10 20 30 40 50 CUGUUGUCCACUCCUGG- CU C- -| AGAGUUCU UCG GGUA UUUCGUUCCAG AGAUGCGUUUACA \ AGC CCAU AAAGUAAGGUC UUUACGUAAAUGU U UCUCCACAGCUUCUACAC AC CA U^ CUAUAAUG 120 110 100 90 80 70