FIG 1.
Control of polyphosphate abundance in E. coli. Polyphosphate is synthesized by polyphosphate kinase (PPK) and broken down by polyphosphate phosphatase (PPX). (p)ppGpp influences the abundance of polyphosphate by inhibiting PPX activity.
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.