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3v3c

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==Crystal Structure of Chloroplast ATP synthase c-ring from Pisum sativum==
==Crystal Structure of Chloroplast ATP synthase c-ring from Pisum sativum==
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<StructureSection load='3v3c' size='340' side='right' caption='[[3v3c]], [[Resolution|resolution]] 3.40&Aring;' scene=''>
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<StructureSection load='3v3c' size='340' side='right'caption='[[3v3c]], [[Resolution|resolution]] 3.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3v3c]] is a 14 chain structure with sequence from [http://en.wikipedia.org/wiki/Pisum_sativum Pisum sativum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3V3C OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3V3C FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3v3c]] is a 14 chain structure with sequence from [https://en.wikipedia.org/wiki/Pisum_sativum Pisum sativum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3V3C OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3V3C FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=YT3:YTTRIUM+(III)+ION'>YT3</scene></td></tr>
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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]] 3.402&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3v3c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v3c OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3v3c RCSB], [http://www.ebi.ac.uk/pdbsum/3v3c PDBsum]</span></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=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=YT3:YTTRIUM+(III)+ION'>YT3</scene></td></tr>
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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=3v3c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v3c OCA], [https://pdbe.org/3v3c PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3v3c RCSB], [https://www.ebi.ac.uk/pdbsum/3v3c PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3v3c ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/ATPH_PEA ATPH_PEA] F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation.[HAMAP-Rule:MF_01396] Key component of the F(0) channel; it plays a direct role in translocation across the membrane. A homomeric c-ring of between 10-14 subunits forms the central stalk rotor element with the F(1) delta and epsilon subunits.[HAMAP-Rule:MF_01396]
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A ring of 8-15 identical c-subunits is essential for ion-translocation by the rotary electromotor of the ubiquitous F(O)F(1)-ATPase. Here we present the crystal structure at 3.4A resolution of the c-ring from chloroplasts of a higher plant (Pisum sativum), determined using a native preparation. The crystal structure was found to resemble that of an (ancestral) cyanobacterium. Using elastic network modeling to investigate the ring's eigen-modes, we found five dominant modes of motion that fell into three classes. They revealed the following deformations of the ring: (I) ellipsoidal, (II) opposite twisting of the luminal circular surface of the ring against the stromal surface, and (III) kinking of the hairpin-shaped monomers in the middle, resulting in bending/stretching of the ring. Extension of the elastic network analysis to rings of different c(n)-symmetry revealed the same classes of dominant modes as in P. sativum (c(14)). We suggest the following functional roles for these classes: The first and third classes of modes affect the interaction of the c-ring with its counterparts in F(O), namely subunits a and bb'. These modes are likely to be involved in ion-translocation and torque generation. The second class of deformation, along with deformations of subunits gamma and epsilon might serve to elastically buffer the torque transmission between F(O) and F(1).
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Structure and flexibility of the C-ring in the electromotor of rotary F(o)F(1)-ATPase of pea chloroplasts.,Saroussi S, Schushan M, Ben-Tal N, Junge W, Nelson N PLoS One. 2012;7(9):e43045. doi: 10.1371/journal.pone.0043045. Epub 2012 Sep 25. PMID:23049735<ref>PMID:23049735</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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==See Also==
==See Also==
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*[[ATPase|ATPase]]
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*[[ATPase 3D structures|ATPase 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Large Structures]]
[[Category: Pisum sativum]]
[[Category: Pisum sativum]]
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[[Category: Nelson, N]]
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[[Category: Nelson N]]
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[[Category: Saroussi, S]]
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[[Category: Saroussi S]]
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[[Category: C-ring]]
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[[Category: Photosynthesis]]
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[[Category: Proton binding]]
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[[Category: Proton translocation]]
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Current revision

Crystal Structure of Chloroplast ATP synthase c-ring from Pisum sativum

PDB ID 3v3c

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