10 20 30 40 50 UGAGGUAUACAGACUACA--| CGU - A U CCCC- AUGUGUA AAGGA GGAG AG C CCAA GGUUACAC A UUCCU CUUC UC G GGUU CCGAUGUG U CCACCGCUGUCGACCACUGG^ UC- G C - CGAGA GGUAUAA . 110 100 90 80 70 60