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6bno

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Current revision (14:22, 13 March 2024) (edit) (undo)
 
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<SX load='6bno' size='340' side='right' viewer='molstar' caption='[[6bno]], [[Resolution|resolution]] 5.50&Aring;' scene=''>
<SX load='6bno' size='340' side='right' viewer='molstar' caption='[[6bno]], [[Resolution|resolution]] 5.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6bno]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6BNO OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6BNO FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6bno]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6BNO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6BNO FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</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">Electron Microscopy, [[Resolution|Resolution]] 5.5&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6bno FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6bno OCA], [http://pdbe.org/6bno PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6bno RCSB], [http://www.ebi.ac.uk/pdbsum/6bno PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6bno ProSAT]</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=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</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'>[https://proteopedia.org/fgij/fg.htm?mol=6bno FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6bno OCA], [https://pdbe.org/6bno PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6bno RCSB], [https://www.ebi.ac.uk/pdbsum/6bno PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6bno ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/ACTS_RABIT ACTS_RABIT]] Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells.
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[https://www.uniprot.org/uniprot/ACTS_RABIT ACTS_RABIT] Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Despite extensive scrutiny of the myosin superfamily, the lack of high-resolution structures of actin-bound states has prevented a complete description of its mechanochemical cycle and limited insight into how sequence and structural diversification of the motor domain gives rise to specialized functional properties. Here we present cryo-EM structures of the unique minus-end directed myosin VI motor domain in rigor (4.6 A) and Mg-ADP (5.5 A) states bound to F-actin. Comparison to the myosin IIC-F-actin rigor complex reveals an almost complete lack of conservation of residues at the actin-myosin interface despite preservation of the primary sequence regions composing it, suggesting an evolutionary path for motor specialization. Additionally, analysis of the transition from ADP to rigor provides a structural rationale for force sensitivity in this step of the mechanochemical cycle. Finally, we observe reciprocal rearrangements in actin and myosin accompanying the transition between these states, supporting a role for actin structural plasticity during force generation by myosin VI.
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Cryo-EM structures reveal specialization at the myosin VI-actin interface and a mechanism of force sensitivity.,Gurel PS, Kim LY, Ruijgrok PV, Omabegho T, Bryant Z, Alushin GM Elife. 2017 Dec 4;6. doi: 10.7554/eLife.31125. PMID:29199952<ref>PMID:29199952</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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<div class="pdbe-citations 6bno" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Actin 3D structures|Actin 3D structures]]
*[[Actin 3D structures|Actin 3D structures]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</SX>
</SX>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Oryctolagus cuniculus]]
[[Category: Oryctolagus cuniculus]]
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[[Category: Alushin, G A]]
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[[Category: Alushin GA]]
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[[Category: Gurel, P S]]
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[[Category: Gurel PS]]
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[[Category: Contractile protein]]
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[[Category: Cytoskeleton]]
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[[Category: Filament]]
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Current revision

Structure of bare actin filament

6bno, resolution 5.50Å

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