load=1pp8

define set1 (*.O3' or *.O4' or *.O5')
define set2 (*.OP1 or *.OP2)
define set3 (*.N? and dna)

cpk off
wireframe off
cartoon
pause

restrict dna
cartoon off
wireframe on
pause

select set1
cpk 150
pause

cpk off
select set2
cpk 150
pause

cpk off
select set3
cpk 150