10 20 30 40 50 UUCUCAUGGUGGUUGCU--| UGUC C A GUCCA GGCUGCUG UCAGUU UCACAGUGCUG UGCU U CUGACGGC AGUCAA AGUGUCAUGAC AUGG U GUGAGGCGCCUCGGGUCCG^ UGAA U - AAAUG 110 100 90 80 70 60