At the top, we have the green band. Somewhere in the middle, or somewhere on the bottom, we have this purple band. And somewhere in the middle, we have our orange band. So this band is the collection of these green proteins. This band is the collection of these intermediate proteins, and this band is a collection of these very tiny proteins. And although each and every individual protein will follow its own unique pathway through these channels and pores, because their rates will be exactly the same.