#This script is for display of Zif268-DNA by Pavletich and Pabo
#If molecule isn't loaded...
#zap
#load 1aay.pdb
#Script starts here:
define g_major (G and (*.N7 or *.O6 or *.C5 or *.C6 or *.C8 or *.H8))
define a_major (A and (*.N6 or *.N7 or *.C5 or *.C6 or *.2H6 or *.C8 or *.H8)) 
define t_major (T and (*.C5 or *.O4 or *.C4 or *.C5M or *.1H5M or *.2H5M or *.3H5M))
define c_major (C and (*.C5 or *.N4 or *.C4 or *.1H4 or *.2H4 or *.H5))
define g_minor (G and (*.N3 or *.C4 or *.C2 or *.N2 or *.1H2 or *.2H2))
define a_minor (A and (*.N3 or *.C4 or *.C2 or *.H2))
define c_minor (C and (*.C2 or *.O2))
define t_minor (T and (*.C2 or *.O2))
define major_groove (g_major or a_major or c_major or t_major)
define minor_groove (g_minor or a_minor or c_minor or t_minor)

#---------------------------------------------------------------------------
#ZInc fingers bind mainly to one strand of a helix, in the major groove (colored red),
#you can rotate to see more clearly.
select all
calculate structure
labels off
spacefill off
cartoons off
monitors off
set monitors off
color cpk
select all
wireframe 75
hbonds calculate
color hbonds green
hbonds 0.20
reset
rotate z 46
rotate x 176
translate x -3
translate y -9
zoom 131
select dna
wireframe 150
select major_groove
color red
select minor_groove
color violet
select DNA and (not major_groove) and (not minor_groove) and (not *.P)
color white
select protein
wireframe off
cartoons
select protein
color [0,255,0]
select protein and resno>133
color [0,255,255]
select protein and resno>160
color [0,0,255]
select Zn
color yellow
spacefill 300
select arg103 and *.CA
label N-term
set fontsize 18
select arg187 and *.CA
label C-term
set fontsize 18
set specular on