- EMDB-18375: RNA polymerase II bound to Alu RNA right arm -
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基本情報
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データベース: EMDB / ID: EMD-18375
タイトル
RNA polymerase II bound to Alu RNA right arm
マップデータ
Locally filtered, unsharpened map
試料
複合体: RNA Polymerase II bound to Alu RNA right arm
複合体: RNA polymerase II
タンパク質・ペプチド: x 11種
複合体: Alu RNA Right Arm
リガンド: x 1種
キーワード
transcription inhibition / noncoding RNA / RNA polymerase II / Alu RNA / TRANSCRIPTION
機能・相同性
機能・相同性情報
Formation of RNA Pol II elongation complex / Formation of the Early Elongation Complex / Transcriptional regulation by small RNAs / RNA Polymerase II Pre-transcription Events / TP53 Regulates Transcription of DNA Repair Genes / FGFR2 alternative splicing / RNA polymerase II transcribes snRNA genes / mRNA Capping / mRNA Splicing - Minor Pathway / Processing of Capped Intron-Containing Pre-mRNA ...Formation of RNA Pol II elongation complex / Formation of the Early Elongation Complex / Transcriptional regulation by small RNAs / RNA Polymerase II Pre-transcription Events / TP53 Regulates Transcription of DNA Repair Genes / FGFR2 alternative splicing / RNA polymerase II transcribes snRNA genes / mRNA Capping / mRNA Splicing - Minor Pathway / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Elongation / RNA Polymerase II Transcription Initiation And Promoter Clearance / RNA Pol II CTD phosphorylation and interaction with CE / Estrogen-dependent gene expression / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / mRNA Splicing - Major Pathway / nuclear lumen / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / transcription by RNA polymerase III / transcription by RNA polymerase I / RNA polymerase I complex / transcription elongation by RNA polymerase I / RNA polymerase III complex / transcription-coupled nucleotide-excision repair / RNA polymerase II, core complex / tRNA transcription by RNA polymerase III / : / DNA-directed RNA polymerase activity / DNA-directed RNA polymerase complex / transcription initiation at RNA polymerase II promoter / DNA-templated transcription initiation / ribonucleoside binding / : / : / : / fibrillar center / : / : / : / DNA-directed RNA polymerase / transcription by RNA polymerase II / nucleic acid binding / protein dimerization activity / DNA-templated transcription / nucleolus / mitochondrion / DNA binding / zinc ion binding / metal ion binding / nucleus / cytosol 類似検索 - 分子機能
DNA-directed RNA polymerase subunit beta / RNA polymerase II, I and III subunit K / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerase subunit / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase subunit / DNA-directed RNA polymerase II subunit RPB11-a / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerase II subunit RPB3 / DNA-directed RNA polymerase II subunit E / DNA-directed RNA polymerase II subunit RPB9 類似検索 - 構成要素
ジャーナル: Nat Struct Mol Biol / 年: 2025 タイトル: Mechanism of mammalian transcriptional repression by noncoding RNA. 著者: Katarína Tlučková / Beata Kaczmarek / Anita Salmazo / Carrie Bernecky / 要旨: Transcription by RNA polymerase II (Pol II) can be repressed by noncoding RNA, including the human RNA Alu. However, the mechanism by which endogenous RNAs repress transcription remains unclear. Here ...Transcription by RNA polymerase II (Pol II) can be repressed by noncoding RNA, including the human RNA Alu. However, the mechanism by which endogenous RNAs repress transcription remains unclear. Here we present cryogenic-electron microscopy structures of Pol II bound to Alu RNA, which reveal that Alu RNA mimics how DNA and RNA bind to Pol II during transcription elongation. Further, we show how distinct domains of the general transcription factor TFIIF control repressive activity. Together, we reveal how a noncoding RNA can regulate mammalian gene expression.