10 20 30 40 50
GUCGACAAGAUUGGAAA----| GAA G A AGUCGUU
GGUUC UGGUUUCG GAAUA CGGUAUAAUGC U
CCAAG AUCAGAGC CUUAU GUCGUAUUAUG U
CAUGUUAGGCGGUACAACUAC^ A-- A C CGAACAU
. 110 100 90 80 70 60