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.
An X-ray crystal structure of an H-NOX protein following xenon pressurization shows an interior tunnel network. The tunnels mediate gas diffusion to the buried heme site and influence the gas-binding properties of the heme. Xenon atoms are in light blue. The heme cofactor is in gray.
