make map MAP_FO zero
make map MAP_FO conv real
make map MAP_FO set -1 1 9999.
make map MAP_FO from MAP_ORIG copy
key work_set sele segm numb 1 .a atom name C CA CB N O end
<dens_comb.cmds

make map MAP_FO zero
make map MAP_FO conv real
make map MAP_FO set -1 1 9999.
make map MAP_FO from MAP_ORIG copy
key work_set sele segm numb 1 .a atom name C CA CB N O .a resi numb 1 375 end
<dens_comb.cmds
model segmen 1
return

key work_set sele .not final end
<dens_comb.cmds
return


key work_set sele segm numb 1 .a atom name C CA CB N O .a resi numb 4 34 end
<dens_comb.cmds

return

make map MAP_FO zero
make map MAP_FO conv real
make map MAP_FO set -1 1 9999.
make map MAP_FO from MAP_ORIG copy




key work_set sele segm numb 1 end
<dens_comb.cmds