10 20 30 40 50 UCUUUCCCCUCACGGAU--| G AG U CCU AGC UGUCACA GC UGC UCG UG UUACCAGACA UUAGA \ CG ACG AGC GC AAUGGUCUGU AAUCU G ACAUAUCUUCUACGGUAGG^ A GA U UGU CAU CUAAAGU . 110 100 90 80 70