10 20 30 40 50 UUAACAGUUCCAACUUC--| UUU A AA U A CACCUG AAUGC GCUA AGCUGGU AA GG ACCAAAU U UUAUG CGAU UCGACCA UU CC UGGUUUA U GUAAACAGGACAUCACUAG^ UAU G AC C C GGUAAA . 110 100 90 80 70 60