10 20 30 40 50 60 AUCUUCAUUAGUUCCUAA--| CAGC AA U A GUAACU CCUG CUAUACACCUGAAG UUG CUCA CCU \ GGAC GAUGUGUGGACUUU AAC GAGU GGA U CUUCUUUUCUUCUUGAAUAA^ ACCA GA - - UCGAAG . 110 100 90 80 70