10 20 30 40 50 UUGAAGCGAAUGAUGUC--| UCA C C UUCCAAC UUAUUUUACC ACGUUUCA UUA AGAUCUUU U AGUAAGGUGG UGUAAAGU AGU UCUAGAAA A UAGUUGAAUGUGCUCACCA^ UGG A C UUUAAGA . 110 100 90 80 70 60