An official website of the United States government
Here's how you know
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.
(A) Stereoview of the wt EcPurE active site bound to NO2-AIR with Fo-Fc density (2σ) shown. (B) Stereoview of H45Q EcPurE active site bound to CAIR with Fo-Fc density (2σ) shown.