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.
Compounds 4 (pink), 8 (blue) and 9 (cyan), docked into the active sites of RacE1 (a) and RacE2 (b) using GOLD. A152 in RacE1 causes the opening to the active site to be less sterically hindered than RacE2, which has V149 at the corresponding position.
