10 20 30 40 50 60 AAAAUUGUGGCGUGACAAU ---|UG C UG AA AGAGUGCAU UCCG G AUC UUGGCAC G GAAUUCAC U AGGC C UAG GACCGUG C CUUGGGUG A CAUGCCAACCAUAACUAA- CCU^GU A GU C- CUGGACAGC . 110 100 90 80 70