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<StructureSection load='4cas' size='340' side='right'caption='[[4cas]], [[Resolution|resolution]] 3.50&Aring;' scene=''>
<StructureSection load='4cas' size='340' side='right'caption='[[4cas]], [[Resolution|resolution]] 3.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4cas]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Blastochloris_viridis Blastochloris viridis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4CAS OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=4CAS FirstGlance]. <br>
<table><tr><td colspan='2'>[[4cas]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Blastochloris_viridis Blastochloris viridis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4CAS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4CAS FirstGlance]. <br>
</td></tr><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=BPB:BACTERIOPHEOPHYTIN+B'>BPB</scene>, <scene name='pdbligand=DGA:DIACYL+GLYCEROL'>DGA</scene>, <scene name='pdbligand=FE2:FE+(II)+ION'>FE2</scene>, <scene name='pdbligand=HEC:HEME+C'>HEC</scene>, <scene name='pdbligand=MPG:[(Z)-OCTADEC-9-ENYL]+(2R)-2,3-BIS(OXIDANYL)PROPANOATE'>MPG</scene>, <scene name='pdbligand=MQ7:MENAQUINONE-7'>MQ7</scene>, <scene name='pdbligand=NS5:15-CIS-1,2-DIHYDRONEUROSPORENE'>NS5</scene>, <scene name='pdbligand=OTP:(2E,6E,10E,14E,18E,22E,26E)-3,7,11,15,19,23,27,31-OCTAMETHYLDOTRIACONTA-2,6,10,14,18,22,26,30-OCTAENYL+TRIHYDROGEN+DIPHOSPHATE'>OTP</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
</td></tr><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=BPB:BACTERIOPHEOPHYTIN+B'>BPB</scene>, <scene name='pdbligand=DGA:DIACYL+GLYCEROL'>DGA</scene>, <scene name='pdbligand=FE2:FE+(II)+ION'>FE2</scene>, <scene name='pdbligand=FME:N-FORMYLMETHIONINE'>FME</scene>, <scene name='pdbligand=HEC:HEME+C'>HEC</scene>, <scene name='pdbligand=MPG:[(Z)-OCTADEC-9-ENYL]+(2R)-2,3-BIS(OXIDANYL)PROPANOATE'>MPG</scene>, <scene name='pdbligand=MQ7:MENAQUINONE-7'>MQ7</scene>, <scene name='pdbligand=NS5:15-CIS-1,2-DIHYDRONEUROSPORENE'>NS5</scene>, <scene name='pdbligand=OTP:(2E,6E,10E,14E,18E,22E,26E)-3,7,11,15,19,23,27,31-OCTAMETHYLDOTRIACONTA-2,6,10,14,18,22,26,30-OCTAENYL+TRIHYDROGEN+DIPHOSPHATE'>OTP</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=FME:N-FORMYLMETHIONINE'>FME</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=4cas FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4cas OCA], [https://pdbe.org/4cas PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4cas RCSB], [https://www.ebi.ac.uk/pdbsum/4cas PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4cas ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=4cas FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4cas OCA], [http://pdbe.org/4cas PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4cas RCSB], [http://www.ebi.ac.uk/pdbsum/4cas PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4cas ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/RCEH_RHOVI RCEH_RHOVI]] The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis. [[http://www.uniprot.org/uniprot/CYCR_RHOVI CYCR_RHOVI]] The reaction center of purple bacteria contains a tightly bound cytochrome molecule which re-reduces the photo oxidized primary electron donor. [[http://www.uniprot.org/uniprot/RCEM_RHOVI RCEM_RHOVI]] The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis. [[http://www.uniprot.org/uniprot/RCEL_RHOVI RCEL_RHOVI]] The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis.
[[https://www.uniprot.org/uniprot/CYCR_BLAVI CYCR_BLAVI]] The reaction center of purple bacteria contains a tightly bound cytochrome molecule which re-reduces the photo oxidized primary electron donor.<ref>PMID:10736158</ref>  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Serial femtosecond crystallography is an X-ray free-electron-laser-based method with considerable potential to have an impact on challenging problems in structural biology. Here we present X-ray diffraction data recorded from microcrystals of the Blastochloris viridis photosynthetic reaction centre to 2.8 A resolution and determine its serial femtosecond crystallography structure to 3.5 A resolution. Although every microcrystal is exposed to a dose of 33 MGy, no signs of X-ray-induced radiation damage are visible in this integral membrane protein structure.
 
Structure of a photosynthetic reaction centre determined by serial femtosecond crystallography.,Johansson LC, Arnlund D, Katona G, White TA, Barty A, Deponte DP, Shoeman RL, Wickstrand C, Sharma A, Williams GJ, Aquila A, Bogan MJ, Caleman C, Davidsson J, Doak RB, Frank M, Fromme R, Galli L, Grotjohann I, Hunter MS, Kassemeyer S, Kirian RA, Kupitz C, Liang M, Lomb L, Malmerberg E, Martin AV, Messerschmidt M, Nass K, Redecke L, Seibert MM, Sjohamn J, Steinbrener J, Stellato F, Wang D, Wahlgren WY, Weierstall U, Westenhoff S, Zatsepin NA, Boutet S, Spence JC, Schlichting I, Chapman HN, Fromme P, Neutze R Nat Commun. 2013 Dec 19;4:2911. doi: 10.1038/ncomms3911. PMID:24352554<ref>PMID:24352554</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4cas" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
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[[Category: Blastochloris viridis]]
[[Category: Blastochloris viridis]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Aquila, A]]
[[Category: Aquila A]]
[[Category: Arnlund, D]]
[[Category: Arnlund D]]
[[Category: Barty, A]]
[[Category: Barty A]]
[[Category: Bogan, M J]]
[[Category: Bogan MJ]]
[[Category: Boutet, S]]
[[Category: Boutet S]]
[[Category: Caleman, C]]
[[Category: Caleman C]]
[[Category: Chapman, H N]]
[[Category: Chapman HN]]
[[Category: Davidsson, J]]
[[Category: Davidsson J]]
[[Category: DePonte, D P]]
[[Category: DePonte DP]]
[[Category: Doak, R B]]
[[Category: Doak RB]]
[[Category: Frank, M]]
[[Category: Frank M]]
[[Category: Fromme, P]]
[[Category: Fromme P]]
[[Category: Fromme, R]]
[[Category: Fromme R]]
[[Category: Galli, L]]
[[Category: Galli L]]
[[Category: Grotjohann, I]]
[[Category: Grotjohann I]]
[[Category: Hunter, M S]]
[[Category: Hunter MS]]
[[Category: Johansson, L C]]
[[Category: Johansson LC]]
[[Category: Kassemeyer, S]]
[[Category: Kassemeyer S]]
[[Category: Katona, G]]
[[Category: Katona G]]
[[Category: Kirian, R A]]
[[Category: Kirian RA]]
[[Category: Kupitz, C]]
[[Category: Kupitz C]]
[[Category: Liang, M]]
[[Category: Liang M]]
[[Category: Lomb, L]]
[[Category: Lomb L]]
[[Category: Malmerberg, E]]
[[Category: Malmerberg E]]
[[Category: Martin, A V]]
[[Category: Martin AV]]
[[Category: Messerschmidt, M]]
[[Category: Messerschmidt M]]
[[Category: Nass, K]]
[[Category: Nass K]]
[[Category: Neutze, R]]
[[Category: Neutze R]]
[[Category: Redecke, L]]
[[Category: Redecke L]]
[[Category: Schlichting, I]]
[[Category: Schlichting I]]
[[Category: Seibert, M M]]
[[Category: Seibert MM]]
[[Category: Sharma, A]]
[[Category: Sharma A]]
[[Category: Shoeman, R L]]
[[Category: Shoeman RL]]
[[Category: Sjohamn, J]]
[[Category: Sjohamn J]]
[[Category: Spence, J C.H]]
[[Category: Spence JCH]]
[[Category: Steinbrener, J]]
[[Category: Steinbrener J]]
[[Category: Stellato, F]]
[[Category: Stellato F]]
[[Category: Wahlgren, W Y]]
[[Category: Wahlgren WY]]
[[Category: Wang, D]]
[[Category: Wang D]]
[[Category: Weierstall, U]]
[[Category: Weierstall U]]
[[Category: Westenhoff, S]]
[[Category: Westenhoff S]]
[[Category: White, T A]]
[[Category: White TA]]
[[Category: Wickstrand, C]]
[[Category: Wickstrand C]]
[[Category: Williams, G J]]
[[Category: Williams GJ]]
[[Category: Zatsepin, N A]]
[[Category: Zatsepin NA]]
[[Category: Cell membrane]]
[[Category: Chromophore]]
[[Category: Electron transport]]
[[Category: Lipidic-sponge phase]]
[[Category: Metal- binding]]
[[Category: Photosynthesis]]
[[Category: Reaction center]]
[[Category: Transmembrane]]

Revision as of 17:35, 7 September 2022

Serial femtosecond crystallography structure of a photosynthetic reaction center

4cas, resolution 3.50Å

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