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[[Image:1v2b.gif|left|200px]]
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{{STRUCTURE_1v2b|  PDB=1v2b  |  SCENE=  }}
'''Crystal Structure of PsbP Protein in the Oxygen-Evolving Complex of Photosystem II from Higher Plants'''


==Crystal Structure of PsbP Protein in the Oxygen-Evolving Complex of Photosystem II from Higher Plants==
<StructureSection load='1v2b' size='340' side='right'caption='[[1v2b]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
<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>
</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>
<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>
<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>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PSBP2_TOBAC PSBP2_TOBAC] May be involved in the regulation of photosystem II.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/v2/1v2b_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.


==Overview==
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>
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.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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].
</div>
<div class="pdbe-citations 1v2b" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
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]
*[[Photosystem II 3D structures|Photosystem II 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Nicotiana tabacum]]
[[Category: Nicotiana tabacum]]
[[Category: Single protein]]
[[Category: Ifuku K]]
[[Category: Ifuku, K.]]
[[Category: Kato H]]
[[Category: Kato, H.]]
[[Category: Nakatsu T]]
[[Category: Nakatsu, T.]]
[[Category: Sato F]]
[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]]
[[Category: Sato, F.]]
[[Category: Alpha-beta]]
[[Category: Riken structural genomics/proteomics initiative]]
[[Category: Rsgi]]
[[Category: Structural genomic]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 11:59:17 2008''

Latest revision as of 23:56, 27 December 2023

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

1v2b, resolution 1.60Å

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