load=1RIO

define set1 *.O? and dna
define set2 *.OP? and dna
define set3 *.N? and dna
cpk 0
wireframe off
cartoons
color chain
pause

restrict dna
cartoons off
wireframe
pause

select set1
cpk 80
color red
pause

cpk 0
select set1
cpk 0
select set2
cpk 80
color green
pause

select set2
cpk 0
select set3
cpk 80
color blue
pause