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Yorodumi- EMDB-68999: Cryo-EM structure of Chaetomium thermophilum SWI/SNF bound to a n... -
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Open data
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Basic information
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| Title | Cryo-EM structure of Chaetomium thermophilum SWI/SNF bound to a nucleosome | |||||||||
Map data | The compsite map for the Chaetomium thermophilum SWI/SNF-NCP complex | |||||||||
Sample |
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Keywords | DNA BINDING PROTEIN / Chromatin remodeling complex / SWI/SNF / nucleosome / NUCLEAR PROTEIN/DNA / NUCLEAR PROTEIN-DNA complex | |||||||||
| Function / homology | Function and homology informationRSC-type complex / SWI/SNF complex / nuclear chromosome / helicase activity / chromatin DNA binding / transcription by RNA polymerase II / nucleosomal DNA binding / innate immune response in mucosa / structural constituent of chromatin / nucleosome ...RSC-type complex / SWI/SNF complex / nuclear chromosome / helicase activity / chromatin DNA binding / transcription by RNA polymerase II / nucleosomal DNA binding / innate immune response in mucosa / structural constituent of chromatin / nucleosome / nucleosome assembly / antimicrobial humoral immune response mediated by antimicrobial peptide / heterochromatin formation / histone binding / antibacterial humoral response / chromatin organization / transcription cis-regulatory region binding / chromatin remodeling / protein heterodimerization activity / hydrolase activity / DNA repair / regulation of transcription by RNA polymerase II / regulation of DNA-templated transcription / positive regulation of DNA-templated transcription / DNA binding / : / DNA-templated transcription / ATP binding / nucleus Similarity search - Function | |||||||||
| Biological species | Thermochaetoides thermophila (fungus) / Thermochaetoides thermophila DSM 1495 (fungus) / synthetic construct (others) | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.46 Å | |||||||||
Authors | Ma SS / Liu MD / Shen QT / Chen Y | |||||||||
| Funding support | China, 1 items
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Citation | Journal: Sci Adv / Year: 2026Title: Structural principles underlying the evolution of SWI/SNF chromatin remodelers Authors: Ma SS / Liu MD / Xu WC / Wang QM / Wang XM / Huang YG / Li MC / Li CH / Shen QT / Chen Y | |||||||||
| History |
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Structure visualization
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_68999.map.gz | 185.5 MB | EMDB map data format | |
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| Header (meta data) | emd-68999-v30.xml emd-68999.xml | 41.2 KB 41.2 KB | Display Display | EMDB header |
| Images | emd_68999.png | 57.2 KB | ||
| Filedesc metadata | emd-68999.cif.gz | 12.7 KB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-68999 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-68999 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 23ilMC ![]() 23cpC ![]() 23fjC ![]() 23fuC C: citing same article ( M: atomic model generated by this map |
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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_68999.map.gz / Format: CCP4 / Size: 282.6 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | The compsite map for the Chaetomium thermophilum SWI/SNF-NCP complex | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.06 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
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Sample components
+Entire : SWI/SNF
+Supramolecule #1: SWI/SNF
+Macromolecule #1: Histone H3
+Macromolecule #2: Histone H4
+Macromolecule #3: Histone H2A
+Macromolecule #4: Histone H2B
+Macromolecule #5: WD40 repeat-containing protein
+Macromolecule #6: Putative chromatin structure remodeling complex protein
+Macromolecule #7: Actin-related protein 4
+Macromolecule #8: Ssr1
+Macromolecule #9: DM2 domain-containing protein
+Macromolecule #10: DUF1750-domain-containing protein
+Macromolecule #11: ARID domain-containing protein
+Macromolecule #12: Snf5
+Macromolecule #13: Nuclear localization protein
+Macromolecule #14: LYR family protein
+Macromolecule #15: DNA (167-MER)
+Macromolecule #16: DNA (167-MER)
+Macromolecule #17: ADENOSINE-5'-DIPHOSPHATE
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Concentration | 2 mg/mL | |||||||||||||||||||||
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| Buffer | pH: 8 Component:
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| Vitrification | Cryogen name: ETHANE | |||||||||||||||||||||
| Details | This sample was homogenous and monodisperse. |
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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: 50.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.4 µm / Nominal defocus min: 1.0 µm |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
| Refinement | Space: REAL / Protocol: FLEXIBLE FIT |
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| Output model | ![]() PDB-23il: |
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About Yorodumi



Keywords
Thermochaetoides thermophila (fungus)
Authors
China, 1 items
Citation























Z (Sec.)
Y (Row.)
X (Col.)





















Homo sapiens (human)
FIELD EMISSION GUN
