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.
U20 expressed by PMF contour levels. PCA axis numbers are given near the axes. (A) Overview of U20. β-Hairpin conformations picked from each β-hairpin cluster in U20 are shown in an inset. A fully extended strand found at the tail end of U20. (B) Side view of A.
