Queried GO term:

  idGO:0016790   Detailed information
  namethiolester hydrolase activity
  def"Catalysis of the reaction: RCO-SR' + H2O = RCOOH + HSR'. This reaction is the hydrolysis of a thiolester bond, an ester formed from a carboxylic acid and a thiol (i.e., RCO-SR'), such as that found in acetyl-coenzyme A." [http://www.onelook.com]
  is_aGO:0016788 ! hydrolase activity, acting on ester bonds

No monarch genes has the input GO term: GO:0016790.