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.
Interaction between the thigh FG′ loop and β-propeller domain. Views are after superposition of five examples of α4 structures (here and Ref. 11) on the β-propeller (A) and thigh domain (B). Important side chains are shown in stick and hydrogen bonds are dashed. The calcium ion in blade W7 is shown as a sphere.
