10 20 30 40 50 UUGGAUCACUGAAAAAU--| UG C U CGCUGUGAC GUUGG ACUGU CAUUAUUACUU UGGUACG \ CAACU UGACG GUAAUAAUGAG GCCAUGC A ACCAUAGGUUCAACCGUCA^ GG C U UCAAACUAC 110 100 90 80 70 60