_:b663954741 "A 'has effector activity' B if A and B are GO molecular functions (GO_0003674), A 'has component activity' B and B is the effector (output function) of B. Each compound function has only one effector activity." . _:b663954741 . _:b663954741 . _:b663954741 . _:b663954741 . _:b663954741 . _:b663954741 .