10 20 30 40 50 GAUCAGUCUCUCUAUGU-- UG --| U U C UAGCA UCUCUG CUUUGA GCU CU UACAGUGUUGC UUG U AGGGAC GAAACU CGG GA AUGUUACGACG AAC G CGUCUCAGGUUCUACGGAC GU AU^ - C - UAGAG . 110 100 90 80 70 60