10          20        30        40        50          
UUUUUUUUGACACUCGU--|  C   C    A          CU       A  UUAUGAU 
                   GGA AUA UUUG UUUAGAAUUC  ACGCUUU CC       \
                   CCU UGU AAAC AAGUCUUAGG  UGCGAAA GG       C
CACGUUAGCAACUUAAUCU^  C   U    A          UU       C  UUAAAGU 
 .       110       100        90        80        70