This is the P-Glycoprotein found in many cells of the human body. It’s role is to search for toxic molecules and eject them from the cell to be disposed. Using ATP, the P-Glycoprotein targets mostly hydrophobic toxic molecules in its deep opening and then changes shape to allow the molecule to escape outside of the membrane. The protein can target hundreds of toxic molecules from as small as 10 atoms to as large as hundreds of atoms.
In order to artistically portray this protein, one could have two small seesaw shapes with the seats facing each other. The seesaws would shift at the same time to connect on the other side.
So it functions like a trapdoor on a stage, removing the bad actor. Or an ejection seat in James Bond’s car, tossing out the enemy secret agent. A very action-oriented protein indeed!