10           20         30        40        50         
CGGAGUGUGAACACUGAC---| AUCA   - UG        U        G     GUUCA 
                     CC    CUU U  UCUUUGGU AUCUAGCU UAUGA     U
                     GG    GAA A  GGAAACCA UGGAUCGA AUACU     U
UACAAUGUCACUGCUAAUGCU^ CG--   C GU        U        A     GCAGU 
.       110       100          90        80        70        60