10         20         30        40        50         
UCCACCGUUGUUGUUCUC-  -|                         A     AAAAAA 
                   GC GUGGAAAUGGACUGUAUCUUCACUCG AUUUC      C
                   UG UACCUUUACCUGACGUAGAAGUGAGU UAAAG      A
ACGCCACUGACUGCAUAUU  U^                         A     AAAAGA 
.       110       100        90        80        70        60