6uvm: Difference between revisions
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The | ==Cocrystal of BRD4(D1) with a methyl carbamate thiazepane inhibitor== | ||
<StructureSection load='6uvm' size='340' side='right'caption='[[6uvm]], [[Resolution|resolution]] 1.51Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[6uvm]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6UVM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6UVM FirstGlance]. <br> | |||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=QJA:1-[(7S)-7-(thiophen-2-yl)-6,7-dihydro-1,4-thiazepin-4(5H)-yl]ethan-1-one'>QJA</scene></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6uvm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6uvm OCA], [http://pdbe.org/6uvm PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6uvm RCSB], [http://www.ebi.ac.uk/pdbsum/6uvm PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6uvm ProSAT]</span></td></tr> | |||
</table> | |||
== Disease == | |||
[[http://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 == | |||
[[http://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 == | |||
Fragment-based ligand discovery has been successful in targeting diverse proteins. Despite drug-like molecules having more 3D character, traditional fragment libraries are largely composed of flat, aromatic fragments. The use of 3D-enriched fragments for enhancing library diversity is underexplored especially against protein-protein interactions. Here, we evaluate using 3D-enriched fragments against bromodomains. Bromodomains are highly ligandable, but selectivity remains challenging, particularly for bromodomain and extraterminal (BET) family bromodomains. We screened a 3D-enriched fragment library against BRD4(D1) via (1)H CPMG NMR with a protein-observed (19)F NMR secondary assay. The screen led to 29% of the hits that are selective over two related bromodomains, BRDT(D1) and BPTF, and the identification of underrepresented chemical bromodomain inhibitor scaffolds. Initial structure-activity relationship studies guided by X-ray crystallography led to a ligand-efficient thiazepane, with good selectivity and affinity for BET bromodomains. These results suggest that the incorporation of 3D-enriched fragments to increase library diversity can benefit bromodomain screening. | |||
Evaluating the Advantages of Using 3D-Enriched Fragments for Targeting BET Bromodomains.,Johnson JA, Nicolaou CA, Kirberger SE, Pandey AK, Hu H, Pomerantz WCK ACS Med Chem Lett. 2019 Nov 22;10(12):1648-1654. doi:, 10.1021/acsmedchemlett.9b00414. eCollection 2019 Dec 12. PMID:31857841<ref>PMID:31857841</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
[[Category: | </div> | ||
<div class="pdbe-citations 6uvm" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Johnson, J A]] | |||
[[Category: Pomerantz, W C.K]] | |||
[[Category: Gene regulation-inhibitor complex]] | |||
[[Category: Inhibitor]] | |||
Revision as of 11:30, 1 January 2020
Cocrystal of BRD4(D1) with a methyl carbamate thiazepane inhibitorCocrystal of BRD4(D1) with a methyl carbamate thiazepane inhibitor
Structural highlights
Disease[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.[1] [2] Function[BRD4_HUMAN] Plays a role in a process governing chromosomal dynamics during mitosis (By similarity). Publication Abstract from PubMedFragment-based ligand discovery has been successful in targeting diverse proteins. Despite drug-like molecules having more 3D character, traditional fragment libraries are largely composed of flat, aromatic fragments. The use of 3D-enriched fragments for enhancing library diversity is underexplored especially against protein-protein interactions. Here, we evaluate using 3D-enriched fragments against bromodomains. Bromodomains are highly ligandable, but selectivity remains challenging, particularly for bromodomain and extraterminal (BET) family bromodomains. We screened a 3D-enriched fragment library against BRD4(D1) via (1)H CPMG NMR with a protein-observed (19)F NMR secondary assay. The screen led to 29% of the hits that are selective over two related bromodomains, BRDT(D1) and BPTF, and the identification of underrepresented chemical bromodomain inhibitor scaffolds. Initial structure-activity relationship studies guided by X-ray crystallography led to a ligand-efficient thiazepane, with good selectivity and affinity for BET bromodomains. These results suggest that the incorporation of 3D-enriched fragments to increase library diversity can benefit bromodomain screening. Evaluating the Advantages of Using 3D-Enriched Fragments for Targeting BET Bromodomains.,Johnson JA, Nicolaou CA, Kirberger SE, Pandey AK, Hu H, Pomerantz WCK ACS Med Chem Lett. 2019 Nov 22;10(12):1648-1654. doi:, 10.1021/acsmedchemlett.9b00414. eCollection 2019 Dec 12. PMID:31857841[3] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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