restrict none
set echo top center
font echo 14
color echo black


load dna_prot.pdb
background "#F0F8FF"
select all
wireframe off
backbone off
cpk off

cartoons
color structure
center selected
zoom 150
pause

restrict none
cartoons off
select dna
center selected
zoom 250
spacefill
color cpk

select protein 
backbone
color structure

select protein and within(7.0, dna and (:b or :c))
define myprot selected
select within (group, myprot)
wireframe 70
color cpk
pause