Fig. 6.
A comparison of the outward orientation (green) and inward orientation (blue) of the G15–A18 basepair in the GAAA tetraloop
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.