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==NMR structure and dynamics studies of yeast respiratory super-complex factor 2 in micelles==
==NMR structure and dynamics studies of yeast respiratory super-complex factor 2 in micelles==
<StructureSection load='6lul' size='340' side='right'caption='[[6lul]], [[NMR_Ensembles_of_Models | 15 NMR models]]' scene=''>
<StructureSection load='6lul' size='340' side='right'caption='[[6lul]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6lul]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Baker's_yeast Baker's yeast]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6LUL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6LUL FirstGlance]. <br>
<table><tr><td colspan='2'>[[6lul]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6LUL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6LUL FirstGlance]. <br>
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">RCF2, AIM38, YNR018W, N3185 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast])</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=6lul FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6lul OCA], [https://pdbe.org/6lul PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6lul RCSB], [https://www.ebi.ac.uk/pdbsum/6lul PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6lul ProSAT]</span></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=6lul FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6lul OCA], [https://pdbe.org/6lul PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6lul RCSB], [https://www.ebi.ac.uk/pdbsum/6lul PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6lul ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/RCF2_YEAST RCF2_YEAST]] Assembly factor that plays a role in the assembly of the respiratory chain supercomplexes (SCs) composed of ubiquinol-cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CIII) and cytochrome c oxidase (complex IV, CIV). May be required for late-stage assembly of the COX12 and COX13 subunits (PubMed:22342701, PubMed:22310663). Required for the generation and maintenance of a normal proton motive force (PMF) across the inner mitochondrial membrane (IMM) by preventing proton leakage through an inactive population of CIV that accumulates when RCF1 and/or RCF2 proteins are absent (PubMed:30683696, PubMed:31591265).<ref>PMID:22310663</ref> <ref>PMID:22342701</ref> <ref>PMID:30683696</ref> <ref>PMID:31591265</ref> 
[https://www.uniprot.org/uniprot/RCF2_YEAST RCF2_YEAST] Assembly factor that plays a role in the assembly of the respiratory chain supercomplexes (SCs) composed of ubiquinol-cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CIII) and cytochrome c oxidase (complex IV, CIV). May be required for late-stage assembly of the COX12 and COX13 subunits (PubMed:22342701, PubMed:22310663). Required for the generation and maintenance of a normal proton motive force (PMF) across the inner mitochondrial membrane (IMM) by preventing proton leakage through an inactive population of CIV that accumulates when RCF1 and/or RCF2 proteins are absent (PubMed:30683696, PubMed:31591265).<ref>PMID:22310663</ref> <ref>PMID:22342701</ref> <ref>PMID:30683696</ref> <ref>PMID:31591265</ref>  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The Saccharomyces cerevisiae respiratory supercomplex factor 2 (Rcf2) is a 224-residue protein located in the mitochondrial inner membrane where it is involved in the formation of supercomplexes composed of cytochrome bc1 and cytochrome c oxidase. We previously demonstrated that Rcf2 forms a dimer in dodecylphosphocholine micelles, and here we report the solution NMR structure of this Rcf2 dimer. Each Rcf2 monomer has two soluble alpha helices and five putative transmembrane (TM) alpha helices, including an unexpectedly charged TM helix at the C terminus, which mediates dimer formation. The NOE contacts indicate the presence of inter-monomer salt bridges and hydrogen bonds at the dimer interface, which stabilize the Rcf2 dimer structure. Moreover, NMR chemical shift change mapping upon lipid titrations as well as molecular dynamics analysis reveal possible structural changes upon embedding Rcf2 into a native lipid environment. Our results contribute to the understanding of respiratory supercomplex formation and regulation.
 
NMR Structure and Dynamics Studies of Yeast Respiratory Supercomplex Factor 2.,Zhou S, Pettersson P, Huang J, Brzezinski P, Pomes R, Maler L, Adelroth P Structure. 2020 Sep 3. pii: S0969-2126(20)30290-2. doi:, 10.1016/j.str.2020.08.008. PMID:32905793<ref>PMID:32905793</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6lul" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Baker's yeast]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Adelroth, P]]
[[Category: Saccharomyces cerevisiae S288C]]
[[Category: Maler, L]]
[[Category: Adelroth P]]
[[Category: Peter, B]]
[[Category: Maler L]]
[[Category: Pontus, P]]
[[Category: Peter B]]
[[Category: Zhou, S]]
[[Category: Pontus P]]
[[Category: Membrane protein]]
[[Category: Zhou S]]
[[Category: Respiratory supercomplex factor]]
[[Category: Structural protein]]

Latest revision as of 07:35, 1 May 2024

NMR structure and dynamics studies of yeast respiratory super-complex factor 2 in micelles

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