10 20 30 40 50 GCGGCUCACAGCCCCGG- -|GG A GCU A CUGGC GGGCAG C AGAG UGGUGG GCGGA CAUGUG C UCUGUC G UUUC ACUACC CGUCU GUACAC U AGAGGGUGCUCCGGUCCC U^GA C AGC - CGGGC 110 100 90 80 70 60