load 1hmd.pdb
backbone 120
pause

restrict dna
pause

define o_rib (*.o3*,*.o4*,*.o5*)
define o_ph (*.op1,*.op2)
define ocnov (*.n1,*.n3,*.n7,*.n9,*.n4,*.n6)
select o_rib
cpk 160
pause

select o_ph
cpk 160
pause

select o_rib
cpk 160
pause
