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.
X-ray structure of E. coli AdK cocrystallized with AP4A. (A) Two ADP molecules modeled into the ligand electron density. The Fo-Fc omit electron density map (blue) is contoured at 3 σ. (B) Magnification of the β-phosphate group of ADP with an exemplary O–P–O angle and distances.
