10 20 30 40 50 60 CUGGAAACUUCUGUCCU- C G U-| UAC AGA- GCUAU GGCUC CCCU UC AAUCCUUGC CUGGGUG GU \ CCGAG GGGA AG UUAGGAACG GACCCAC CG C ACAAGAGGUGCGUCUCCU U G UC^ --- GUGA UAAGU . 110 100 90 80 70