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.
Global architecture of the class I ligase. (a) Secondary structure of the crystallization construct, revised to reflect coaxial stacking and relative orientation of domains. (b) View facing J1/3 single-stranded region. (c) Bottom-up view showing tripod-like architecture of the ribozyme. Adapted from Koldobskaya et al. [7].
