10 20 30 40 50 UUGAGAGAGAAUGAGAA- -| UA C GGUAAU GAGAG UGAGCCAGU AGACUUG AGUGAUGUUUA C CUUUC ACUCGGUCG UCUGAAU UCACUACAAGU U AGACGUAGUCAUCUACCA G^ UG U ACCCAG . 110 100 90 80 70 60