10 20 30 40 50 60 GCUCUGAUCUUGUAAAU--| U AA GU G A CUUUGC GC AAGCACUUAC CU UUGCAGA GA ACUGAGA \ CG UUCGUGAAUG GA AACGUCU CU UGACUCU A AUAGGAGAGUUCCCCGAAC^ U AA -- A C GUAUCA . 110 100 90 80 70