10 20 30 40 50 UUCUUAAAAGUCCUGUAGC--| A G U G UAUGGUG CAGUCAGA AU AGCUUAU CAUAAAA UGCAG \ GUUAGUCU UG UCGAAUA GUAUUUU AUGUC A CUUCUGUCGACGACGUACAAA^ C A U A UAACUGA . 110 100 90 80 70