2hhk

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[[Image:2hhk.gif|left|200px]]
 
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{{Structure
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==Reaction centre from Rhodobacter sphaeroides strain R-26.1 complexed with dibrominated phosphatidylglycerol==
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|PDB= 2hhk |SIZE=350|CAPTION= <scene name='initialview01'>2hhk</scene>, resolution 2.50&Aring;
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<StructureSection load='2hhk' size='340' side='right'caption='[[2hhk]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=BCL:BACTERIOCHLOROPHYLL+A'>BCL</scene>, <scene name='pdbligand=BPH:BACTERIOPHEOPHYTIN+A'>BPH</scene>, <scene name='pdbligand=CDL:CARDIOLIPIN'>CDL</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=LDA:LAURYL+DIMETHYLAMINE-N-OXIDE'>LDA</scene>, <scene name='pdbligand=PGK:(1R)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL+(9S,10S)-9,10-DIBROMOOCTADECANOATE'>PGK</scene>, <scene name='pdbligand=PGT:(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL+STEARATE'>PGT</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=U10:UBIQUINONE-10'>U10</scene>
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<table><tr><td colspan='2'>[[2hhk]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Cereibacter_sphaeroides Cereibacter sphaeroides]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HHK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2HHK FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.5&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BCL:BACTERIOCHLOROPHYLL+A'>BCL</scene>, <scene name='pdbligand=BPH:BACTERIOPHEOPHYTIN+A'>BPH</scene>, <scene name='pdbligand=CDL:CARDIOLIPIN'>CDL</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=LDA:LAURYL+DIMETHYLAMINE-N-OXIDE'>LDA</scene>, <scene name='pdbligand=PGK:(1R)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL+(9S,10S)-9,10-DIBROMOOCTADECANOATE'>PGK</scene>, <scene name='pdbligand=PGT:(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL+STEARATE'>PGT</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=U10:UBIQUINONE-10'>U10</scene></td></tr>
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|DOMAIN=
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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=2hhk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hhk OCA], [https://pdbe.org/2hhk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2hhk RCSB], [https://www.ebi.ac.uk/pdbsum/2hhk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2hhk ProSAT]</span></td></tr>
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|RELATEDENTRY=[[2hg3|2HG3]], [[2hg9|2HG9]], [[2hh1|2HH1]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2hhk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hhk OCA], [http://www.ebi.ac.uk/pdbsum/2hhk PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2hhk RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/RCEL_CERSP RCEL_CERSP] The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis.
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== Evolutionary Conservation ==
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'''Reaction centre from Rhodobacter sphaeroides strain R-26.1 complexed with dibrominated phosphatidylglycerol'''
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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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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/hh/2hhk_consurf.spt"</scriptWhenChecked>
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This study describes the use of brominated phospholipids to distinguish between lipid and detergent binding sites on the surface of a typical alpha-helical membrane protein. Reaction centers isolated from Rhodobacter sphaeroides were cocrystallized with added brominated phospholipids. X-ray structural analysis of these crystals has revealed the presence of two lipid binding sites from the characteristic strong X-ray scattering from the bromine atoms. These results demonstrate the usefulness of this approach to mapping lipid binding sites at the surface of membrane proteins.
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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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==About this Structure==
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</jmolCheckbox>
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2HHK is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Rhodobacter_sphaeroides Rhodobacter sphaeroides]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HHK OCA].
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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=2hhk ConSurf].
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<div style="clear:both"></div>
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==Reference==
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__TOC__
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Brominated lipids identify lipid binding sites on the surface of the reaction center from Rhodobacter sphaeroides., Roszak AW, Gardiner AT, Isaacs NW, Cogdell RJ, Biochemistry. 2007 Mar 20;46(11):2909-16. Epub 2007 Feb 23. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17315985 17315985]
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</StructureSection>
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[[Category: Protein complex]]
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[[Category: Cereibacter sphaeroides]]
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[[Category: Rhodobacter sphaeroides]]
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[[Category: Large Structures]]
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[[Category: Cogdell, R J.]]
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[[Category: Cogdell RJ]]
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[[Category: Gardiner, A T.]]
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[[Category: Gardiner AT]]
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[[Category: Isaacs, N W.]]
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[[Category: Isaacs NW]]
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[[Category: Roszak, A W.]]
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[[Category: Roszak AW]]
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[[Category: brominated lipid]]
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[[Category: lipid binding site]]
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[[Category: membrane protein]]
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[[Category: photosynthesis]]
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[[Category: photosynthetic reaction center]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 03:30:31 2008''
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Current revision

Reaction centre from Rhodobacter sphaeroides strain R-26.1 complexed with dibrominated phosphatidylglycerol

PDB ID 2hhk

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OCA

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