Kok, B., Forbush, B. & McGloin, M. Cooperation of charges in photosynthetic oxygen evolution. I. A linear four step mechanism. Photochem. Photobiol. 11, 457–475 (1970)
Joliot, P. Period-four oscillations of the flash-induced oxygen formation in photosynthesis. Photosynth. Res. 76, 65–72 (2003)
Zouni, A. et al. Crystal structure of photosystem II from Synechococcus elongatus at 3.8 Å resolution. Nature 409, 739–743 (2001)
Article ADS CAS Google Scholar
Ferreira, K. N., Iverson, T. M., Maghlaoui, K., Barber, J. & Iwata, S. Architecture of the photosynthetic oxygen-evolving center. Science 303, 1831–1838 (2004)
Article ADS CAS Google Scholar
Guskov, A. et al. Cyanobacterial photosystem II at 2.9 Å resolution and role of quinones, lipids, channels and chloride. Nature Struct. Mol. Biol. 16, 334–342 (2009)
Kamiya, N. & Shen, J.-R. Crystal structure of oxygen-evolving photosystem II from Thermosynechococcus vulcanus at 3.7-Å resolution. Proc. Natl Acad. Sci. USA 100, 98–103 (2003)
Article ADS CAS Google Scholar
Kawakami, K., Iwai, M., Ikeuchi, M., Kamiya, N. & Shen, J.-R. Location of PsbY in oxygen-evolving photosystem II revealed by mutagenesis and X-ray crystallography. FEBS Lett. 581, 4983–4987 (2007)
Broser, M. et al. Crystal structure of monomeric photosystem II from Thermosynechococcus elongatus at 3.6 Å resolution. J. Biol. Chem. 285, 26255–26262 (2010)
De Paula, J. C., Beck, W. F. & Brudvig, G. W. Magnetic properties of manganese in the photosynthetic O2-evolving complex. 2. Evidence for a manganese tetramer. J. Am. Chem. Soc. 108, 4002–4009 (1986)
Carrell, G. & Tyryshkin, A. M. &. Dismukes, G. C. An evaluation of structural models for the photosynthetic water-oxidizing complex derived from spectroscopic and X-ray diffraction signatures. J. Biol. Inorg. Chem. 7, 2–22 (2002)
Vincent, J. B. & Christou, G. A molecular ‘double-pivot’ mechanism for water oxidation. Inorg. Chim. Acta 136, L41–L43 (1987)
Peloquin, J. M. & Britt, R. D. EPR/ENDOR characterization of the physical and electronic structure of the OEC Mn cluster. Biochim. Biophys. Acta 1503, 96–111 (2001)
Robblee, J. H., Cince, R. M. & Yachandra, V. K. X-ray spectroscopy-based structure of the Mn cluster and mechanism of photosynthetic oxygen evolution. Biochim. Biophys. Acta 1503, 7–23 (2001)
Zein, S. et al. Focusing the view on nature’s water-splitting catalyst. Phil. Trans. R. Soc. B 363, 1167–1177 (2008)
Nixon, P. J. & Diner, B. Analysis of water-oxidation mutants constructed in the cyanobacterium Synechocystis sp. PCC 6803. Biochem. Soc. Trans. 22, 338–343 (1994)
Chu, H.-A., Nguyne, A. P. & Debus, R. J. Amino acid residues that influence the binding of manganese or calcium to Photosystem II. 1. The lumenal inter-helical domains of the D1 polypeptide. Biochemistry 34, 5839–5858 (1995)
Hwang, H. J., Dilbeck, P., Debus, R. J. & Burnap, R. L. Mutation of arginine 357 of the CP43 protein of photosystem II severely impairs the catalytic S-state cycle of the H2O oxidation complex. Biochemistry 46, 11987–11997 (2007)
Debus, R. J. Protein ligation of the photosynthetic oxygen-evolving center. Coord. Chem. Rev. 252, 244–258 (2008)
Service, R. J., Hillier, W. & Debus, R. J. Evidence from FTIR difference spectroscopy of an extensive network of hydrogen bonds near the oxygen-evolving Mn4Ca cluster of photosystem II involving D1-Glu65, D2-Glu312, and D1-Glu329. Biochemistry 49, 6655–6669 (2010)
Murray, J. W. & Barber, J. Structural characteristics of channels and pathways in photosystem II including the identification of an oxygen channel. J. Struct. Biol. 159, 228–237 (2007)
Ho, F. M. & Styring, S. Access channels and methanol binding site to the CaMn4 cluster in Photosystem II based on solvent accessibility simulation, with implications for substrate water access. Biochim. Biophys. Acta 1777, 140–153 (2008)
Zhang, C. Low-barrier hydrogen bond plays key role in active photosystem II—A new model for photosynthetic water oxidation. Biochim. Biophys. Acta 1767, 493–499 (2007)
Hoganson, C. W. & Babcock, G. T. A metalloradical mechanism for the generation of oxygen from water in photosynthesis. Science 277, 1953–1956 (1997)
Tommos, C. & Babcock, G. T. Proton and hydrogen currents in photosynthetic water oxidation. Biochim. Biophys. Acta 1458, 199–219 (2000)
Hays, A.-M. A., Vassiliev, I. R., Golbeck, J. H. & Debus, R. J. Role of D1-His190 in the proton-coupled oxidation of tyrosine YZ in manganese-depleted photosystem II. Biochemistry 38, 11851–11865 (1999)
Murray, J. W. et al. X-ray crystallography identifies two chloride binding sites in the oxygen evolving centre of photosystem II. Energy Environ. Sci. 1, 161–166 (2008)
Kawakami, K., Umena, Y., Kamiya, N. & Shen, J.-R. Location of chloride and its possible functions in oxygen-evolving photosystem II revealed by X-ray crystallography. Proc. Natl Acad. Sci. USA 106, 8567–8572 (2009)
Article ADS CAS Google Scholar
Burrel, J. W. K., Jackman, L. M. & Weedon, B. L. C. Stereochemistry and synthesis of phytol, geraniol, and nerol. Proc. Chem. Soc. 1959, 263–264 (1959)
Crabbe, P., Djerassi, C., Eisenbraun, E. J. & Liu, S. Optical rotatory dispersion studies. XXIX. Absolute configuration of phytol. Proc. Chem. Soc. 1959, 264–265 (1959)
Vasil’ev, S., Orth, P., Zouni, A., Owens, T. G. & Bruce, D. Excited-state dynamics in photosystem II: Insights from the x-ray crystal structure. Proc. Natl Acad. Sci. USA 98, 8602–8607 (2001)
Shen, J.-R. & Inoue, Y. Binding and functional properties of two new extrinsic components, cytochrome c-550 and a 12 kDa protein, in cyanobacterial photosystem II. Biochemistry 32, 1825–1832 (1993)
Shen, J.-R. & Kamiya, N. Crystallization and the crystal properties of the oxygen-evolving photosystem II from Synechococcus vulcanus . Biochemistry 39, 14739–14744 (2000)
Yano, J. et al. X-ray damage to the Mn4Ca complex in single crystals of photosystem II: a case study for metalloprotein crystallography. Proc. Natl Acad. Sci. USA 102, 12047–12052 (2005)
Article ADS CAS Google Scholar
Cruickshank, D. W. J. Remarks about protein structure precision. Acta Crystallogr. D 55, 583–601 (1999)
Kabsch, W. Automatic processing of rotation diffraction data from crystals of initially unknown symmetry and cell constants. J. Appl. Crystallogr. 26, 795–800 (1993)
Otwinowski, Z. & Minor, M. Processing of X-ray diffraction data collected in oscillation mode. Methods Enzymol. 276, 307–326 (1997)
Brünger, A. T. et al. Crystallography & NMR system: a new software suite for macromolecular structure determination. Acta Crystallogr. D 54, 905–921 (1998)
Collaborative Computational Project, Number 4 . The CCP4 suite: programs for protein crystallography. Acta Crystallogr. D 50, 760–763 (1994)
Emsley, P., Lohkamp, B., Scott, W. G. & Cowtan, K. Features and development of Coot. Acta Crystallogr. D 66, 486–501 (2010)
Daopin, S., Davies, D. R., Schlunegger, M. P. & Grütter, M. G. Comparison of two crystal structures of TGF-β2: the accuracy of refined protein structures. Acta Crystallogr. D 50, 85–92 (1994)