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.
The NS2B and NS3 domains are presented as surface form (blue area = NS2B, red area = NS3pro). Insets are the two ligands that bound to the NS2B, instead of NS3pro.
