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.
Comparison of interactions in the IBM-binding cleft. (a) Superposition of cIAP2 BIR3 (green/yellow) with XIAP BIR3 (brown/white). (b) Superposition of NAIP BIR2 (blue/light blue) with XIAP BIR2 (pink) bound to the N-terminus of the processed caspase-3 small domain (sand).
