10 20 30 40 50 CUGCCCCUGGGCUACUG--| UG C U CC C CUGAC CUG CUUGCCU GCG CGAGCC ACG ACAAGAC \ GAC GGACGGA UGC GCUCGG UGC UGUUUUG G GGUACGGAAGCGUCUAUCC^ CU U - CU U UAAGU 110 100 90 80 70 60