reset

load =1i3j
pause

resume
restrict dna
cpk off
pause

resume
define O_Sugar {*.O?' and dna}
select O_Sugar
cpk 50%
pause

resume
select O_Sugar
cpk off
define O_PO4 {*.OP? and dna}
select O_PO4
cpk 50%
pause

resume
select O_PO4
cpk off
define N_Base {*.N? and dna}
select N_Base
cpk 50%