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 seven-transmembrance domains are identified with roman numbers. Amino acid numbering is given on the right of the alignment. Gaps in the alignment are indicated by a dash.
