+
データを開く
-
基本情報
登録情報 | データベース: PDB / ID: 7xtd | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
タイトル | RNA polymerase II elongation complex transcribing a nucleosome (EC58oct) | ||||||||||||||||||||||||
![]() |
| ||||||||||||||||||||||||
![]() | TRANSCRIPTION/DNA/RNA / chromatin / nucleosome / TRANSCRIPTION / TRANSCRIPTION-DNA-RNA complex | ||||||||||||||||||||||||
機能・相同性 | ![]() constitutive heterochromatin formation / FACT complex / RNA polymerase II C-terminal domain phosphoserine binding / regulation of septum digestion after cytokinesis / Cdc73/Paf1 complex / siRNA-mediated pericentric heterochromatin formation / histone chaperone activity / negative regulation of chromosome condensation / DSIF complex / Barr body ...constitutive heterochromatin formation / FACT complex / RNA polymerase II C-terminal domain phosphoserine binding / regulation of septum digestion after cytokinesis / Cdc73/Paf1 complex / siRNA-mediated pericentric heterochromatin formation / histone chaperone activity / negative regulation of chromosome condensation / DSIF complex / Barr body / regulation of centromere complex assembly / RPB4-RPB7 complex / chromatin-protein adaptor activity / pericentric heterochromatin formation / inner kinetochore / nucleosome organization / transcription elongation factor activity / muscle cell differentiation / oocyte maturation / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / nucleosomal DNA binding / poly(A)+ mRNA export from nucleus / termination of RNA polymerase II transcription / transcription elongation-coupled chromatin remodeling / termination of RNA polymerase III transcription / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / nucleus organization / spermatid development / transcription initiation at RNA polymerase III promoter / termination of RNA polymerase I transcription / RNA polymerase II complex binding / transcription initiation at RNA polymerase I promoter / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / positive regulation of translational initiation / chromosome, centromeric region / single fertilization / negative regulation of tumor necrosis factor-mediated signaling pathway / translation elongation factor activity / negative regulation of megakaryocyte differentiation / subtelomeric heterochromatin formation / protein localization to CENP-A containing chromatin / RNA polymerase I complex / transcription elongation by RNA polymerase I / RNA polymerase III complex / pericentric heterochromatin / transcription-coupled nucleotide-excision repair / RNA polymerase II core promoter sequence-specific DNA binding / Replacement of protamines by nucleosomes in the male pronucleus / RNA polymerase II, core complex / CENP-A containing nucleosome / tRNA transcription by RNA polymerase III / nucleosome binding / : / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / translation initiation factor binding / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Deposition of new CENPA-containing nucleosomes at the centromere / embryo implantation / telomere organization / DNA-directed RNA polymerase activity / Inhibition of DNA recombination at telomere / Meiotic synapsis / RNA Polymerase I Promoter Opening / Assembly of the ORC complex at the origin of replication / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / innate immune response in mucosa / SUMOylation of chromatin organization proteins / DNA methylation / Condensation of Prophase Chromosomes / Chromatin modifications during the maternal to zygotic transition (MZT) / HCMV Late Events / SIRT1 negatively regulates rRNA expression / transcription elongation factor complex / regulation of DNA-templated transcription elongation / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / positive regulation of transcription elongation by RNA polymerase II / HDACs deacetylate histones / Nonhomologous End-Joining (NHEJ) / transcription initiation at RNA polymerase II promoter / RNA Polymerase I Promoter Escape / transcription elongation by RNA polymerase II / lipopolysaccharide binding / Transcriptional regulation by small RNAs / P-body / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / G2/M DNA damage checkpoint / HDMs demethylate histones / NoRC negatively regulates rRNA expression / multicellular organism growth / DNA Damage/Telomere Stress Induced Senescence / B-WICH complex positively regulates rRNA expression 類似検索 - 分子機能 | ||||||||||||||||||||||||
生物種 | ![]() ![]() synthetic construct (人工物) | ||||||||||||||||||||||||
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: 3.9 Å | ||||||||||||||||||||||||
![]() | Ehara, H. / Kujirai, T. / Shirouzu, M. / Kurumizaka, H. / Sekine, S. | ||||||||||||||||||||||||
資金援助 | ![]()
| ||||||||||||||||||||||||
![]() | ![]() タイトル: Structural basis of nucleosome disassembly and reassembly by RNAPII elongation complex with FACT. 著者: Haruhiko Ehara / Tomoya Kujirai / Mikako Shirouzu / Hitoshi Kurumizaka / Shun-Ichi Sekine / ![]() 要旨: During gene transcription, RNA polymerase II (RNAPII) traverses nucleosomes in chromatin, but the mechanism has remained elusive. Using cryo-electron microscopy, we obtained structures of the RNAPII ...During gene transcription, RNA polymerase II (RNAPII) traverses nucleosomes in chromatin, but the mechanism has remained elusive. Using cryo-electron microscopy, we obtained structures of the RNAPII elongation complex (EC) passing through a nucleosome in the presence of the transcription elongation factors Spt6, Spn1, Elf1, Spt4/5, and Paf1C and the histone chaperone FACT (facilitates chromatin transcription). The structures show snapshots of EC progression on DNA mediating downstream nucleosome disassembly, followed by its reassembly upstream of the EC, which is facilitated by FACT. FACT dynamically adapts to successively occurring subnucleosome intermediates, forming an interface with the EC. Spt6, Spt4/5, and Paf1C form a "cradle" at the EC DNA-exit site and support the upstream nucleosome reassembly. These structures explain the mechanism by which the EC traverses nucleosomes while maintaining the chromatin structure and epigenetic information. | ||||||||||||||||||||||||
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 | ![]() | 1.9 MB | 表示 | ![]() |
---|---|---|---|---|
PDB形式 | ![]() | 表示 | ![]() | |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
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 | ![]() 33447MC ![]() 7xn7C ![]() 7xseC ![]() 7xsxC ![]() 7xszC ![]() 7xt7C ![]() 7xtiC 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
+DNA-directed RNA polymerase ... , 3種, 3分子 ABI
+RNA polymerase II ... , 4種, 4分子 CDGK
+DNA-directed RNA polymerases I, II, and III subunit ... , 2種, 2分子 EH
+タンパク質 , 11種, 15分子 Fnqruvxaebfcgdh
+RNA polymerase subunit ABC10- ... , 2種, 2分子 JL
+Transcription elongation factor ... , 4種, 4分子 MVWm
+DNA鎖 , 2種, 2分子 NT
+RNA鎖 , 1種, 1分子 P
+FACT complex ... , 2種, 2分子 jk
+非ポリマー , 2種, 11分子 


+詳細
-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 |
| ||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分子量 | 実験値: NO | ||||||||||||||||||||||||||||||||||||||||||
由来(天然) |
| ||||||||||||||||||||||||||||||||||||||||||
由来(組換発現) |
| ||||||||||||||||||||||||||||||||||||||||||
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
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
---|---|
顕微鏡 | モデル: TFS KRIOS |
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): 2500 nm / 最小 デフォーカス(公称値): 1000 nm |
撮影 | 電子線照射量: 51 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
-
解析
CTF補正 | タイプ: NONE |
---|---|
3次元再構成 | 解像度: 3.9 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 38828 / 対称性のタイプ: POINT |