10 20 30 40 50 GGUCAGACUCACCGGCU--| C C U U U UUUGU CCGCACUUGC UGACGC GAGCC GACG GCAA GC \ GGCGUGGACG AUUGCG CUCGG UUGC UGUU UG G GGGUGUCUGUCGUCUGUUC^ A - C U U CAACU 110 100 90 80 70 60