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Crystal structure of the Psb27 assembly factor at 1.6: implications for binding to Photosystem II
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SYSNO ASEP 0388577 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Crystal structure of the Psb27 assembly factor at 1.6: implications for binding to Photosystem II Author(s) Michoux, F. (GB)
Takasaka, K. (GB)
Boehm, M. (GB)
Komenda, Josef (MBU-M) RID, ORCID
Nixon, P. J. (GB)
Murray, J. W. (GB)Source Title Photosynthesis Research. - : Springer - ISSN 0166-8595
Roč. 110, č. 3 (2012), s. 169-175Number of pages 7 s. Language eng - English Country NL - Netherlands Keywords Monomeric and dimeric photosystem II ; Assembly ; Repair Subject RIV EE - Microbiology, Virology R&D Projects GAP501/11/0377 GA ČR - Czech Science Foundation (CSF) ED2.1.00/03.0110 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support MBU-M - RVO:61388971 UT WOS 000299507400002 DOI https://doi.org/10.1007/s11120-011-9712-7 Annotation The biogenesis and oxygen-evolving activity of cyanobacterial Photosystem II (PSII) is dependent on a number of accessory proteins not found in the crystallised dimeric complex. These include Psb27, a small lipoprotein attached to the lumenal side of PSII, which has been assigned a role in regulating the assembly of the Mn(4)Ca cluster catalysing water oxidation. To gain a better understanding of Psb27, we have determined in this study the crystal structure of the soluble domain of Psb27 from Thermosynechococcus elongatus to a resolution of 1.6 . The structure is a four-helix bundle, similar to the recently published solution structures of Psb27 from Synechocystis PCC 6803 obtained by nuclear magnetic resonance (NMR) spectroscopy. Importantly, the crystal structure presented here helps us resolve the differences between the NMR-derived structural models. Potential binding sites for Psb27 within PSII are discussed in light of recent biochemical data in the literature Workplace Institute of Microbiology Contact Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231 Year of Publishing 2013
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