10         20         30        40        50        60 
GCCAUCCGAAUCCCUAC-      GC-|   U            G  AU       GUGAUC 
                  CGGGCA   GAAU ACUUGGGCCAAG GA  GCAAACU      A
                  GCCUGU   UUUA UGAAUUCGGUUU CU  UGUUUGA      U
UGGUGCACCGCGAAAUCA      ACU^   U            G  --       AAGCCC 
120       110       100        90        80          70