- EMDB-3178: Cryo-EM structure of yeast RNA polymerase III elongation complex ... -
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基本情報
登録情報
データベース: EMDB / ID: EMD-3178
タイトル
Cryo-EM structure of yeast RNA polymerase III elongation complex at 3.9 A
マップデータ
Reconstruction of elongating RNA polymerase III
試料
試料: S.cerevisiae RNA polymerase III elongation complex at 3.9 A
タンパク質・ペプチド: RNA polymerase III
Other: Transcription Bubble
キーワード
RNA polymerase III / pol III / transcription / RNA polymerase
機能・相同性
機能・相同性情報
RNA Polymerase I Transcription Initiation / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / mRNA Capping / RNA polymerase II transcribes snRNA genes / TP53 Regulates Transcription of DNA Repair Genes / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening ...RNA Polymerase I Transcription Initiation / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / mRNA Capping / RNA polymerase II transcribes snRNA genes / TP53 Regulates Transcription of DNA Repair Genes / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Initiation And Promoter Clearance / termination of RNA polymerase III transcription / RNA Polymerase II Pre-transcription Events / RNA-templated transcription / Formation of TC-NER Pre-Incision Complex / RNA Polymerase I Promoter Escape / transcription initiation at RNA polymerase III promoter / termination of RNA polymerase I transcription / nucleolar large rRNA transcription by RNA polymerase I / Gap-filling DNA repair synthesis and ligation in TC-NER / transcription initiation at RNA polymerase I promoter / Estrogen-dependent gene expression / Dual incision in TC-NER / transcription by RNA polymerase III / transcription by RNA polymerase I / RNA polymerase I complex / transcription elongation by RNA polymerase I / RNA polymerase III complex / RNA polymerase II, core complex / tRNA transcription by RNA polymerase III / : / nucleotidyltransferase activity / DNA-directed RNA polymerase activity / transcription initiation at RNA polymerase II promoter / transcription elongation by RNA polymerase II / ribonucleoside binding / : / : / : / : / : / : / DNA-directed RNA polymerase / peroxisome / ribosome biogenesis / single-stranded DNA binding / transcription by RNA polymerase II / nucleic acid binding / protein dimerization activity / nucleotide binding / nucleolus / mitochondrion / DNA binding / zinc ion binding / nucleoplasm / metal ion binding / nucleus / cytosol / cytoplasm 類似検索 - 分子機能
DNA-directed RNA polymerase III subunit RPC1 / DNA-directed RNA polymerases I and III subunit RPAC1 / DNA-directed RNA polymerase III subunit RPC7 / DNA-directed RNA polymerases I, II, and III subunit RPABC1 / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase III subunit RPC2 / DNA-directed RNA polymerase III subunit RPC4 / DNA-directed RNA polymerases I and III subunit RPAC2 ...DNA-directed RNA polymerase III subunit RPC1 / DNA-directed RNA polymerases I and III subunit RPAC1 / DNA-directed RNA polymerase III subunit RPC7 / DNA-directed RNA polymerases I, II, and III subunit RPABC1 / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase III subunit RPC2 / DNA-directed RNA polymerase III subunit RPC4 / DNA-directed RNA polymerases I and III subunit RPAC2 / DNA-directed RNA polymerase III subunit RPC3 / DNA-directed RNA polymerase III subunit RPC6 / DNA-directed RNA polymerase III subunit RPC8 / DNA-directed RNA polymerase III subunit RPC5 / DNA-directed RNA polymerases I, II, and III subunit RPABC4 / DNA-directed RNA polymerase III subunit RPC9 / DNA-directed RNA polymerase III subunit RPC10 類似検索 - 構成要素
ジャーナル: Nature / 年: 2015 タイトル: Molecular structures of unbound and transcribing RNA polymerase III. 著者: Niklas A Hoffmann / Arjen J Jakobi / María Moreno-Morcillo / Sebastian Glatt / Jan Kosinski / Wim J H Hagen / Carsten Sachse / Christoph W Müller / 要旨: Transcription of genes encoding small structured RNAs such as transfer RNAs, spliceosomal U6 small nuclear RNA and ribosomal 5S RNA is carried out by RNA polymerase III (Pol III), the largest yet ...Transcription of genes encoding small structured RNAs such as transfer RNAs, spliceosomal U6 small nuclear RNA and ribosomal 5S RNA is carried out by RNA polymerase III (Pol III), the largest yet structurally least characterized eukaryotic RNA polymerase. Here we present the cryo-electron microscopy structures of the Saccharomyces cerevisiae Pol III elongating complex at 3.9 Å resolution and the apo Pol III enzyme in two different conformations at 4.6 and 4.7 Å resolution, respectively, which allow the building of a 17-subunit atomic model of Pol III. The reconstructions reveal the precise orientation of the C82-C34-C31 heterotrimer in close proximity to the stalk. The C53-C37 heterodimer positions residues involved in transcription termination close to the non-template DNA strand. In the apo Pol III structures, the stalk adopts different orientations coupled with closed and open conformations of the clamp. Our results provide novel insights into Pol III-specific transcription and the adaptation of Pol III towards its small transcriptional targets.