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.
Predicted topology of DAT showing 12 putative membrane-spanning segments. The predicted positions of the 13 endogenous cysteines are shown. The cysteines in the second extracellular loop between M3 and M4 are thought to be disulfide bonded in the dopamine transporter and the serotonin transporter (see text).
