10 20 30 40 50 GCACACAGAUGAUGUAU- UUG U-| G UG A AGGAUU UGUG GUUUUU AAUAUCA C GUA UCUGGAG \ AUAC CAAAAA UUAUAGU G CAU AGAUCUC A GUAUACAUAUAAACGAAC UGA CU^ G GU - AAAGAU . 110 100 90 80 70