1v2b

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[[Image:1v2b.gif|left|200px]]
 
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==Crystal Structure of PsbP Protein in the Oxygen-Evolving Complex of Photosystem II from Higher Plants==
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The line below this paragraph, containing "STRUCTURE_1v2b", creates the "Structure Box" on the page.
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<StructureSection load='1v2b' size='340' side='right'caption='[[1v2b]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1v2b]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Nicotiana_tabacum Nicotiana tabacum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1V2B OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1V2B FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1v2b| PDB=1v2b | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1v2b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1v2b OCA], [https://pdbe.org/1v2b PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1v2b RCSB], [https://www.ebi.ac.uk/pdbsum/1v2b PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1v2b ProSAT], [https://www.topsan.org/Proteins/RSGI/1v2b TOPSAN]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PSBP2_TOBAC PSBP2_TOBAC] May be involved in the regulation of photosystem II.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/v2/1v2b_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1v2b ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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PsbP is a membrane-extrinsic subunit of the water-oxidizing complex photosystem II (PS II). The evolutionary origin of PsbP has long been a mystery because it specifically exists in higher plants and green algae but not in cyanobacteria. We report here the crystal structure of PsbP from Nicotiana tabacum at a resolution of 1.6 A. Its structure is mainly composed of beta-sheet, and is not similar to any structures in cyanobacterial PS II. However, the electrostatic surface potential of PsbP is similar to that of cyanobacterial PsbV (cyt c(550)), which has a function similar to PsbP. A structural homology search with the DALI algorithm indicated that the folding of PsbP is very similar to that of Mog1p, a regulatory protein for the nuclear transport of Ran GTPase. The structure of PsbP provides insight into its novel function in GTP-regulated metabolism in PS II.
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'''Crystal Structure of PsbP Protein in the Oxygen-Evolving Complex of Photosystem II from Higher Plants'''
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Crystal structure of the PsbP protein of photosystem II from Nicotiana tabacum.,Ifuku K, Nakatsu T, Kato H, Sato F EMBO Rep. 2004 Apr;5(4):362-7. Epub 2004 Mar 12. PMID:15031714<ref>PMID:15031714</ref>
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==Overview==
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PsbP is a membrane-extrinsic subunit of the water-oxidizing complex photosystem II (PS II). The evolutionary origin of PsbP has long been a mystery because it specifically exists in higher plants and green algae but not in cyanobacteria. We report here the crystal structure of PsbP from Nicotiana tabacum at a resolution of 1.6 A. Its structure is mainly composed of beta-sheet, and is not similar to any structures in cyanobacterial PS II. However, the electrostatic surface potential of PsbP is similar to that of cyanobacterial PsbV (cyt c(550)), which has a function similar to PsbP. A structural homology search with the DALI algorithm indicated that the folding of PsbP is very similar to that of Mog1p, a regulatory protein for the nuclear transport of Ran GTPase. The structure of PsbP provides insight into its novel function in GTP-regulated metabolism in PS II.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1V2B is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Nicotiana_tabacum Nicotiana tabacum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1V2B OCA].
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</div>
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<div class="pdbe-citations 1v2b" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Crystal structure of the PsbP protein of photosystem II from Nicotiana tabacum., Ifuku K, Nakatsu T, Kato H, Sato F, EMBO Rep. 2004 Apr;5(4):362-7. Epub 2004 Mar 12. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15031714 15031714]
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*[[Photosystem II 3D structures|Photosystem II 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Nicotiana tabacum]]
[[Category: Nicotiana tabacum]]
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[[Category: Single protein]]
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[[Category: Ifuku K]]
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[[Category: Ifuku, K.]]
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[[Category: Kato H]]
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[[Category: Kato, H.]]
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[[Category: Nakatsu T]]
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[[Category: Nakatsu, T.]]
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[[Category: Sato F]]
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[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]]
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[[Category: Sato, F.]]
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[[Category: Alpha-beta]]
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[[Category: Riken structural genomics/proteomics initiative]]
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[[Category: Rsgi]]
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[[Category: Structural genomic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 11:59:17 2008''
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Current revision

Crystal Structure of PsbP Protein in the Oxygen-Evolving Complex of Photosystem II from Higher Plants

PDB ID 1v2b

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