10           20        30        40        50        60  
UCAAGGAAAAGUGUUUGA---|   A C     U        UCC            UGGUCAC 
                     UGGA G UUCCU AAGUAGUA   AUUAAAGGGUUG       \
                     ACCU C AAGGA UUCAUCAU   UAGUUUUCCAAC       A
GAUUAAUUACAACUGAAACUG^   - U     U        U--            UAGAAUA 
 120       110       100         90          80        70