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.
The |Fobs-Fcalc| electron density around the three Trp387 residues of the Trp-ring domain (calculated after simulated annealing with the Trp sidechains omitted), contoured at 3.5 sigma level.
