10 20 30 40 50 UUCACGUCGACUGGAUGUUUAA- C G- U -| U GCUUC CC CCUG ACGUAUACUGAA GUAU CC GA \ GG GGAC UGCAUAUGACUU CAUA GG CU A UUUUACACGCAACUUUUCACAAC A AA C U^ C UACUU 110 100 90 80 70 60