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.
Virtual site hybrid scheme of a ternary membrane. DPPC, DLiPC, and cholesterol are represented by green, red, and magenta, respectively. The water is rendered by the transparent surface and the virtual sites on AA resolution are not shown for clarity.
