10 20 30 40 50 AUAGCGAGGCAUUUCCU-- G AG C -- -| A GUACCG GCUGC GGUC GGCU UGACA GCUA UGCACU CU \ UGACG CCAG CCGA ACUGU CGAU ACGUGA GA C AACUUUCCGGUGCGCGUUG A CU A UA A^ C ACGAGA 120 110 100 90 80 70 60