10 20 30 40 50 CUCCUUUGCAGAAGCCUGG- CU- A -| C UUUAUU UC CU UGGACAUC UUACUAGACAGUG UGGA U AG GA AUUUGUAG AAUGGUCUGUCAC AUCU U CCUUGUGCCUCAUACAACCG UGU A C^ A UUUGUA . 110 100 90 80 70 60