10 20 30 40 50 UGCCAUCAGUAAGAAAU-- GU AAAA A -| U UUAUAU G GUGUAGG UG CCUAU GAA UGACAGACA U C UAUGUUC AC GGAUG CUU ACUGUCUGU U CACCAAAACUUCGUCGUGU UG CGUA C U^ U UUGAAA . 110 100 90 80 70 60