Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cartoon of three different FtsZ suprastructures. (A) Straight filaments. (B) Helical filaments. (C) Toroids. Blue and red subunits illustrate two different conformations of the monomer. The transformation between the different supramolecular structures is caused by changes between the bistable conformations, due to a shift of local conditions (pH or ions). The inner diameter of rings and toroids is ∼200 nm, which could be an energy minimized state during Z-ring constriction.
