An official website of the United States government
Here's how you know
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.
Figure 2. Schematic two-dimensional topology of human β2AR showing location of sites of study.
A total of nine amino acids in single-letter code are highlighted. cysteines are shown in orange and lysines are shown in blue. the numbers indicate positions of the amino acid sequence.