10 20 30 40 50 UACUAUCUUCGUAGAGU--| C AC C U GUCUAAA CGC GUGUCCA UUGUGA CGUAG AAUGGGCAU \ GUG CGUAGGU AACACU GCAUU UUACUCGUA A UUAUCCGUUUCUUCAUAAC^ C AA U U CUCUAAA . 110 100 90 80 70