- EMDB-61287: The RNA polymerase II elongation complex from Saccharomyces cerevisiae -
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基本情報
登録情報
データベース: EMDB / ID: EMD-61287
タイトル
The RNA polymerase II elongation complex from Saccharomyces cerevisiae
マップデータ
Full map of polymase II elongation complex from Saccharomyces cerevisiae
試料
複合体: The RNA polymerase II elongation complex from Saccharomyces cerevisiae
複合体: RNA polymerase II
タンパク質・ペプチド: x 11種
複合体: DNA, RNA
RNA: x 1種
DNA: x 2種
リガンド: x 3種
キーワード
RNA polymerase / elongation complex / BIOSYNTHETIC PROTEIN
機能・相同性
機能・相同性情報
RPB4-RPB7 complex / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / 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 / termination of RNA polymerase II transcription ...RPB4-RPB7 complex / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / 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 / termination of RNA polymerase II transcription / 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 / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / Formation of TC-NER Pre-Incision Complex / transcription initiation at RNA polymerase III promoter / RNA Polymerase I Promoter Escape / 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 / nuclear-transcribed mRNA catabolic process / positive regulation of translational initiation / transcription by RNA polymerase III / Dual incision in TC-NER / translesion synthesis / 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 / transcription by RNA polymerase I / translation initiation factor binding / transcription initiation at RNA polymerase II promoter / transcription elongation by RNA polymerase II / DNA-templated transcription initiation / P-body / ribonucleoside binding / mRNA processing / DNA-directed RNA polymerase / cytoplasmic stress granule / DNA-directed RNA polymerase activity / peroxisome / ribosome biogenesis / single-stranded DNA binding / transcription by RNA polymerase II / single-stranded RNA binding / protein dimerization activity / nucleotide binding / mRNA binding / nucleolus / mitochondrion / DNA binding / zinc ion binding / nucleoplasm / metal ion binding / nucleus / cytoplasm 類似検索 - 分子機能
DNA-directed RNA polymerase II subunit RPB1 / DNA-directed RNA polymerase II subunit RPB2 / DNA-directed RNA polymerase II subunit RPB3 / DNA-directed RNA polymerase II subunit RPB4 / 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 II subunit RPB7 / DNA-directed RNA polymerase II subunit RPB11 / DNA-directed RNA polymerases I, II, and III subunit RPABC4 類似検索 - 構成要素
ジャーナル: Nat Commun / 年: 2024 タイトル: Open architecture of archaea MCM and dsDNA complexes resolved using monodispersed streptavidin affinity CryoEM. 著者: Jianbing Ma / Gangshun Yi / Mingda Ye / Craig MacGregor-Chatwin / Yuewen Sheng / Ying Lu / Ming Li / Qingrong Li / Dong Wang / Robert J C Gilbert / Peijun Zhang / 要旨: The cryo-electron microscopy (cryoEM) method has enabled high-resolution structure determination of numerous biomolecules and complexes. Nevertheless, cryoEM sample preparation of challenging ...The cryo-electron microscopy (cryoEM) method has enabled high-resolution structure determination of numerous biomolecules and complexes. Nevertheless, cryoEM sample preparation of challenging proteins and complexes, especially those with low abundance or with preferential orientation, remains a major hurdle. We developed an affinity-grid method employing monodispersed single particle streptavidin on a lipid monolayer to enhance particle absorption on the grid surface and alleviate sample exposure to the air-water interface. Using this approach, we successfully enriched the Thermococcus kodakarensis mini-chromosome maintenance complex 3 (MCM3) on cryoEM grids through biotinylation and resolved its structure. We further utilized this affinity method to tether the biotin-tagged dsDNA to selectively enrich a stable MCM3-ATP-dsDNA complex for cryoEM structure determination. Intriguingly, both MCM3 apo and dsDNA bound structures exhibit left-handed open spiral conformations, distinct from other reported MCM structures. The large open gate is sufficient to accommodate a dsDNA which could potentially be melted. The value of mspSA affinity method was further demonstrated by mitigating the issue of preferential angular distribution of HIV-1 capsid protein hexamer and RNA polymerase II elongation complex from Saccharomyces cerevisiae.