10 20 30 40 50 60
GUGACAGAAGAGACAAG--| A CA U U AGUAGAUGGUUU
GUUC GGGGCUUU AGUCACUAG GGU CCGUUU \
CGAG CCCCGAAA UCAGUGAUC CCG GGUAAA U
ACGAAGUGACUACUACGAC^ A CA - U ACUUUGUUACGU
. 120 110 100 90 80 70