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.
Overview of HIV‐1 RT/aptamer complex. A. HIV‐1 RT p66/p51 heterodimer (gray) shown with DNA aptamer colored in green. The first duplex DNA base pair is located at the polymerase active site and the aptamer hairpin residues are located near the RNase H active site. B. Representative electron density for the aptamer shown centered on the polymerase active site region.
