5kdh: Difference between revisions
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==CRYSTAL STRUCTURE OF THE FIRST BROMODOMAIN OF HUMAN BRD4 IN COMPLEX WITH A DIHYDROPYRIDOPYRIMIDINE SCAFFOLD INHIBITOR== | |||
<StructureSection load='5kdh' size='340' side='right'caption='[[5kdh]], [[Resolution|resolution]] 1.50Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[5kdh]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5KDH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5KDH 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]] 1.5Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=6RX:(5~{S})-1-ethyl-5-(4-methylphenyl)-8,9-dihydro-5~{H}-furo[3,4]pyrido[3,5-~{b}]pyrimidine-2,4,6-trione'>6RX</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=5kdh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5kdh OCA], [https://pdbe.org/5kdh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5kdh RCSB], [https://www.ebi.ac.uk/pdbsum/5kdh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5kdh ProSAT]</span></td></tr> | |||
</table> | |||
== Disease == | |||
[https://www.uniprot.org/uniprot/BRD4_HUMAN BRD4_HUMAN] Note=A chromosomal aberration involving BRD4 is found in a rare, aggressive, and lethal carcinoma arising in midline organs of young people. Translocation t(15;19)(q14;p13) with NUT which produces a BRD4-NUT fusion protein.<ref>PMID:12543779</ref> <ref>PMID:11733348</ref> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/BRD4_HUMAN BRD4_HUMAN] Plays a role in a process governing chromosomal dynamics during mitosis (By similarity). | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Chemical inhibition of epigenetic regulatory proteins BrdT and Brd4 is emerging as a promising therapeutic strategy in contraception, cancer, and heart disease. We report an easily synthesized dihydropyridopyrimidine pan-BET inhibitor scaffold, which was uncovered via a virtual screen followed by testing in a fluorescence anisotropy assay. Dihydropyridopyimidine 3 was subjected to further characterization and is highly selective for the BET family of bromodomains. Structure-activity relationship data and ligand deconstruction highlight the importance of the substitution of the uracil moiety for potency and selectivity. Compound 3 was also cocrystallized with Brd4 for determining the ligand binding pose and rationalizing subsequent structure-activity data. An additional series of dihydropyridopyrimidines was synthesized to exploit the proximity of a channel near the ZA loop of Brd4, leading to compounds with submicromolar affinity and cellular target engagement. Given these findings, novel and easily synthesized inhibitors are being introduced to the growing field of bromodomain inhibitor development. | |||
BET Bromodomain Inhibitors with One-Step Synthesis Discovered from Virtual Screen.,Ayoub AM, Hawk LML, Herzig RJ, Jiang J, Wisniewski AJ, Gee CT, Zhao P, Zhu JY, Berndt N, Offei-Addo NK, Scott TG, Qi J, Bradner JE, Ward TR, Schonbrunn E, Georg GI, Pomerantz WCK J Med Chem. 2017 Jun 22;60(12):4805-4817. doi: 10.1021/acs.jmedchem.6b01336. Epub, 2017 Jun 7. PMID:28535045<ref>PMID:28535045</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
[[Category: | </div> | ||
<div class="pdbe-citations 5kdh" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[Bromodomain-containing protein 3D structures|Bromodomain-containing protein 3D structures]] | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Homo sapiens]] | |||
[[Category: Large Structures]] | |||
[[Category: Schonbrunn E]] | |||
[[Category: Zhu J-Y]] | |||
Latest revision as of 12:58, 27 September 2023
CRYSTAL STRUCTURE OF THE FIRST BROMODOMAIN OF HUMAN BRD4 IN COMPLEX WITH A DIHYDROPYRIDOPYRIMIDINE SCAFFOLD INHIBITORCRYSTAL STRUCTURE OF THE FIRST BROMODOMAIN OF HUMAN BRD4 IN COMPLEX WITH A DIHYDROPYRIDOPYRIMIDINE SCAFFOLD INHIBITOR
Structural highlights
DiseaseBRD4_HUMAN Note=A chromosomal aberration involving BRD4 is found in a rare, aggressive, and lethal carcinoma arising in midline organs of young people. Translocation t(15;19)(q14;p13) with NUT which produces a BRD4-NUT fusion protein.[1] [2] FunctionBRD4_HUMAN Plays a role in a process governing chromosomal dynamics during mitosis (By similarity). Publication Abstract from PubMedChemical inhibition of epigenetic regulatory proteins BrdT and Brd4 is emerging as a promising therapeutic strategy in contraception, cancer, and heart disease. We report an easily synthesized dihydropyridopyrimidine pan-BET inhibitor scaffold, which was uncovered via a virtual screen followed by testing in a fluorescence anisotropy assay. Dihydropyridopyimidine 3 was subjected to further characterization and is highly selective for the BET family of bromodomains. Structure-activity relationship data and ligand deconstruction highlight the importance of the substitution of the uracil moiety for potency and selectivity. Compound 3 was also cocrystallized with Brd4 for determining the ligand binding pose and rationalizing subsequent structure-activity data. An additional series of dihydropyridopyrimidines was synthesized to exploit the proximity of a channel near the ZA loop of Brd4, leading to compounds with submicromolar affinity and cellular target engagement. Given these findings, novel and easily synthesized inhibitors are being introduced to the growing field of bromodomain inhibitor development. BET Bromodomain Inhibitors with One-Step Synthesis Discovered from Virtual Screen.,Ayoub AM, Hawk LML, Herzig RJ, Jiang J, Wisniewski AJ, Gee CT, Zhao P, Zhu JY, Berndt N, Offei-Addo NK, Scott TG, Qi J, Bradner JE, Ward TR, Schonbrunn E, Georg GI, Pomerantz WCK J Med Chem. 2017 Jun 22;60(12):4805-4817. doi: 10.1021/acs.jmedchem.6b01336. Epub, 2017 Jun 7. PMID:28535045[3] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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