10 20 30 40 50 CUCGGGCACUUCGCUUU-- -| C - G U C UGUGGU CC AGAUGC UGG CAGU CAGAGGG GGUGAG AUGC \ GG UCUGCG ACC GUCA GUCUCUU CCACUC UAUG C CCGACCCAGCUUCGUCUCA A^ - U - U - AGCUCU . 110 100 90 80 70