10         20         30        40        50         
GAUUAUGGCUUCAGAAU-     UGC-|      A        AG         CUUUUU 
                  UCAGU    AGUUCAA UUGACUCU  UAGGGAGUC      A
                  AGUCG    UUAAGUU GACUGAGG  AUCCCUCAG      A
UACUAUAGCAACAAUUCG     UUCA^      A        CA         CGAGUC 
.       110       100        90        80        70        60