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3u2f

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Revision as of 19:12, 5 August 2016

ATP synthase c10 ring in proton-unlocked conformation at PH 8.3

Structural highlights

3u2f is a 5 chain structure with sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
NonStd Res:
Related:	2xok, 2xqu, 2x2v, 2wgm, 3u2y, 3u32
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[ATP9_YEAST] Mitochondrial membrane ATP synthase (F(1)F(0) ATP synthase or Complex V) produces ATP from ADP in the presence of a proton gradient across the membrane which is generated by electron transport complexes of the respiratory chain. 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. Part of the complex F(0) domain. A homomeric c-ring of probably 10 subunits is part of the complex rotary element.

Publication Abstract from PubMed

The proton pore of the F(1)F(o) ATP synthase consists of a ring of c subunits, which rotates, driven by downhill proton diffusion across the membrane. An essential carboxylate side chain in each subunit provides a proton-binding site. In all the structures of c-rings reported to date, these sites are in a closed, ion-locked state. Structures are here presented of the c(10) ring from Saccharomyces cerevisiae determined at pH 8.3, 6.1 and 5.5, at resolutions of 2.0 A, 2.5 A and 2.0 A, respectively. The overall structure of this mitochondrial c-ring is similar to known homologs, except that the essential carboxylate, Glu59, adopts an open extended conformation. Molecular dynamics simulations reveal that opening of the essential carboxylate is a consequence of the amphiphilic nature of the crystallization buffer. We propose that this new structure represents the functionally open form of the c subunit, which facilitates proton loading and release.

Structure of the c(10) ring of the yeast mitochondrial ATP synthase in the open conformation.,Symersky J, Pagadala V, Osowski D, Krah A, Meier T, Faraldo-Gomez JD, Mueller DM Nat Struct Mol Biol. 2012 Apr 15;19(5):485-91. doi: 10.1038/nsmb.2284. PMID:22504883^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Symersky J, Pagadala V, Osowski D, Krah A, Meier T, Faraldo-Gomez JD, Mueller DM. Structure of the c(10) ring of the yeast mitochondrial ATP synthase in the open conformation. Nat Struct Mol Biol. 2012 Apr 15;19(5):485-91. doi: 10.1038/nsmb.2284. PMID:22504883 doi:10.1038/nsmb.2284

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 See Also
5 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/3u2f"

@@ Line 1: / Line 1: @@
 ==ATP synthase c10 ring in proton-unlocked conformation at PH 8.3==
 <StructureSection load='3u2f' size='340' side='right' caption='[[3u2f]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
@@ Line 5: / Line 6: @@
 </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='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2xok|2xok]], [[2xqu|2xqu]], [[2x2v|2x2v]], [[2wgm|2wgm]], [[3u2y|3u2y]], [[3u32|3u32]]</td></tr>
-<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=3u2f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3u2f OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3u2f RCSB], [http://www.ebi.ac.uk/pdbsum/3u2f PDBsum]</span></td></tr>
+<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=3u2f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3u2f OCA], [http://pdbe.org/3u2f PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3u2f RCSB], [http://www.ebi.ac.uk/pdbsum/3u2f PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3u2f ProSAT]</span></td></tr>
 </table>
 == Function ==
@@ Line 17: / Line 18: @@
 From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 </div>
+<div class="pdbe-citations 3u2f" style="background-color:#fffaf0;"></div>
 ==See Also==

3u2f

From Proteopedia

Revision as of 19:12, 5 August 2016

ATP synthase c10 ring in proton-unlocked conformation at PH 8.3

Structural highlights

Function

Publication Abstract from PubMed

See Also

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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