10 20 30 40 50 UCUUGCAGAUGGAGCUGC---| CU G - - G A GAUGU UCACC GUGG C CUCAAAUGU G AGCACU UUCU \ AGUGG CACU G GAGUUUACA C UCGUGA AAGG C GCCGUAGGCAACUAUACCCGC^ C- - C G G - UGAAC 110 100 90 80 70 60