10         20         30         40        50          
CUGUUGUCCACUCCUGG-   CU    C-           -|            AGAGUUCU 
                  UCG  GGUA  UUUCGUUCCAG AGAUGCGUUUACA        \
                  AGC  CCAU  AAAGUAAGGUC UUUACGUAAAUGU        U
UCUCCACAGCUUCUACAC   AC    CA           U^            CUAUAAUG 
120       110       100        90        80        70