sentences:  In addition, the sulfonamide functional group can also mimic the transition state structure.Evidence of boronic acid mimics as transition state analogue inhibitors of human arginase I was elucidated by x-ray crystal structures.Owen Cleary
  
  Owen Jenks Cleary (February 4, 1900 – September 10, 1961) was a politician from the U.S. state of Michigan.