10 20 30 40 50 60
UCUCCGUUCUUUUUGGG----| UU UA UU GUAAGGU
CAGUCU GC CUGUAAACAUCC GACUGGAAGCU G
GUCGGA CG GACAUUUGUAGG CUGACUUUCGA U
GCGUCGACCCCUACUGGCACC^ -- GC -- GGAGAGU
120 110 100 90 80 70