10 20 30 40 50 GUGACACCUAAAUAUGU--| CG U C AGGUG GAGUGAAAAGUUC UCAACCA CCAG UGUUUG A UUCAUUUUUUAAG AGUUGGU GGUC ACAAAC U AGGUUUUAUAGGUCUCUGG^ AG U U AAACG 110 100 90 80 70 60