10 20 30 40 50 60 ACAAAGAAAGCAUGACUAUA-- --| U UUAUAUA ACACACUGAGAAGGACA UUAUUUAU GAUAAU U UGUGUGACUCUUCCUGU AAUAAAUG CUAUUA A UACGUGCGCACUACCCCAUGUA UU^ - AAUAUAU 120 110 100 90 80 70