10 20 30 40 50 GUAGAUGAGGCAGGGAU----| UAAG A U GUGUAGA AUGAUU GAUGU GAU UUCUCAGGUAGACC \ UACUAA UUACA CUA AAGAGUCCAUCUGG C GACAAACUAUAUGCGAGGUAU^ UA-- C U CAGAUGG 110 100 90 80 70 60