10 20 30 40 50 CACUGUACAGGAGAAAA--- ACA - -| A CUGAUGA AAUGG CUGGGCUCG CAGAG UGGCUGUGA AUG \ UUACC GACCCGAGU GUUUC ACCGACACU UAC U CUAGUUUUAUCUACGUACAU AA- A G^ A CCAUAUA 120 110 100 90 80 70