6z3z: Difference between revisions

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<StructureSection load='6z3z' size='340' side='right'caption='[[6z3z]], [[Resolution|resolution]] 3.19&Aring;' scene=''>
<StructureSection load='6z3z' size='340' side='right'caption='[[6z3z]], [[Resolution|resolution]] 3.19&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6z3z]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Equus_caballus Equus caballus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6Z3Z OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6Z3Z FirstGlance]. <br>
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6Z3Z OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6Z3Z FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.19&#8491;</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.19&#8491;</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=6z3z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6z3z OCA], [https://pdbe.org/6z3z PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6z3z RCSB], [https://www.ebi.ac.uk/pdbsum/6z3z PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6z3z 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=6z3z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6z3z OCA], [https://pdbe.org/6z3z PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6z3z RCSB], [https://www.ebi.ac.uk/pdbsum/6z3z PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6z3z ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/F7B113_HORSE F7B113_HORSE]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Na(+) /H(+) exchangers (NHEs) are ancient membrane-bound nanomachines that work to regulate intracellular pH, sodium levels and cell volume. NHE activities contribute to the control of the cell cycle, cell proliferation, cell migration and vesicle trafficking. NHE dysfunction has been linked to many diseases, and they are targets of pharmaceutical drugs. Despite their fundamental importance to cell homeostasis and human physiology, structural information for the mammalian NHEs was lacking. Here, we report the cryogenic electron microscopy structure of NHE isoform 9 (SLC9A9) from Equus caballus at 3.2 A resolution, an endosomal isoform highly expressed in the brain and associated with autism spectrum (ASD) and attention deficit hyperactivity (ADHD) disorders. Despite low sequence identity, the NHE9 architecture and ion-binding site are remarkably most similar to distantly related bacterial Na(+) /H(+) antiporters with 13 transmembrane segments. Collectively, we reveal the conserved architecture of the NHE ion-binding site, their elevator-like structural transitions, the functional implications of autism disease mutations and the role of phosphoinositide lipids to promote homodimerization that, together, have important physiological ramifications.
Structure and elevator mechanism of the mammalian sodium/proton exchanger NHE9.,Winkelmann I, Matsuoka R, Meier PF, Shutin D, Zhang C, Orellana L, Sexton R, Landreh M, Robinson CV, Beckstein O, Drew D EMBO J. 2020 Oct 29:e105908. doi: 10.15252/embj.2020105908. PMID:33118634<ref>PMID:33118634</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6z3z" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Equus caballus]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Drew D]]
[[Category: Drew D]]
[[Category: Matsuoka R]]
[[Category: Matsuoka R]]
[[Category: Meier P]]
[[Category: Meier P]]
[[Category: Winkelmann I]]
[[Category: Winkelmannm I]]

Latest revision as of 05:53, 3 July 2025

CryoEM structure of horse sodium/proton exchanger NHE9 without C-terminal regulatory domain in an inward-facing conformation

6z3z, resolution 3.19Å

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