echo First of all load pdb-file 1o0c! pause echo This is a Rasmol script to demonstrate tRNA structure 1o0c pause restrict rna pause define helix1 902-907B or 966-971B define helix2 910-912B or 923-925B define helix3 927-931B or 939-943B define helix4 949-953B or 961-965B define stems helix1 or helix2 or helix3 or helix4 echo tRNA helices are defined as helix1, helix2, helix3, helix4 echo their aggregate is defined as stems pause define loop1 913-922B define loop2 932-938B define loop3 954-960B define loop4 944-948B define loops (913-922B or 932-938B or 954-960B or 944-948B) echo tRNA loops are defined as loop1, loop2, loop3, loop4 echo all of them are defined as loops pause define lends 972-976 echo unpaired end defined as lends pause define anticodon 934-936 echo nucleotides of anticodon are defined as anticodon pause select anticodon color purple wireframe 50 echo Anticodon is purple pause select helix1 color green echo acceptor stem is green pause select helix2 color yellow echo D-stem is yellow pause select helix3 color red echo anticodon stem is red pause select helix4 color blue echo T-stem is blue pause