load pdb '1I7D.pdb'
restrict :B
center 704
zoom 300
script dna3.txt
select hydrsugar
spacefill 100
echo hydrophobic sugar
pause
spacefill off

select polarsugar
spacefill 100
echo Polar sugar
pause
spacefill off

select DNApolar
spacefill 100
echo Polar DNA
pause
spacefill off

select DNAhydr
spacefill 100
echo Hydropobic DNA
pause
spacefill off

select POOST
spacefill 100
echo POLAR OXYGEN IN PHOSPHATE
pause
spacefill off