10 20 30 40 50 UUUUUGGAGUCGUUUGGU CU--| GC U A GUGUG CC UUCU GCAGGUUGGGAU GGU GCAAUGCU U GG AGGA UGUCCGGCCCUG UCA CGUUAUGG U UAAACACCCCAUGUUAGA UGUU^ AA U - AAGUU 110 100 90 80 70 60