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.
MD models of each crystal equilibrated in a water box as a transition-state-mimic with Mg2+ bound at each ribozyme's C-site. Color-coding corresponds to Figure 7, where the general base guanine is gray. The γ, β2, and δ interactions are labeled with red dashed lines.
