10 20 30 40 50 CACGUUCAUUUUGAAUC--| A G A UA U G GGAACA GGUCU AC UA CUCGUG ACAGU CU AAGCCU \ UCGGA UG AU GGGCAC UGUCA GA UUUGGA U UUUUUAGUACUACAAACGU^ G A C CC - A GCAGUU 110 100 90 80 70 60