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.
Active site of the zinc-bound Q46H variant (PDB code 4WCM). A, zinc ligands are colored white; m-DAP is in yellow; phosphate is in orange; other residues interacting with the phosphate are colored blue; and phosphate interactions are shown as dotted lines. B, omit Fo − Fc difference density map contoured at 3 σ showing density for a bound phosphate.
