10 20 30 40 50 60 CUCGCGGGCAACGCUUU----| CU A - C UGUGGUU GUG UGGUGGGA GGCAGU GUAA GUUAGCUGGU G CAC ACCAUUCU CCGUCG CGUU CAAUUGACCA U CUUACUGCCGACUUACAGGUA^ -- C U - UUGUAUA 120 110 100 90 80 70