10            20        30        40        50        
UCUGGAAAAACCUAUGU----|     U     UU            C        GUCUC 
                     GUAUCC CAGCU  GAGAACUGAAUU CAUGGGUC     A
                     UAUAGG GUCGA  UUCUUGACUUGA GUGUCCAG     G
GAGUCCAGGCACUACUGUCUC^     -     C-            A        ACUGU 
      110       100         90         80        70        60