10            20        30        40        50        60  
GAUGUGGUCACUGUACU----| CAUCU    CGA          A     UU     UUUCUUG 
                     GC     UUCG   GAUAUGUUUG UAUUG  GGUGG       \
                     CG     AAGC   CUGUACAAAC AUAAC  CCACU       U
AAUAUUAUUAGCACAACACAU^ AAC--    UCA          C     --     CUAUAGC 
 120       110       100          90        80          70