10        20           30        40        50          
GUUCCAGGCUGUGGAUGGACC---| UC    A  G   A         UA     UCUGAU 
                        CG  CUCC GU CCU CUGAGCUGA  UCAGU      \
                        GC  GAGG CA GGA GACUUGACU  GGUCA      U
CCAUGUAGAAAAACGAAACCCCGA^ U-    A  A   C         C-     UACAUU 
.       110       100         90        80         70