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Yorodumi- EMDB-66103: Co-transcriptional histone H3K36 methylation complex containing R... -
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Basic information
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| Title | Co-transcriptional histone H3K36 methylation complex containing RNA polymerase II elongation complex, Set2, and the upstream nucleosome. (temp115, type B) | |||||||||||||||||||||||||||||||||||||||
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Keywords | chromatin / nucleosome / TRANSCRIPTION | |||||||||||||||||||||||||||||||||||||||
| Function / homology | Function and homology informationsnoRNA transcription by RNA polymerase II / sno(s)RNA transcription / negative regulation of antisense RNA transcription / regulation of transcription initiation by RNA polymerase II / negative regulation of reciprocal meiotic recombination / negative regulation of transcription elongation by RNA polymerase I / sno(s)RNA 3'-end processing / histone H3K36 dimethyltransferase activity / positive regulation of transcription elongation by RNA polymerase I / mating-type region heterochromatin ...snoRNA transcription by RNA polymerase II / sno(s)RNA transcription / negative regulation of antisense RNA transcription / regulation of transcription initiation by RNA polymerase II / negative regulation of reciprocal meiotic recombination / negative regulation of transcription elongation by RNA polymerase I / sno(s)RNA 3'-end processing / histone H3K36 dimethyltransferase activity / positive regulation of transcription elongation by RNA polymerase I / mating-type region heterochromatin / regulation of septum digestion after cytokinesis / transcription antitermination factor activity, DNA binding / RNA polymerase II C-terminal domain phosphoserine binding / ascospore formation / [histone H3]-lysine36 N-trimethyltransferase / co-transcriptional lncRNA 3' end processing, cleavage and polyadenylation pathway / regulation of transcription-coupled nucleotide-excision repair / triplex DNA binding / Cdc73/Paf1 complex / histone H3K36 trimethyltransferase activity / siRNA-mediated pericentric heterochromatin formation / regulation of mRNA 3'-end processing / Barr body / RNA polymerase I core binding / DSIF complex / regulation of rRNA processing / RNA polymerase I general transcription initiation factor binding / intracellular mRNA localization / negative regulation of chromosome condensation / rDNA binding / rDNA heterochromatin / pericentric heterochromatin formation / negative regulation of DNA recombination / inner kinetochore / RPB4-RPB7 complex / muscle cell differentiation / DNA-templated transcription elongation / intracellular phosphate ion homeostasis / snRNP binding / transcription elongation-coupled chromatin remodeling / mRNA 3'-end processing / chromatin-protein adaptor activity / U4 snRNA binding / oocyte maturation / transcription elongation factor activity / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / regulation of DNA-templated DNA replication initiation / nucleosomal DNA binding / termination of RNA polymerase II transcription / poly(A)+ mRNA export from nucleus / termination of RNA polymerase III transcription / nucleus organization / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / cellular response to stress / negative regulation of mitophagy / transcription initiation at RNA polymerase III promoter / termination of RNA polymerase I transcription / transcription initiation at RNA polymerase I promoter / spliceosomal complex assembly / RNA polymerase II complex binding / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / positive regulation of translational initiation / nuclear-transcribed mRNA catabolic process / U5 snRNA binding / spermatid development / 7-methylguanosine mRNA capping / U2 snRNA binding / U6 snRNA binding / single fertilization / negative regulation of tumor necrosis factor-mediated signaling pathway / subtelomeric heterochromatin formation / translation elongation factor activity / RNA polymerase I complex / RNA polymerase III complex / transcription elongation by RNA polymerase I / U1 snRNA binding / pericentric heterochromatin / RNA polymerase II core promoter sequence-specific DNA binding / RNA polymerase II, core complex / tRNA transcription by RNA polymerase III / nucleosome binding / transcription by RNA polymerase I / negative regulation of megakaryocyte differentiation / translesion synthesis / protein localization to CENP-A containing chromatin / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / transcription-coupled nucleotide-excision repair / translation initiation factor binding / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / embryo implantation / Deposition of new CENPA-containing nucleosomes at the centromere / positive regulation of autophagy / telomere organization / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / RNA Polymerase I Promoter Opening / transcription initiation-coupled chromatin remodeling Similarity search - Function | |||||||||||||||||||||||||||||||||||||||
| Biological species | Komagataella phaffii (fungus) / Komagataella phaffii GS115 (fungus) / Homo sapiens (human) / synthetic construct (others) | |||||||||||||||||||||||||||||||||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||||||||||||||||||||||||||||||||
Authors | Kujirai T / Ehara H / Ito T / Henmi M / Sekine S / Kurumizaka H | |||||||||||||||||||||||||||||||||||||||
| Funding support | Japan, 12 items
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Citation | Journal: Sci Adv / Year: 2026Title: Structural basis of transcription-coupled H3K36 trimethylation by Set2 in coordination with FACT. Authors: Tomoya Kujirai / Haruhiko Ehara / Tomoko Ito / Masami Henmi / Eriko Oya / Takehiko Kobayashi / Shun-Ichi Sekine / Hitoshi Kurumizaka / ![]() Abstract: Trimethylation of the histone H3K36 residue (H3K36me3) plays an indispensable role in ensuring transcription fidelity by suppressing undesired cryptic transcription in chromatin. H3K36me3 ...Trimethylation of the histone H3K36 residue (H3K36me3) plays an indispensable role in ensuring transcription fidelity by suppressing undesired cryptic transcription in chromatin. H3K36me3 modification is accomplished by Set2/SETD2 during transcription elongation by the RNA polymerase II elongation complex (EC). Here, we found that Set2-mediated H3K36me3 deposition occurs on the nucleosome reassembling behind the EC. The histone chaperone FACT suppresses H3K36me3 deposition on the downstream nucleosome, thereby ensuring that Set2 targets specifically on the reassembling upstream nucleosome. Cryo-electron microscopy structures of the nucleosome-transcribing EC complexed with Set2 revealed that Set2 is anchored by the Spt6 subunit of the EC to capture both of the H3 N-terminal tails in a stepwise manner during the nucleosome reassembly process. Abrogation of the Set2-EC interaction leads to defective transcription-coupled H3K36me3 deposition. These insights elucidate the structure-based mechanism of transcription-coupled H3K36me3 deposition in chromatin. | |||||||||||||||||||||||||||||||||||||||
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Structure visualization
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Downloads & links
-EMDB archive
| Map data | emd_66103.map.gz | 58.3 MB | EMDB map data format | |
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| Header (meta data) | emd-66103-v30.xml emd-66103.xml | 66.8 KB 66.8 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_66103_fsc.xml | 9.5 KB | Display | FSC data file |
| Images | emd_66103.png | 143.5 KB | ||
| Filedesc metadata | emd-66103.cif.gz | 16.8 KB | ||
| Others | emd_66103_additional_1.map.gz emd_66103_additional_2.map.gz emd_66103_half_map_1.map.gz emd_66103_half_map_2.map.gz | 19.3 MB 19.7 MB 58.5 MB 58.4 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-66103 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-66103 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9wmsMC ![]() 9wmtC ![]() 9wmuC ![]() 9wmvC ![]() 9wmwC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_66103.map.gz / Format: CCP4 / Size: 75.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.475 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Additional map: upstream reconstruction
| File | emd_66103_additional_1.map | ||||||||||||
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| Annotation | upstream reconstruction | ||||||||||||
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-Additional map: nucleosome reconstruction
| File | emd_66103_additional_2.map | ||||||||||||
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| Annotation | nucleosome reconstruction | ||||||||||||
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-Half map: #1
| File | emd_66103_half_map_1.map | ||||||||||||
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-Half map: #2
| File | emd_66103_half_map_2.map | ||||||||||||
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Sample components
+Entire : Co-transcriptional histone H3K36 methylation complex containing R...
+Supramolecule #1: Co-transcriptional histone H3K36 methylation complex containing R...
+Macromolecule #1: DNA-directed RNA polymerase subunit
+Macromolecule #2: DNA-directed RNA polymerase subunit beta
+Macromolecule #3: RNA polymerase II third largest subunit B44, part of central core
+Macromolecule #4: RNA polymerase II subunit B32
+Macromolecule #5: DNA-directed RNA polymerases I, II, and III subunit RPABC1
+Macromolecule #6: RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III
+Macromolecule #7: RNA polymerase II subunit
+Macromolecule #8: DNA-directed RNA polymerases I, II, and III subunit RPABC3
+Macromolecule #9: DNA-directed RNA polymerase subunit
+Macromolecule #10: RNA polymerase subunit ABC10-beta, common to RNA polymerases I, I...
+Macromolecule #11: RNA polymerase II subunit B12.5
+Macromolecule #12: RNA polymerase subunit ABC10-alpha
+Macromolecule #13: Transcription elongation factor 1 homolog
+Macromolecule #17: Transcription elongation factor SPT4
+Macromolecule #18: Transcription elongation factor SPT5
+Macromolecule #19: Transcription elongation factor Spt6
+Macromolecule #20: Protein that interacts with Spt6p and copurifies with Spt5p and R...
+Macromolecule #21: Component of the Paf1p complex
+Macromolecule #22: RNAPII-associated chromatin remodeling Paf1 complex subunit
+Macromolecule #23: Histone-lysine N-methyltransferase, H3 lysine-36 specific
+Macromolecule #24: Leo1
+Macromolecule #25: RNAP II-associated protein
+Macromolecule #26: Constituent of Paf1 complex with RNA polymerase II, Paf1p, Hpr1p,...
+Macromolecule #27: Histone H3.3
+Macromolecule #28: Histone H4
+Macromolecule #29: Histone H2A type 1-B/E
+Macromolecule #30: Histone H2B type 1-J
+Macromolecule #14: DNA (198-MER)
+Macromolecule #16: DNA (198-MER)
+Macromolecule #15: RNA (5'-R(P*GP*CP*UP*UP*GP*UP*GP*CP*UP*GP*UP*CP*UP*UP*CP*GP*UP*CP...
+Macromolecule #31: ZINC ION
+Macromolecule #32: MAGNESIUM ION
+Macromolecule #33: S-ADENOSYL-L-HOMOCYSTEINE
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Buffer | pH: 7.5 |
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| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 58.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.2 µm |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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About Yorodumi



Keywords
Komagataella phaffii (fungus)
Homo sapiens (human)
Authors
Japan, 12 items
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Processing
FIELD EMISSION GUN

