10 20 30 40 50 60 UUGUGAAUUUAUCUGGG----| UG C UU GUACAGG CAGU UUGCU CUGUAAACAUCC GACUGGAAGCU \ GUCG GACGG GACAUUUGUAGG CUGACUUUCGG C AGACAAAGUCCUCUUAACACC^ -- C -- AGAAACU 120 110 100 90 80 70