10 20 30 40 50 60 CCGGCUCGCCUCCGUGG---| C A ACA- U C C GCUAACACCG UCAG GC UCA CC UGGCU UAGACUG UUACU \ GGUC CG AGU GG ACUGA AUCUGAC AAUGA C CAGUGCGUCCGUCUCCAAAC^ - C CAUC U C - CAUGAAGUCU 120 110 100 90 80 70