10 20 30 40 50 60 UCGACCUCGUUCCGUCU--| U GG UC G UUGUAUU GAUGGAU CUGAA GGGAAA CUGUACGCU UAUG U UUACUUG GGCUU CCCUUU GAUAUGCGA AUAC G AACGACGACGACUACAUUG^ C A- UC - CUAAUAA 120 110 100 90 80 70