10 20 30 40 50 60 UUUCUUCAGUGAGACCC- - -| C G U UUUUUCG UCUU CUUCUGGAA GCUGGUUUCA AUGGUG CU AGA A AGAA GAGGAUUUU UGACUAAAGU UACCAC GA UCU U GGGAACACGGCGACGUUA U G^ U - - AUGUUUC 120 110 100 90 80 70