10 20 30 40 50 UGGCCCUGCAAAAGGUG---| U G- GAUU GUCUCAU UGAUGU GGGUAAGG GACAGG GGUGUGGGG \ AUUACA CCCAUUCC CUGUCC CCACACUCC U UAUCAAUUAGCAACUAUACC^ - AA AGUU ACCAUCU 120 110 100 90 80 70