During cell division, FtsZ is the first protein to move to the division site, and is essential for recruiting other proteins that produce a new cell wall between the dividing cells. This “scaffold the...During cell division, FtsZ is the first protein to move to the division site, and is essential for recruiting other proteins that produce a new cell wall between the dividing cells. This “scaffold theory” is supported by information that shows that the formation of the ring and localization to the membrane requires the concerted action of a number of accessory proteins.