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基本情報
登録情報 | データベース: PDB / ID: 8t9d | ||||||
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タイトル | CryoEM structure of TR-TRAP | ||||||
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![]() | STRUCTURAL PROTEIN / TR-TRAP / mediator / CKM module | ||||||
機能・相同性 | ![]() positive regulation of mediator complex assembly / positive regulation of T cell extravasation / positive regulation of chromatin binding / CKM complex / negative regulation of smooth muscle cell differentiation / enucleate erythrocyte development / regulation of RNA biosynthetic process / positive regulation of type II interferon-mediated signaling pathway / androgen biosynthetic process / positive regulation of G0 to G1 transition ...positive regulation of mediator complex assembly / positive regulation of T cell extravasation / positive regulation of chromatin binding / CKM complex / negative regulation of smooth muscle cell differentiation / enucleate erythrocyte development / regulation of RNA biosynthetic process / positive regulation of type II interferon-mediated signaling pathway / androgen biosynthetic process / positive regulation of G0 to G1 transition / retinal pigment epithelium development / G0 to G1 transition / mammary gland branching involved in thelarche / thyroid hormone receptor signaling pathway / core mediator complex / regulation of vitamin D receptor signaling pathway / nuclear retinoic acid receptor binding / positive regulation of hepatocyte proliferation / ventricular trabecula myocardium morphogenesis / mediator complex / positive regulation of keratinocyte differentiation / thyroid hormone generation / Generic Transcription Pathway / peroxisome proliferator activated receptor binding / embryonic heart tube development / cellular response to thyroid hormone stimulus / nuclear vitamin D receptor binding / embryonic hindlimb morphogenesis / nuclear thyroid hormone receptor binding / lens development in camera-type eye / limb development / embryonic hemopoiesis / triglyceride homeostasis / megakaryocyte development / cellular response to hepatocyte growth factor stimulus / cellular response to steroid hormone stimulus / cortical actin cytoskeleton / positive regulation of intracellular estrogen receptor signaling pathway / negative regulation of neuron differentiation / LBD domain binding / histone acetyltransferase binding / epithelial cell proliferation involved in mammary gland duct elongation / RSV-host interactions / erythrocyte development / fat cell differentiation / mammary gland branching involved in pregnancy / monocyte differentiation / skeletal muscle cell differentiation / general transcription initiation factor binding / blastocyst development / somatic stem cell population maintenance / animal organ regeneration / hematopoietic stem cell differentiation / negative regulation of keratinocyte proliferation / ubiquitin ligase complex / positive regulation of transcription initiation by RNA polymerase II / embryonic placenta development / nuclear receptor-mediated steroid hormone signaling pathway / nuclear retinoid X receptor binding / negative regulation of fibroblast proliferation / RNA polymerase II preinitiation complex assembly / keratinocyte differentiation / : / lactation / Regulation of lipid metabolism by PPARalpha / peroxisome proliferator activated receptor signaling pathway / BMAL1:CLOCK,NPAS2 activates circadian expression / Activation of gene expression by SREBF (SREBP) / cellular response to epidermal growth factor stimulus / positive regulation of erythrocyte differentiation / cholesterol homeostasis / nuclear estrogen receptor binding / nuclear receptor binding / transcription coregulator activity / transcription initiation at RNA polymerase II promoter / mRNA transcription by RNA polymerase II / promoter-specific chromatin binding / chromatin DNA binding / positive regulation of transcription elongation by RNA polymerase II / liver development / Heme signaling / Transcriptional activation of mitochondrial biogenesis / PPARA activates gene expression / protein-DNA complex / Cytoprotection by HMOX1 / brain development / Transcriptional regulation of white adipocyte differentiation / Nuclear Receptor transcription pathway / transcription coactivator binding / cell morphogenesis / : / protein import into nucleus / DNA-directed RNA polymerase activity / ubiquitin protein ligase activity / transcription corepressor activity / actin binding / MLL4 and MLL3 complexes regulate expression of PPARG target genes in adipogenesis and hepatic steatosis / angiogenesis / transcription regulator complex / DNA-binding transcription factor 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: 4.66 Å | ||||||
![]() | Zhao, H. / Asturias, F. | ||||||
資金援助 | ![]()
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![]() | ![]() タイトル: An IDR-dependent mechanism for nuclear receptor control of Mediator interaction with RNA polymerase II. 著者: Haiyan Zhao / Jiaqin Li / Yufei Xiang / Sohail Malik / Supriya V Vartak / Giovana M B Veronezi / Natalie Young / McKayla Riney / Jens Kalchschmidt / Andrea Conte / Seol Kyoung Jung / Srinivas ...著者: Haiyan Zhao / Jiaqin Li / Yufei Xiang / Sohail Malik / Supriya V Vartak / Giovana M B Veronezi / Natalie Young / McKayla Riney / Jens Kalchschmidt / Andrea Conte / Seol Kyoung Jung / Srinivas Ramachandran / Robert G Roeder / Yi Shi / Rafael Casellas / Francisco J Asturias / ![]() 要旨: The essential Mediator (MED) coactivator complex plays a well-understood role in regulation of basal transcription in all eukaryotes, but the mechanism underlying its role in activator-dependent ...The essential Mediator (MED) coactivator complex plays a well-understood role in regulation of basal transcription in all eukaryotes, but the mechanism underlying its role in activator-dependent transcription remains unknown. We investigated modulation of metazoan MED interaction with RNA polymerase II (RNA Pol II) by antagonistic effects of the MED26 subunit and the CDK8 kinase module (CKM). Biochemical analysis of CKM-MED showed that the CKM blocks binding of the RNA Pol II carboxy-terminal domain (CTD), preventing RNA Pol II interaction. This restriction is eliminated by nuclear receptor (NR) binding to CKM-MED, which enables CTD binding in a MED26-dependent manner. Cryoelectron microscopy (cryo-EM) and crosslinking-mass spectrometry (XL-MS) revealed that the structural basis for modulation of CTD interaction with MED relates to a large intrinsically disordered region (IDR) in CKM subunit MED13 that blocks MED26 and CTD interaction with MED but is repositioned upon NR binding. Hence, NRs can control transcription initiation by priming CKM-MED for MED26-dependent RNA Pol II interaction. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
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ダウンロード
PDBx/mmCIF形式 | ![]() | 1.3 MB | 表示 | ![]() |
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PDB形式 | ![]() | 955.4 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 | ![]() | 1.5 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1.6 MB | 表示 | |
XML形式データ | ![]() | 190.9 KB | 表示 | |
CIF形式データ | ![]() | 308.4 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 | ![]() 41107MC ![]() 8t1iC ![]() 8t1lC 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 ( |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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リンク
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集合体
登録構造単位 | ![]()
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要素
+Mediator of RNA polymerase II transcription subunit ... , 25種, 25分子 ABCDEFGHIJKLMOPQRSTVWXYZ9
-タンパク質・ペプチド , 1種, 1分子 a
#25: タンパク質・ペプチド | 分子量: 1720.111 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() |
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-詳細
Has protein modification | Y |
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-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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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 |
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試料調製
構成要素 | 名称: mediator complex with transcription factor TR / タイプ: COMPLEX / Entity ID: all / 由来: NATURAL |
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由来(天然) | 生物種: ![]() |
緩衝液 | pH: 7.9 |
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 |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Talos Arctica / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TECNAI ARCTICA |
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): 35000 nm / 最小 デフォーカス(公称値): 800 nm |
撮影 | 電子線照射量: 100 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
CTF補正 | タイプ: NONE |
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3次元再構成 | 解像度: 4.66 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 31505 / 対称性のタイプ: POINT |