10 20 30 40 50 AGACUGAAGACAGAAUGUUAAA- C - U -| U GUGU CC CCUG UACGUAUACUGAA GUAU CC GA U GG GGAC AUGCAUAUGACUU CAUA GG CU U CUCCGGCCUGGCAACUUUACACC A A C U^ C GUCU 110 100 90 80 70 60