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 omit maps displaying the electron densities of the ligands and surrounding amino acids. The ligands are shown in red, the heavy chain residues in green, and the light chain in blue. (A) METH and surrounding five residues. The map is computed at 1.9 Å resolution and the contours are drawn at 2.7σ level (B) MDMA and surrounding residues. The map is computed at 2.4 Å and the contours are drawn at 2.7σ level.
