10 20 30 40 50 GGCCACCACCUUCAGCUGA-- G C UG -| U CAGAUA GUGUA UGCU UACU A GAGGGUGACA UCA \ CACGU AUGA AUGA U UUUCCACUGU AGU C UGGUAUAUCUAACAUAUUUUA A C GU U^ C ACAGGU 110 100 90 80 70 60