10         20         30        40        50        
CAGGAAUUGUCUCUAUU-   GA-|                   A         AUCUG 
                  GCU   GUUGUACUUAUCAAGCGCUU GAACAGUGC     A
                  CGA   CGACAUGAAUAGUUCGUGAA CUUGUCACG     G
AUCUCACGUUCGAGGACA   AGA^                   C         AGCGU 
      110       100        90        80        70        60