10 20 30 40 50 UUCAUUAAGCAGAGACC--| G - C U GUGAU CAAACCCAGGUCU CU GACUCUUAGU CAG GCUC G GUUUGGGUCCGGA GG CUGGGGAUCA GUC CGGG G CAGUCUCCGACUGCUAUAA^ - U A C UGGUC 110 100 90 80 70 60