Figure 1.
The GAAA tetraloop-receptor system. The GAAA tetraloop and the receptor are connected by a U7 single-stranded linker. (a) The undocked state; (b) The docked state; (c) The definition of the structure parameters θ and φ.
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.