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.
Comparison of the amino acid sequence of β-lactamase OXA-31 to those of OXA-1, OXA-4, and OXA-30. Dashes indicate identical amino acids. The numbering is according to DBL (13). The highlighted boxes indicate conserved regions within class D β-lactamases.
