10 20 30 40 50 GUGCCUUGCACAUGUUU--| U AAGC- UCUGA U GUGACU UG GG AAUUCGGGGUUUC GCAUU UCG \ GC CC UUAAGUCCUAAAG CGUAA AGC A CGUGUACCUAUCGACUGAA^ - GCAAA UUUCC U AAGUUU . 110 100 90 80 70