10 20 30 40 50 CCUCCCACCUUGUUCCGGGUC -- U -| A GUUCAUU GUCC UGGG UUGCGGGGAA UC CAUCAUGU \ UAGG ACUC AAUGCCCCUU AG GUGGUACA C GGCUGUACAACAACGACCGUC AU U C^ G UGGUCCA . 110 100 90 80 70 60