load pdb '1I7D.pdb'
script dna2.txt
restrict :B
center 704
zoom 300
script dna3.txt
select mjg
spacefill 100
echo Major Grouve
pause 
spacefill off

select mig
spacefill 100
echo Minor Grouve
pause
spacefill off

select POOST
spacefill 100
echo phospate polar
pause
spacefill off

select hydrsugar
spacefill 100
echo Hydrophbic sugar
pause
spacefill off

select Polarsugar
spacefill 100
echo Polar sugar
pause
spacefill off