10 20 30 40 50 UGGCCUCUACCAGAGUG---| GG U CU GUGAU GGCU CCUUUU GUGUUCACUGUGU GCCUUGGU U CCGA GGGGAA CGUAAGUGGCGCA CGGAAUUA U UUUACAUGUCGUCCUAUUAC^ A- C -- GCACG 110 100 90 80 70 60