Photosystem II
From Proteopedia
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Background
Photosystem II, crystallized from the bacteria, Thermosynechococcus elongatus, at 3.50 Å, is representative of the photosynthetic protein found in cyanobacteria and plants. The protein is associated with a variety of ligands. It is mainly composed of and is a symmetrical . Fifteen subunits are in each monomer, with multiple subunits associated with the oxygen evolving complex missing from this crystallization. Photosystem II is a membrane bound protein found in the thylakoid membrane of chloroplasts. Analysis of residues orients the protein within the membrane.
Photosynthesis
surround Photosystem II and capture energy from sunlight, exciting electrons. These electrons are first transferred to
References
Ferreira, K.N., Iverson, T.M., Maghlaoui, K., Barber, J., Iwata, S. "Architecture of the photosynthetic oxygen-evolving center." Science, March 19, 2004, 303 (5665), 1782-4.
Garrett, R.H., Grisham, C.M. Biochemistry, 3rd Edition. Belmont, CA: Thomson Brooks/ Cole, 2005.
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Emily Forschler, Michal Harel, Ilan Samish, Alexander Berchansky, Eric Martz, Jaime Prilusky, Eran Hodis, Joel L. Sussman, David Canner, Karl Oberholser
