load=1RIO

define set1 *.O? and dna
define set2 *.OP? and dna
define set3 *.N? and dna

restrict none
select all
ribbons
color chain
pause

restrict none
select dna
wireframe
color red
pause

restrict none
select dna
wireframe
color red
select set1
cpk 100
color green
pause

restrict none
select dna
wireframe
color red
select set2
cpk 100
color blue
pause

restrict none
select dna
wireframe
color red
select set3
cpk 100
color white
pause