.color("color_met2","("+s+" and resn met)") cmd.color("color_ala2","("+s+" and resn ala)") cmd.color("color_gly2","("+s+" and resn gly)") cmd.color("color_cys2","("+s+" and resn cys)") cmd.color("color_tyr2","("+s+" and resn tyr)") cmd.color("color_pro2","("+s+" and resn pro)") cmd.color("color_thr2","("+s+" and resn thr)") cmd.color("color_ser2","("+s+" and resn ser)") cmd.color("color_his2","("+s+" and resn his)") cmd.color("color_glu2","("+s+" and resn glu)") cmd.color("color_asn2","("+s+" and resn asn)") cmd.color("color_gln2","("+s+" and resn gln)") cmd.color("color_asp2","("+s+" and resn asp)") cmd.color("color_lys2","("+s+" and resn lys)") cmd.color("color_arg2","("+s+" and resn arg)") cmd.extend('color_h2',color_h2)