10 20 30 40 50 CUUGCCCGUGCUGAUGU-- GC UG C -| A GCUUUA UUGA CU AGCAGAGGUUGCC UUG GUGA UUC U AACU GA UUGUUUUCAACGG AAC CACU AAG G UCCAGCAGGGUUCGUCCUA AU GU A A^ - UUGUAU . 110 100 90 80 70 60