4eb6

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4eb6]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Ovis_aries Ovis aries] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EB6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EB6 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4eb6]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Ovis_aries Ovis aries] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EB6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EB6 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=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=VLB:(2ALPHA,2BETA,3BETA,4ALPHA,5BETA)-VINCALEUKOBLASTINE'>VLB</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]] 3.47&#8491;</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=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=VLB:(2ALPHA,2BETA,3BETA,4ALPHA,5BETA)-VINCALEUKOBLASTINE'>VLB</scene></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=4eb6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4eb6 OCA], [https://pdbe.org/4eb6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4eb6 RCSB], [https://www.ebi.ac.uk/pdbsum/4eb6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4eb6 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=4eb6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4eb6 OCA], [https://pdbe.org/4eb6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4eb6 RCSB], [https://www.ebi.ac.uk/pdbsum/4eb6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4eb6 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/D0VWZ0_SHEEP D0VWZ0_SHEEP]] Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain (By similarity).[RuleBase:RU003505][SAAS:SAAS023123_004_019801]
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[https://www.uniprot.org/uniprot/D0VWZ0_SHEEP D0VWZ0_SHEEP] Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain (By similarity).[RuleBase:RU003505][SAAS:SAAS023123_004_019801]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Vinca-domain ligands are compounds that bind to tubulin at its inter-heterodimeric interface and favour heterogeneous protofilament-like assemblies, giving rise to helices and rings. This is the basis for their inhibition of microtubule assembly, for their antimitotic activities and for their use in anticancer chemotherapy. Ustiloxins are vinca-domain ligands with a well established total synthesis. A 2.7 A resolution structure of ustiloxin D bound to the vinca domain embedded in the complex of two tubulins with the stathmin-like domain of RB3 (T(2)R) has been determined. This finding precisely defines the interactions of ustiloxins with tubulin and, taken together with structures of other vinca-ligand complexes, allows structure-based suggestions to be made for improved activity. These comparisons also provide a rationale for the large-scale polymorphism of the protofilament-like assemblies mediated by vinca-domain ligands based on local differences in their interactions with the two tubulin heterodimers constituting their binding site.
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Structural plasticity of tubulin assembly probed by vinca-domain ligands.,Ranaivoson FM, Gigant B, Berritt S, Joullie M, Knossow M Acta Crystallogr D Biol Crystallogr. 2012 Aug;68(Pt 8):927-34. Epub 2012 Jul 7. PMID:22868758<ref>PMID:22868758</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 4eb6" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Stathmin-4 3D structures|Stathmin-4 3D structures]]
*[[Stathmin-4 3D structures|Stathmin-4 3D structures]]
*[[Tubulin 3D Structures|Tubulin 3D Structures]]
*[[Tubulin 3D Structures|Tubulin 3D Structures]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>

Current revision

Tubulin-Vinblastine: Stathmin-like complex

PDB ID 4eb6

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