restrict *d
rotate y 90
centre *d
zoom 400
define helix1 1-7:d or 66-72:d
define helix2 11-13:d or 22-24:d
define helix3 25:d or 41-45:d or 27-29:d
define helix4 50-53:d or 61-64:d
define hel 1-7:d or 66-72:d or 11-13:d or 22-24:d or 25:d or 41-45:d or 27-29:d or 50-53:d or 61-64:d
echo tRNA helices are defined as helix1, helix2, helix3, helix4   
echo "helices" is for joint of helix1, helix2, helix3, helix4
define loop1 14-21:d
define loop2 30-40:d
define loop3 54-60:d
define internal_loop 26:d or 44:d
define junction 8-10:d or 46-49:d or 65:d
echo for tRNA defined loop1, loop2, loop3, internal_loop, junction  
define loops loop1, loop2, loop3
echo "loops" is for joint of loop1, loop2, loop3
define anticodon 34-36:d
echo for tRNA defined anticodon
define lends 1:d or 76:d
echo for tRNA defined lends
define n 22:d or 46:d
echo not canonical interactions is n
restrict hel
wireframe 50 
select helix1
color blue
select helix2
color green
select helix3
color gold
select helix4
color red
echo this is all helices
pause
select loops
wireframe 50
color white
echo The loops is white
pause
select internal_loop
wireframe 50
color pink
select junction
wireframe 50
color yellow	
echo The internal loop is pink, and the junction is yellow
pause
select anticodon
wireframe 50
color GreenBlue
select 73:d
wireframe 50
echo The anticodon is GreenBlue