10 20 30 40 50 GUGCCUUGCACAUGUUU--| U AAGC- UCUGA U GGUGACU UG GG AAUUCGGGGUUUC GCAUU UC \ GC CC UUAAGUCCUAAAG CGUAA AG A CGUGUACCUAUCGACUGAA^ - GCAAA UUUCC U CAAGUUU . 110 100 90 80 70