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.
Metal site structure of K. oxytoca Ni-ARD (PDB code 1ZRR), showing the His3Glu coordination of the metal site and the two cis-aqua ligands in the positions used in binding substrate. The nickel ion is represented in gray, while CPK coloring is used for all other atoms. WAT = solvent molecules.
