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.
Top (upper) and side (lower) view of the spatial arrangement of chla molecules in the PSI core of Synechococcus elongatus, as derived from the 2.5 Å structural model. The gray molecules represent the antenna chls whereas the black molecules represent the chls in the RC. For clarity the phytol tails of the molecules have been omitted.
