4fmm

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==Dimeric Sec14 family homolog 3 from Saccharomyces cerevisiae presents some novel features of structure that lead to a surprising "dimer-monomer" state change induced by substrate binding==
==Dimeric Sec14 family homolog 3 from Saccharomyces cerevisiae presents some novel features of structure that lead to a surprising "dimer-monomer" state change induced by substrate binding==
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<StructureSection load='4fmm' size='340' side='right' caption='[[4fmm]], [[Resolution|resolution]] 2.34&Aring;' scene=''>
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<StructureSection load='4fmm' size='340' side='right'caption='[[4fmm]], [[Resolution|resolution]] 2.34&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4fmm]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_s288c Saccharomyces cerevisiae s288c]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FMM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4FMM FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4fmm]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FMM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4FMM 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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</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]] 2.34&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">N1158, PDR16, SFH3, YNL231C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Saccharomyces cerevisiae S288c])</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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></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=4fmm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fmm OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4fmm RCSB], [http://www.ebi.ac.uk/pdbsum/4fmm PDBsum]</span></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=4fmm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fmm OCA], [https://pdbe.org/4fmm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4fmm RCSB], [https://www.ebi.ac.uk/pdbsum/4fmm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4fmm 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/PDR16_YEAST PDR16_YEAST] Has phosphatidylinositol transfer activity. Involved in the regulation of the phospholipid composition of plasma- and endomembranes. Altering plasma membrane composition may provide a possible mechanism for multidrug resistance. Involved in the regulation of sterol biosynthesis. Contributes to efficient phospholipase D1 activation in the regulation of phospholipid turnover.<ref>PMID:9890948</ref> <ref>PMID:10848624</ref>
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Phosphorylated derivatives of phosphatidylinositol (PtdIns), also called phosphoinositides (PIPs), are basic components of membrane-associated signalling systems. A family of PtdIns-transfer proteins (PITPs) called the Sec14 family have been predicted to form a set of functional modules that can sense different types of lipid metabolism and transmit the information to the PIP signalling system. In eukaryotic cells, the Sec14 family exhibits a wide diversity of activity, but the structural basis of this diversity remains unclear. In the present study, the dimeric structure of Sfh3 (Sec14 family homologue 3 in yeast) is reported for the first time and differs from the Sec14 proteins reported to date, all of which are monomeric. Some variations in the binding pocket of Sfh3 were observed and the dimer interface was identified and proposed to provide a link between dimer-monomer state changes and PtdIns binding. Together, these structural changes and the oligomeric state transformation of Sfh3 support ideas of diversity within the Sec14 family and provide some new clues to function.
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Dimeric Sfh3 has structural changes in its binding pocket that are associated with a dimer-monomer state transformation induced by substrate binding.,Yuan Y, Zhao W, Wang X, Gao Y, Niu L, Teng M Acta Crystallogr D Biol Crystallogr. 2013 Mar;69(Pt 3):313-23. doi:, 10.1107/S0907444912046161. Epub 2013 Feb 16. PMID:23519406<ref>PMID:23519406</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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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Saccharomyces cerevisiae s288c]]
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[[Category: Large Structures]]
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[[Category: Gao, Y]]
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[[Category: Saccharomyces cerevisiae S288C]]
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[[Category: Niu, L]]
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[[Category: Gao Y]]
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[[Category: Teng, M]]
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[[Category: Niu L]]
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[[Category: Wang, X]]
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[[Category: Teng M]]
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[[Category: Yuan, Y]]
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[[Category: Wang X]]
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[[Category: Zhao, W]]
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[[Category: Yuan Y]]
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[[Category: Lipid binding protein]]
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[[Category: Zhao W]]
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[[Category: Phosphatidylinositol binding]]
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[[Category: Sec14 domain]]
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[[Category: Signaling protein]]
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Current revision

Dimeric Sec14 family homolog 3 from Saccharomyces cerevisiae presents some novel features of structure that lead to a surprising "dimer-monomer" state change induced by substrate binding

PDB ID 4fmm

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