+
データを開く
-
基本情報
登録情報 | データベース: PDB / ID: 8vrt | ||||||
---|---|---|---|---|---|---|---|
タイトル | The structure of LSD1-CoREST-HDAC1 in complex with KBTBD4R313PRR mutant | ||||||
![]() |
| ||||||
![]() | LIGASE / protein degradation / E3 ligase / Neo-substrate / cancer mutation | ||||||
機能・相同性 | ![]() Loss of MECP2 binding ability to 5mC-DNA / Krueppel-associated box domain binding / Repression of WNT target genes / MECP2 regulates transcription of neuronal ligands / protein lysine delactylase activity / p75NTR negatively regulates cell cycle via SC1 / epidermal cell differentiation / positive regulation of megakaryocyte differentiation / histone decrotonylase activity / fungiform papilla formation ...Loss of MECP2 binding ability to 5mC-DNA / Krueppel-associated box domain binding / Repression of WNT target genes / MECP2 regulates transcription of neuronal ligands / protein lysine delactylase activity / p75NTR negatively regulates cell cycle via SC1 / epidermal cell differentiation / positive regulation of megakaryocyte differentiation / histone decrotonylase activity / fungiform papilla formation / NuRD complex / negative regulation of androgen receptor signaling pathway / regulation of cell fate specification / negative regulation of stem cell population maintenance / endoderm development / histone deacetylase activity, hydrolytic mechanism / Transcription of E2F targets under negative control by p107 (RBL1) and p130 (RBL2) in complex with HDAC1 / histone deacetylase / protein deacetylation / regulation of stem cell differentiation / Regulation of MITF-M-dependent genes involved in apoptosis / STAT3 nuclear events downstream of ALK signaling / Transcription of E2F targets under negative control by DREAM complex / DNA repair complex / protein lysine deacetylase activity / 加水分解酵素; ペプチド以外のCN結合加水分解酵素; 鎖状アミドに作用 / embryonic digit morphogenesis / histone deacetylase activity / positive regulation of intracellular estrogen receptor signaling pathway / DNA methylation-dependent constitutive heterochromatin formation / Notch-HLH transcription pathway / negative regulation of gene expression, epigenetic / E-box binding / Sin3-type complex / G1/S-Specific Transcription / positive regulation of stem cell population maintenance / negative regulation of intrinsic apoptotic signaling pathway / eyelid development in camera-type eye / odontogenesis of dentin-containing tooth / histone methyltransferase complex / oligodendrocyte differentiation / positive regulation of oligodendrocyte differentiation / RNA Polymerase I Transcription Initiation / histone deacetylase complex / G0 and Early G1 / Regulation of MECP2 expression and activity / host-mediated suppression of viral transcription / hair follicle placode formation / NF-kappaB binding / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / Regulation of MITF-M-dependent genes involved in cell cycle and proliferation / Transcriptional regulation of brown and beige adipocyte differentiation by EBF2 / RNA polymerase II core promoter sequence-specific DNA binding / heterochromatin / core promoter sequence-specific DNA binding / Nuclear events stimulated by ALK signaling in cancer / MECP2 regulates neuronal receptors and channels / Regulation of TP53 Activity through Acetylation / cellular response to platelet-derived growth factor stimulus / negative regulation of canonical NF-kappaB signal transduction / transcription repressor complex / positive regulation of smooth muscle cell proliferation / Transcriptional and post-translational regulation of MITF-M expression and activity / Deactivation of the beta-catenin transactivating complex / SUMOylation of chromatin organization proteins / negative regulation of cell migration / Downregulation of SMAD2/3:SMAD4 transcriptional activity / Regulation of PTEN gene transcription / SMAD2/SMAD3:SMAD4 heterotrimer regulates transcription / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / erythrocyte differentiation / transcription corepressor binding / Regulation of endogenous retroelements by KRAB-ZFP proteins / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / hippocampus development / HDACs deacetylate histones / promoter-specific chromatin binding / NOTCH1 Intracellular Domain Regulates Transcription / circadian regulation of gene expression / negative regulation of transforming growth factor beta receptor signaling pathway / Formation of the beta-catenin:TCF transactivating complex / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / negative regulation of canonical Wnt signaling pathway / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / NoRC negatively regulates rRNA expression / histone deacetylase binding / neuron differentiation / p53 binding / transcription corepressor activity / heterochromatin formation / Factors involved in megakaryocyte development and platelet production / chromatin organization / transcription regulator complex / DNA-binding transcription factor binding / Estrogen-dependent gene expression / Potential therapeutics for SARS / RNA polymerase II-specific DNA-binding transcription factor binding / chromatin remodeling / RNA polymerase II cis-regulatory region sequence-specific DNA binding 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.42 Å | ||||||
![]() | Xie, X. / Liau, B. / Zheng, N. | ||||||
資金援助 | ![]()
| ||||||
![]() | ![]() タイトル: Converging mechanism of UM171 and KBTBD4 neomorphic cancer mutations. 著者: Xiaowen Xie / Olivia Zhang / Megan J R Yeo / Ceejay Lee / Ran Tao / Stefan A Harry / N Connor Payne / Eunju Nam / Leena Paul / Yiran Li / Hui Si Kwok / Hanjie Jiang / Haibin Mao / Jennifer L ...著者: Xiaowen Xie / Olivia Zhang / Megan J R Yeo / Ceejay Lee / Ran Tao / Stefan A Harry / N Connor Payne / Eunju Nam / Leena Paul / Yiran Li / Hui Si Kwok / Hanjie Jiang / Haibin Mao / Jennifer L Hadley / Hong Lin / Melissa Batts / Pallavi M Gosavi / Vincenzo D'Angiolella / Philip A Cole / Ralph Mazitschek / Paul A Northcott / Ning Zheng / Brian B Liau / ![]() ![]() 要旨: Cancer mutations can create neomorphic protein-protein interactions to drive aberrant function. As a substrate receptor of the CULLIN3-RING E3 ubiquitin ligase complex, KBTBD4 is recurrently mutated ...Cancer mutations can create neomorphic protein-protein interactions to drive aberrant function. As a substrate receptor of the CULLIN3-RING E3 ubiquitin ligase complex, KBTBD4 is recurrently mutated in medulloblastoma, the most common embryonal brain tumour in children. These mutations impart gain-of-function to KBTBD4 to induce aberrant degradation of the transcriptional corepressor CoREST. However, their mechanism remains unresolved. Here we establish that KBTBD4 mutations promote CoREST degradation through engaging HDAC1/2 as the direct target of the mutant substrate receptor. Using deep mutational scanning, we chart the mutational landscape of the KBTBD4 cancer hotspot, revealing distinct preferences by which insertions and substitutions can promote gain-of-function and the critical residues involved in the hotspot interaction. Cryo-electron microscopy analysis of two distinct KBTBD4 cancer mutants bound to LSD1-HDAC1-CoREST reveals that a KBTBD4 homodimer asymmetrically engages HDAC1 with two KELCH-repeat β-propeller domains. The interface between HDAC1 and one of the KBTBD4 β-propellers is stabilized by the medulloblastoma mutations, which insert a bulky side chain into the HDAC1 active site pocket. Our structural and mutational analyses inform how this hotspot E3-neosubstrate interface can be chemically modulated. First, we unveil a converging shape-complementarity-based mechanism between gain-of-function E3 mutations and a molecular glue degrader, UM171. Second, we demonstrate that HDAC1/2 inhibitors can block the mutant KBTBD4-HDAC1 interface and proliferation of KBTBD4-mutant medulloblastoma cells. Altogether, our work reveals the structural and mechanistic basis of cancer mutation-driven neomorphic protein-protein interactions. | ||||||
履歴 |
|
-
構造の表示
構造ビューア | 分子: ![]() ![]() |
---|
-
ダウンロードとリンク
-
ダウンロード
PDBx/mmCIF形式 | ![]() | 318.4 KB | 表示 | ![]() |
---|---|---|---|---|
PDB形式 | ![]() | 250.4 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.4 MB | 表示 | ![]() |
---|---|---|---|---|
文書・詳細版 | ![]() | 1.4 MB | 表示 | |
XML形式データ | ![]() | 60.7 KB | 表示 | |
CIF形式データ | ![]() | 89.5 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 43487MC ![]() 8vpqC ![]() 9dtqC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
---|---|
類似構造データ | 類似検索 - 機能・相同性 ![]() |
-
リンク
-
集合体
登録構造単位 | ![]()
|
---|---|
1 |
|
-
要素
#1: タンパク質 | 分子量: 58463.059 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() #2: タンパク質 | | 分子量: 55178.906 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 参照: UniProt: Q13547, histone deacetylase, 加水分解酵素; ペプチド以外のCN結合加水分解酵素; 鎖状アミドに作用 #3: タンパク質 | | 分子量: 45974.441 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() #4: 化合物 | ChemComp-ZN / | #5: 化合物 | ChemComp-IHP / | 研究の焦点であるリガンドがあるか | Y | Has protein modification | N | |
---|
-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
---|---|
EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
-
試料調製
構成要素 | 名称: LHC-KBTBD4PRRmutant / タイプ: COMPLEX / Entity ID: #1-#3 / 由来: RECOMBINANT |
---|---|
由来(天然) | 生物種: ![]() |
由来(組換発現) | 生物種: ![]() |
緩衝液 | pH: 7.5 |
試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
急速凍結 | 凍結剤: ETHANE |
-
電子顕微鏡撮影
顕微鏡 | モデル: TFS GLACIOS |
---|---|
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 1800 nm / 最小 デフォーカス(公称値): 800 nm |
撮影 | 電子線照射量: 49 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
-
解析
EMソフトウェア | 名称: PHENIX / バージョン: 1.21.1_5286: / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CTF補正 | タイプ: PHASE FLIPPING ONLY | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.42 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 110048 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
|