10 20 30 40 50 60
ACCUGCAUCUUCCUGGG----| GA UA UU GUAAGGU
CAGUC UGC CUGUAAACAUCC GACUGGAAGCU G
GUCGG ACG GACAUUUGUAGG CUGACUUUCGA C
GACCAUGAGCCUACUGACACC^ -- GC -- GGAAGAU
120 110 100 90 80 70