10 20 30 40 50 CUUUUCCGGUUUGUCUU--| U G U U CGUGAU UGGUAUU AAAA GUGGAUUUUCCU CUAUG UUA \ ACUAUGA UUUU UACCUAAAAGGA GAUAC AAU U UCCGAAGCUCUCGUCGUAA^ C G - U UGGUCG 110 100 90 80 70 60