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.
Organization of B850 Bchlas in the LH2 from
Rhodopseudomonas acidophila. The 18 Bchla
molecules, which from the B850 ring can be seen, edge on, are arranged
between the transmembrane α-helices of the α-apoprotein (inner) and
β-apoprotein (outer).