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.
Labels are indicated by black color. Individual α-helices are indicated by distinct colors: α1, magenta; α2, green; α3, cornflower blue; α4, brown; α5, pink; α6, orange red and α7, olive. Loop regions and β-sheets are indicated by gold color.
