10 20 30 40 50 UUCUUCGUGGACACAGGU- C - A--| U A CCUUUC GGGCAC CU CUGGGCUUUCUG UGGG GAAA GC U UCCGUG GA GACUCGGAAGAU ACCC CUUU CG U GCUCCAGUCCUUCACUGUU U G GAG^ - - GGCCCG . 110 100 90 80 70 60