7cno: Difference between revisions
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==Phomopsin A in complex with tubulin== | |||
<StructureSection load='7cno' size='340' side='right'caption='[[7cno]], [[Resolution|resolution]] 2.50Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[7cno]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus], [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7CNO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7CNO FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.5Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACP:PHOSPHOMETHYLPHOSPHONIC+ACID+ADENYLATE+ESTER'>ACP</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=HOS:PHOMOPSIN+A'>HOS</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=7cno FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7cno OCA], [https://pdbe.org/7cno PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7cno RCSB], [https://www.ebi.ac.uk/pdbsum/7cno PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7cno ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/TBA1B_PIG TBA1B_PIG] 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. | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Tubulin vinca-domain ligands can inhibit microtubule polymerization, causing cell death in mitosis, and their potential against multiple cancer types has been demonstrated. However, due to drug resistance and toxicities, development of novel vinca-domain ligands is still needed. In this study, we determined the high-resolution crystal structures of vinorelbine, YXD, and Phomopsin A in complex with tubulin at 2.5 A. Additionally, we recapitulated all previously published high-resolution crystal structures of the vinca binding site to reveal critical residues and the molecular mechanism of vinca-domain ligands interacting with tubulin. Furthermore, we designed putatively novel triazolopyrimidine derivatives by introducing secondary amine groups to establish salt-bridge and H-bond interactions with Asp179(beta1) and Asn329(alpha2) . Our studies provided the structural basis for designing novel tubulin vinca-domain ligands. | |||
The high-resolution X-ray structure of vinca-domain inhibitors of microtubules provides a rational approach for drug design.,Chengyong W, Jinghong X, Yanyan W, Qing-Jie X, Lingling M, Yuyan L, Hai C, Qian L, Quan Z, Bo S, Yuxi W FEBS Lett. 2021 Jan;595(2):195-205. doi: 10.1002/1873-3468.14003. Epub 2021 Jan , 10. PMID:33220079<ref>PMID:33220079</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
[[Category: | </div> | ||
<div class="pdbe-citations 7cno" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[Stathmin-4 3D structures|Stathmin-4 3D structures]] | |||
*[[Tubulin 3D Structures|Tubulin 3D Structures]] | |||
*[[Tubulin tyrosine ligase|Tubulin tyrosine ligase]] | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Gallus gallus]] | |||
[[Category: Large Structures]] | |||
[[Category: Mus musculus]] | |||
[[Category: Sus scrofa]] | |||
[[Category: Wang YX]] | |||
[[Category: Wu CY]] | |||
Latest revision as of 19:11, 29 November 2023
Phomopsin A in complex with tubulinPhomopsin A in complex with tubulin
Structural highlights
FunctionTBA1B_PIG 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. Publication Abstract from PubMedTubulin vinca-domain ligands can inhibit microtubule polymerization, causing cell death in mitosis, and their potential against multiple cancer types has been demonstrated. However, due to drug resistance and toxicities, development of novel vinca-domain ligands is still needed. In this study, we determined the high-resolution crystal structures of vinorelbine, YXD, and Phomopsin A in complex with tubulin at 2.5 A. Additionally, we recapitulated all previously published high-resolution crystal structures of the vinca binding site to reveal critical residues and the molecular mechanism of vinca-domain ligands interacting with tubulin. Furthermore, we designed putatively novel triazolopyrimidine derivatives by introducing secondary amine groups to establish salt-bridge and H-bond interactions with Asp179(beta1) and Asn329(alpha2) . Our studies provided the structural basis for designing novel tubulin vinca-domain ligands. The high-resolution X-ray structure of vinca-domain inhibitors of microtubules provides a rational approach for drug design.,Chengyong W, Jinghong X, Yanyan W, Qing-Jie X, Lingling M, Yuyan L, Hai C, Qian L, Quan Z, Bo S, Yuxi W FEBS Lett. 2021 Jan;595(2):195-205. doi: 10.1002/1873-3468.14003. Epub 2021 Jan , 10. PMID:33220079[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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