10 20 30 40 50 AAAUAUCAUUUGUGUUGAUUC---| U U C U U CAUAUUA UGAU AC GAUGAUGAU AUGA GA GAAUA \ ACUA UG CUACUACUA UACU CU CUUAU A GUCGCCACCUACUUCUGUCCAACU^ C - A U C AUUUGUG . 110 100 90 80 70