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.
Docking study. Carfentanil (3) in green bound to the MOR in the activated state (key residues depicted in white) and ‘carba’-carfentanil (trans) (8b) in magenta bound to the MOR in the activated state (key residues depicted in yellow). Asp147 depicted in red.