10 20 30 40 50 AUACAUUAAUGAGAACUGU-- AAA A -| U UGUGUAU UGUGCAGGA UG CCUAU GAA UGACAGAC U ACACGUCUU AC GGAUG CUU ACUGUCUG C AACCUUAGUCUCGUCACUUCC AUA C U^ U UUCGAAU . 110 100 90 80 70 60