10            20        30         40        50        60        70        
AAAAAAGAACGAUAUAA----|  U   AGUU  U       U-             UUGUGAAAAAAAAAGAAUUAAAAUU 
                     UCA GCG    UG GGGUGGA  AUGCUCGGUGGUG                         C
                     AGU CGC    AC CCCACUU  UGUGGGCCACUAC                         U
AAGAAUUGUUUUCUACUGAAU^  U   GC--  U       UU             UAUAAGAGUUGAUCUAAAGAGAUAC 
       150       140       130         120       110       100        90        80