10 20 30 40 50 UUCAGUGGCCGGAUAACA--| CA U C U A AUUACU GC UCAUG GGUGAA CAUGGUUAA GA CAUUG \ UG AGUAU CCAUUU GUACCAGUU CU GUAAC U AAACAGCACUCUAGUCAAAA^ AG U A - G CUUUCA . 110 100 90 80 70