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.
Structural comparison of various TIR domains. (A) Superposition of the structures of the bacterial TIR domain (magenta), the plant TIR domain (green), and the human TIR domains (gray). (B) The conserved structural core of the superimposed TIR domains shown in (A).