10 20 30 40 50 UUCUCUGAUGAGUGAUG- A C - U -| U GUGUA UG AGCC CCUG UACGUAUACUGAA GUAU CC GA \ AC UCGG GGAC AUGCAUAUGACUU CAUA GG CU A UUCUAGUAGCAGCUAGCC A A A C U^ C GUCCU 110 100 90 80 70 60