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[[Image:2rcr.jpg|left|200px]]<br /><applet load="2rcr" size="350" color="white" frame="true" align="right" spinBox="true"
caption="2rcr, resolution 3.1&Aring;" />
'''STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES'''<br />


==Overview==
==STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES==
The structure of the photosynthetic reaction center (RC) from Rhodobacter sphaeroides was determined at 3.1-A resolution by the molecular replacement method, using the Rhodopseudomonas viridis RC as the search structure. Atomic coordinates were refined with the difference Fourier method and restrained least-squares refinement techniques to a current R factor of 22%. The tertiary structure of the RC complex is stabilized by hydrophobic interactions between the L and M chains, by interactions of the pigments with each other and with the L and M chains, by residues from the L and M chains that coordinate to the Fe2+, by salt bridges that are formed between the L and M chains and the H chain, and possibly by electrostatic forces between the ends of helices. The conserved residues at the N-termini of the L and M chains were identified as recognition sites for the H chain.
<StructureSection load='2rcr' size='340' side='right'caption='[[2rcr]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
 
== Structural highlights ==
==About this Structure==
<table><tr><td colspan='2'>[[2rcr]] 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=2RCR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2RCR FirstGlance]. <br>
2RCR is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Rhodobacter_sphaeroides Rhodobacter sphaeroides] with <scene name='pdbligand=FE:'>FE</scene>, <scene name='pdbligand=BCL:'>BCL</scene>, <scene name='pdbligand=BPH:'>BPH</scene> and <scene name='pdbligand=UQ:'>UQ</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RCR OCA].  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.1&#8491;</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=BPH:BACTERIOPHEOPHYTIN+A'>BPH</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=UQ:COENZYME+Q10,+(2Z,6E,10Z,14E,18E,22E,26Z)-ISOMER'>UQ</scene></td></tr>
==Reference==
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2rcr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2rcr OCA], [https://pdbe.org/2rcr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2rcr RCSB], [https://www.ebi.ac.uk/pdbsum/2rcr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2rcr ProSAT]</span></td></tr>
Structure of the membrane-bound protein photosynthetic reaction center from Rhodobacter sphaeroides., Chang CH, el-Kabbani O, Tiede D, Norris J, Schiffer M, Biochemistry. 1991 Jun 4;30(22):5352-60. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=2036404 2036404]
</table>
[[Category: Protein complex]]
== Function ==
[[Category: Rhodobacter sphaeroides]]
[https://www.uniprot.org/uniprot/RCEH_CERSP RCEH_CERSP] The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis.
[[Category: Chang, C H.]]
== Evolutionary Conservation ==
[[Category: Norris, J.]]
[[Image:Consurf_key_small.gif|200px|right]]
[[Category: Schiffer, M.]]
Check<jmol>
[[Category: BCL]]
  <jmolCheckbox>
[[Category: BPH]]
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/rc/2rcr_consurf.spt"</scriptWhenChecked>
[[Category: FE]]
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
[[Category: UQ]]
    <text>to colour the structure by Evolutionary Conservation</text>
[[Category: photosynthetic reaction center]]
  </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=2rcr ConSurf].
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 18:46:17 2008''
<div style="clear:both"></div>
__TOC__
</StructureSection>
[[Category: Cereibacter sphaeroides]]
[[Category: Large Structures]]
[[Category: Chang C-H]]
[[Category: Norris J]]
[[Category: Schiffer M]]

Latest revision as of 12:21, 21 February 2024

STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDESSTRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES

Structural highlights

2rcr is a 3 chain structure with sequence from Cereibacter sphaeroides. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 3.1Å
Ligands:, , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

RCEH_CERSP The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

2rcr, resolution 3.10Å

Drag the structure with the mouse to rotate

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