10 20 30 40 50 UCCAGUGGAGAAAAAUU--| UC G C U UUAUCA CAC UG UG UUUAUGGCUUUU AUUCCUAUGUGA \ GUG GC AU AAGUACCGAAGG UAGGGAUGUACU U GCAGAAUCUUCCAAAAAAA^ UU A A - CUGAAA . 110 100 90 80 70