Before revision:  Hydrolysis is known to regulate the dynamics of other tubulin polymers like microtubules . We find that the presence of the ring allows for an additional mechanism for regulating the dynamics of FtsZ polymers.
After revision:  Hydrolysis is known to regulate the dynamics of other tubulin polymers like microtubules , we find that the presence of the ring allows for an additional mechanism for regulating the dynamics of FtsZ polymers.