10 20 30 40 50 AAAAGCACUGCUUAUCUGCU-- UG -| U UGACUAU UG AUGGGAUGGCAG UGUAU GUUAGCUGGU \ AC UACCCUAUCGUC ACGUA CAAUCGACCG C AUAAACAGACACAGCACCCUUU GU A^ - UGCAAGU . 110 100 90 80 70