10 20 30 40 50 GUUCGAUGUCACUAUCC----| CG A CGGA U AUUUU AGGC GGA GGGAGUUGC GCAU GCACAACA \ UCCG CCU CCUUCAGCG CGUG CGUGUUGU U UAGUAAGACACCAUUUCAUAG^ -- G ACAG - AUGUA 110 100 90 80 70 60