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==Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated BAZ1B peptide (K221ac)== | ==Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated BAZ1B peptide (K221ac)== | ||
<StructureSection load='5nnf' size='340' side='right' caption='[[5nnf]], [[Resolution|resolution]] 1.15Å' scene=''> | <StructureSection load='5nnf' size='340' side='right'caption='[[5nnf]], [[Resolution|resolution]] 1.15Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[5nnf]] is a 2 chain structure with sequence from [ | <table><tr><td colspan='2'>[[5nnf]] is a 2 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=5NNF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5NNF FirstGlance]. <br> | ||
</td></tr><tr id=' | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.15Å</td></tr> | ||
<tr id=' | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ALY:N(6)-ACETYLLYSINE'>ALY</scene></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5nnf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5nnf OCA], [https://pdbe.org/5nnf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5nnf RCSB], [https://www.ebi.ac.uk/pdbsum/5nnf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5nnf ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Disease == | == 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 == | == 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 == | |||
Targeting bromodomains (BRDs) of the bromo-and-extra-terminal (BET) family offers opportunities for therapeutic intervention in cancer and other diseases. Here, we profile the interactomes of BRD2, BRD3, BRD4, and BRDT following treatment with the pan-BET BRD inhibitor JQ1, revealing broad rewiring of the interaction landscape, with three distinct classes of behavior for the 603 unique interactors identified. A group of proteins associate in a JQ1-sensitive manner with BET BRDs through canonical and new binding modes, while two classes of extra-terminal (ET)-domain binding motifs mediate acetylation-independent interactions. Last, we identify an unexpected increase in several interactions following JQ1 treatment that define negative functions for BRD3 in the regulation of rRNA synthesis and potentially RNAPII-dependent gene expression that result in decreased cell proliferation. Together, our data highlight the contributions of BET protein modules to their interactomes allowing for a better understanding of pharmacological rewiring in response to JQ1. | |||
Interactome Rewiring Following Pharmacological Targeting of BET Bromodomains.,Lambert JP, Picaud S, Fujisawa T, Hou H, Savitsky P, Uuskula-Reimand L, Gupta GD, Abdouni H, Lin ZY, Tucholska M, Knight JDR, Gonzalez-Badillo B, St-Denis N, Newman JA, Stucki M, Pelletier L, Bandeira N, Wilson MD, Filippakopoulos P, Gingras AC Mol Cell. 2018 Dec 13. pii: S1097-2765(18)30948-1. doi:, 10.1016/j.molcel.2018.11.006. PMID:30554943<ref>PMID:30554943</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 5nnf" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[Bromodomain-containing protein 3D structures|Bromodomain-containing protein 3D structures]] | |||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Homo sapiens]] | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: | [[Category: Arrowsmith CH]] | ||
[[Category: | [[Category: Bountra C]] | ||
[[Category: Edwards | [[Category: Edwards AM]] | ||
[[Category: Filippakopoulos | [[Category: Filippakopoulos P]] | ||
[[Category: Krojer | [[Category: Krojer T]] | ||
[[Category: Picaud | [[Category: Picaud S]] | ||
[[Category: | [[Category: Von Delft F]] | ||
Latest revision as of 16:12, 15 November 2023
Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated BAZ1B peptide (K221ac)Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated BAZ1B peptide (K221ac)
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 PubMedTargeting bromodomains (BRDs) of the bromo-and-extra-terminal (BET) family offers opportunities for therapeutic intervention in cancer and other diseases. Here, we profile the interactomes of BRD2, BRD3, BRD4, and BRDT following treatment with the pan-BET BRD inhibitor JQ1, revealing broad rewiring of the interaction landscape, with three distinct classes of behavior for the 603 unique interactors identified. A group of proteins associate in a JQ1-sensitive manner with BET BRDs through canonical and new binding modes, while two classes of extra-terminal (ET)-domain binding motifs mediate acetylation-independent interactions. Last, we identify an unexpected increase in several interactions following JQ1 treatment that define negative functions for BRD3 in the regulation of rRNA synthesis and potentially RNAPII-dependent gene expression that result in decreased cell proliferation. Together, our data highlight the contributions of BET protein modules to their interactomes allowing for a better understanding of pharmacological rewiring in response to JQ1. Interactome Rewiring Following Pharmacological Targeting of BET Bromodomains.,Lambert JP, Picaud S, Fujisawa T, Hou H, Savitsky P, Uuskula-Reimand L, Gupta GD, Abdouni H, Lin ZY, Tucholska M, Knight JDR, Gonzalez-Badillo B, St-Denis N, Newman JA, Stucki M, Pelletier L, Bandeira N, Wilson MD, Filippakopoulos P, Gingras AC Mol Cell. 2018 Dec 13. pii: S1097-2765(18)30948-1. doi:, 10.1016/j.molcel.2018.11.006. PMID:30554943[3] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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