10 20 30 40 50 60 UCUCGCUGUGUGACCGU---| C C C C G UC G CUCAUCU GGG GAGUCA GC CC UCUCUGG CC CU UUUC \ CCC UUCAGU UG GG AGAGAUC GG GA AAGG G NNNNNNNNNNNNNNNNNCCU^ - C U U A UU - GUAAAAU 120 110 100 90 80 70