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.
Negative stain electron micrographs for β2AR purified in DDM (a), MNA-C13 (b) and MNA-C14 (c). Individual samples (3 μL) were stained with 1.0 wt.% uranyl formate for the electron micrographs. A number of large particles present in (a) indicate occurrence of receptor aggregation in the DDM sample. Some large particles as representatives were indicated by open circles.
