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.
Multiple alignment of PhoQ (top) and StpA and HNS (bottom) proteins from all published Salmonella sequences and other organisms as indicated.
