10 20 30 40 50 UUCGUUGCCGAGAUGAG-- CGUAU C --| U CUAAUG CUC CCGA AACGGCAAAG ACUGU GAUAUG \ GAG GGUU UUGUCGUUUU UGACA CUAUAC U GACUUCCGUUGUUUACUAU ACUUC C UA^ - UAGGAU . 110 100 90 80 70 60