10 20 30 40 50 CUGUUUGUGCCACCCAC--| G U C GU UGUUC AGUGU CAUCAGG GUAACAG AACUCCAU GGA \ UUACA GUAGUUU CAUUGUC UUGAGGUG CCU C UCGUCAGCUACAAGUUCAC^ G U A AC CGCUA 110 100 90 80 70 60