10 20 30 40 50 AGGCAGCAGCGGCUCUU--| C - AC U UGCUGGC CCUCG GG CCCUGUCUCCCA CCU GUACCAG \ GGGGC CC GGGACGGGGGGU GGA CAUGGUC C ACCGGACGACCACGGGCCA^ - A CC - CCAGACU 110 100 90 80 70 60