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.
Summary of RRE IIB footprinting studies. (Open circles) Nucleotides that were found to be protected in two different footprinting methods. Protection observed in lead acetate and RNAse A footprinting experiments. (Filled circles) Nucleotides appeared protected in all three footprinting methods. Protection observed in RNAse T1 footprinting experiments. (Arrows) Enhancement of cleavage observed in lead acetate and RNAse A footprinting experiments.
