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8CZA

Crystal structure of the first bromodomain (BD1) of human BRDT bound to GXH-IV-075

8CZA の概要
エントリーDOI10.2210/pdb8cza/pdb
分子名称Bromodomain testis-specific protein, 4-[(4-{4-chloro-3-[(2-methylpropane-2-sulfonyl)amino]anilino}-5-methylpyrimidin-2-yl)amino]-2-fluoro-N-[1-(14-{3-[(2-{3-fluoro-4-[(piperidin-4-yl)carbamoyl]anilino}-5-methylpyrimidin-4-yl)amino]-5-[(2-methylpropane-2-sulfonyl)amino]phenyl}-14-oxo-4,7,10-trioxa-13-azatetradecanan-1-oyl)piperidin-4-yl]benzamide, SODIUM ION, ... (4 entities in total)
機能のキーワードbrdt, brd, bet, gene regulation, contraceptive, cancer
由来する生物種Homo sapiens (human)
タンパク質・核酸の鎖数6
化学式量合計84087.20
構造登録者
Chan, A.,Schonbrunn, E. (登録日: 2022-05-24, 公開日: 2022-08-03, 最終更新日: 2023-10-18)
主引用文献Guan, X.,Cheryala, N.,Karim, R.M.,Chan, A.,Berndt, N.,Qi, J.,Georg, G.I.,Schonbrunn, E.
Bivalent BET Bromodomain Inhibitors Confer Increased Potency and Selectivity for BRDT via Protein Conformational Plasticity.
J.Med.Chem., 65:10441-10458, 2022
Cited by
PubMed Abstract: Bromodomain and extraterminal domain (BET) proteins are important regulators of gene transcription and chromatin remodeling. BET family members BRD4 and BRDT are validated targets for cancer and male contraceptive drug development, respectively. Due to the high structural similarity of the acetyl-lysine binding sites, most reported inhibitors lack intra-BET selectivity. We surmised that protein-protein interactions induced by bivalent inhibitors may differ between BRD4 and BRDT, conferring an altered selectivity profile. Starting from nonselective monovalent inhibitors, we developed cell-active bivalent BET inhibitors with increased activity and selectivity for BRDT. X-ray crystallographic and solution studies revealed unique structural states of BRDT and BRD4 upon interaction with bivalent inhibitors. Varying spacer lengths and symmetric vs unsymmetric connections resulted in the same dimeric states, whereas different chemotypes induced different dimers. The findings indicate that the increased intra-BET selectivity of bivalent inhibitors is due to the differential plasticity of BET bromodomains upon inhibitor-induced dimerization.
PubMed: 35867655
DOI: 10.1021/acs.jmedchem.2c00453
主引用文献が同じPDBエントリー
実験手法
X-RAY DIFFRACTION (2.96 Å)
構造検証レポート
Validation report summary of 8cza
検証レポート(詳細版)ダウンロードをダウンロード

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件を2024-12-18に公開中

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