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.
Secondary structure (60) of the S1-C2z system at (A) 298 K and (B) 398 K. Shaded representation indicates extended β-strand regions, and open representation indicates coil. Helical segments shown in solid representation are boxed. Peptides AB1/AB2 and AB11/AB12 form the top and bottom layers of the protofilaments, respectively.
