10 20 30 40 50 60 AUUCGACCACAUUUAGU--| C AA U UA CUAUCAAUC UCGAC GAAAGGU AUAUCAGCUGG AAUUC GG \ AGCUG CUUUUCA UAUAGUCGACU UUAGG CC C ACCGGUUUUUUCCCAAAGG^ C CC - GC UACGUGCUA 120 110 100 90 80 70