10          20        30        40        50        60  
AAAUUCAUAGGAAGAUGUU--|       A  CU   CA     A      A    GUCAUGU 
                     CACAGGCU UA  UGG  CUGGU GAAUUC CUGA       \
                     GUGUUUGA AU  ACC  GACCA CUUAGG GACU       U
ACUGACUGACAUCUAAACGGC^       G  UU   UG     -      -    GAUCAUA 
 120       110       100        90        80          70