10         20          30        40        50        
CGCACGCCCCGCCCCCG-   -  CCA-| ACA         UUC          GUGGG 
                  CGU CU    GG   ACCGUGGCU   GAUUGUUACU     A
                  GCA GA    CC   UGGUACCGA   CUGACAAUGG     A
GCACCGCGCCGCGCACCC   C  CGCC^ GC-         CAU          AGGCC 
      110       100        90         80        70        60