Where Water Is Oxidized to Dioxygen: Structure of the Photosynthetic Mn4Ca Cluster. Yano, J., Kern, J., Sauer, K., Latimer, M. J., Pushkar, Y., Biesiadka, J., Loll, B., Saenger, W., Messinger, J., Zouni, A., & Yachandra, V. K. Science, 314(5800):821–825, November, 2006. Publisher: American Association for the Advancement of Science
Where Water Is Oxidized to Dioxygen: Structure of the Photosynthetic Mn4Ca Cluster [link]Paper  doi  abstract   bibtex   
The oxidation of water to dioxygen is catalyzed within photosystem II (PSII) by a Mn4Ca cluster, the structure of which remains elusive. Polarized extended x-ray absorption fine structure (EXAFS) measurements on PSII single crystals constrain the Mn4Ca cluster geometry to a set of three similar high-resolution structures. Combining polarized EXAFS and x-ray diffraction data, the cluster was placed within PSII, taking into account the overall trend of the electron density of the metal site and the putative ligands. The structure of the cluster from the present study is unlike either the 3.0 or 3.5 angstrom–resolution x-ray structures or other previously proposed models.
@article{yano_where_2006,
	title = {Where {Water} {Is} {Oxidized} to {Dioxygen}: {Structure} of the {Photosynthetic} {Mn4Ca} {Cluster}},
	volume = {314},
	shorttitle = {Where {Water} {Is} {Oxidized} to {Dioxygen}},
	url = {https://www.science.org/doi/10.1126/science.1128186},
	doi = {10.1126/science.1128186},
	abstract = {The oxidation of water to dioxygen is catalyzed within photosystem II (PSII) by a Mn4Ca cluster, the structure of which remains elusive. Polarized extended x-ray absorption fine structure (EXAFS) measurements on PSII single crystals constrain the Mn4Ca cluster geometry to a set of three similar high-resolution structures. Combining polarized EXAFS and x-ray diffraction data, the cluster was placed within PSII, taking into account the overall trend of the electron density of the metal site and the putative ligands. The structure of the cluster from the present study is unlike either the 3.0 or 3.5 angstrom–resolution x-ray structures or other previously proposed models.},
	number = {5800},
	urldate = {2024-11-29},
	journal = {Science},
	author = {Yano, Junko and Kern, Jan and Sauer, Kenneth and Latimer, Matthew J. and Pushkar, Yulia and Biesiadka, Jacek and Loll, Bernhard and Saenger, Wolfram and Messinger, Johannes and Zouni, Athina and Yachandra, Vittal K.},
	month = nov,
	year = {2006},
	note = {Publisher: American Association for the Advancement of Science},
	pages = {821--825},
}

Downloads: 0