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.
Alignment of the deduced amino acid sequences of FOX-1, FOX-2, and FOX-3 β-lactamases. Only amino acid substitutions are reported for FOX-2 and FOX-3. Boldface letters indicate conserved amino acid motifs for the active site of serine β-lactamases and AmpC β-lactamases.
