10 20 30 40 50 UUCACAAUCUCACAUUC--| U CA UUUGCAU UGAGAGCCUUC GAGUUUUAUCAUA UGGAUAA \ ACUUUCGGAAG CUCAAAAUAGUAU ACCUAUU U UGUAAUAAAUCCACGUGAA^ U AC UUGAGUA 110 100 90 80 70 60