10 20 30 40 50 AAGGAGGAAUCUCAAUCU--| UG G CA AG U AUUUCUC GGU UA GGGUA GUGAUC GUUACGA GG A UCA AU CCUAU CACUGG CGAUGCU CC A UGGUUUUAACAACGAGAAGC^ GU A AG CU - AACAAUG 110 100 90 80 70 60