5xlt: Difference between revisions

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<StructureSection load='5xlt' size='340' side='right'caption='[[5xlt]], [[Resolution|resolution]] 2.81&Aring;' scene=''>
<StructureSection load='5xlt' size='340' side='right'caption='[[5xlt]], [[Resolution|resolution]] 2.81&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5xlt]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/ ] and [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5XLT OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5XLT FirstGlance]. <br>
<table><tr><td colspan='2'>[[5xlt]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus], [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus] 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=5XLT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5XLT FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=89O:(5S,5aR,8aR,9R)-9-(3,5-dimethoxy-4-oxidanyl-phenyl)-5-oxidanyl-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-8-one'>89O</scene>, <scene name='pdbligand=ACP:PHOSPHOMETHYLPHOSPHONIC+ACID+ADENYLATE+ESTER'>ACP</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.813&#8491;</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5xlt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xlt OCA], [http://pdbe.org/5xlt PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5xlt RCSB], [http://www.ebi.ac.uk/pdbsum/5xlt PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5xlt ProSAT]</span></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=89O:(5S,5aR,8aR,9R)-9-(3,5-dimethoxy-4-oxidanyl-phenyl)-5-oxidanyl-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-8-one'>89O</scene>, <scene name='pdbligand=ACP:PHOSPHOMETHYLPHOSPHONIC+ACID+ADENYLATE+ESTER'>ACP</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</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=5xlt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xlt OCA], [https://pdbe.org/5xlt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5xlt RCSB], [https://www.ebi.ac.uk/pdbsum/5xlt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5xlt ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/TBA1B_BOVIN TBA1B_BOVIN]] 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. [[http://www.uniprot.org/uniprot/STMN4_RAT STMN4_RAT]] Exhibits microtubule-destabilizing activity.<ref>PMID:15039434</ref> <ref>PMID:12111843</ref> <ref>PMID:15014504</ref>  [[http://www.uniprot.org/uniprot/TBB2B_BOVIN TBB2B_BOVIN]] 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).
[https://www.uniprot.org/uniprot/E1BQ43_CHICK E1BQ43_CHICK]  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Microtubules consists of alphabeta-tubulin heterodimers and are highly attractive targets for anti-cancer drugs. A broad range of agents have been identified to bind to tubulin and interfere with microtubule assembly, including colchicine binding site inhibitors (CBSIs). Podophyllotoxin is a CBSI that inhibits the assembly of microtubules. However, for a long time, the design and development of podophyllotoxin family drugs have been hindered by the lack of high-resolution structural information of the tubulin-agent complex. We report the first high-resolution (2.8 A) structure of a podophyllotoxin family agent (4'-demethylepipodophyllotoxin, DMEP) complexed with tubulin and revealed the detailed interactions between DMEP and tubulin. Comparison of this structure and other CBSIs explains previous results of the structure-activity-relationship (SAR) studies, and provides insights into the development of new podophyllotoxin derivatives targeting the colchicine site.
 
Structure of 4'-demethylepipodophyllotoxin in complex with tubulin provides a rationale for drug design.,Niu L, Wang Y, Wang C, Wang Y, Jiang X, Ma L, Wu C, Yu Y, Chen Q Biochem Biophys Res Commun. 2017 Aug 30. pii: S0006-291X(17)31708-4. doi:, 10.1016/j.bbrc.2017.08.125. PMID:28864414<ref>PMID:28864414</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 5xlt" style="background-color:#fffaf0;"></div>


==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]]
*[[Tubulin tyrosine ligase|Tubulin tyrosine ligase]]
*[[Tubulin tyrosine ligase 3D structures|Tubulin tyrosine ligase 3D structures]]
*[[User:Alisa Cario|User:Alisa Cario]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Gallus gallus]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Chen, Q]]
[[Category: Rattus norvegicus]]
[[Category: Yu, Y]]
[[Category: Chen Q]]
[[Category: Cell cycle]]
[[Category: Yu Y]]
[[Category: Inhibitor]]
[[Category: Tubulin]]

Latest revision as of 10:19, 27 March 2024

The crystal structure of tubulin in complex with 4'-demethylepipodophyllotoxin

5xlt, resolution 2.81Å

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