+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-33761 | |||||||||
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Title | The cryo-EM structure of C. crescentus GcrA-TACup | |||||||||
Map data | ||||||||||
Sample |
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Keywords | transcription activator / TRANSCRIPTION | |||||||||
Function / homology | Function and homology information sigma factor activity / DNA-directed RNA polymerase complex / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / protein dimerization activity / DNA-templated transcription / magnesium ion binding / DNA binding ...sigma factor activity / DNA-directed RNA polymerase complex / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / protein dimerization activity / DNA-templated transcription / magnesium ion binding / DNA binding / zinc ion binding / metal ion binding / cytoplasm Similarity search - Function | |||||||||
Biological species | Caulobacter vibrioides NA1000 (bacteria) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.7 Å | |||||||||
Authors | Wu XX / Zhang Y | |||||||||
Funding support | China, 2 items
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Citation | Journal: Nucleic Acids Res. / Year: 2023 Title: Cryo-EM structures of Caulobacter crescentus transcription activation complex with an essential cell cycle regulator GcrA Authors: Wu XX / Zhang Y | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_33761.map.gz | 10.5 MB | EMDB map data format | |
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Header (meta data) | emd-33761-v30.xml emd-33761.xml | 28.8 KB 28.8 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_33761_fsc.xml | 10.6 KB | Display | FSC data file |
Images | emd_33761.png | 69.9 KB | ||
Filedesc metadata | emd-33761.cif.gz | 8.6 KB | ||
Others | emd_33761_additional_1.map.gz emd_33761_half_map_1.map.gz emd_33761_half_map_2.map.gz | 80.5 MB 80.9 MB 80.9 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-33761 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-33761 | HTTPS FTP |
-Validation report
Summary document | emd_33761_validation.pdf.gz | 837.6 KB | Display | EMDB validaton report |
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Full document | emd_33761_full_validation.pdf.gz | 837.1 KB | Display | |
Data in XML | emd_33761_validation.xml.gz | 17.8 KB | Display | |
Data in CIF | emd_33761_validation.cif.gz | 23.5 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-33761 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-33761 | HTTPS FTP |
-Related structure data
Related structure data | 7ye1MC 7ye2C M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_33761.map.gz / Format: CCP4 / Size: 103 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: 1.014 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Additional map: #1
File | emd_33761_additional_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #2
File | emd_33761_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_33761_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Sample components
+Entire : The cryo-EM structure of C. crescentus GcrA-TACup
+Supramolecule #1: The cryo-EM structure of C. crescentus GcrA-TACup
+Supramolecule #2: DNA-directed RNA polymerase/GcrA/TACup
+Supramolecule #3: DNA
+Macromolecule #1: DNA-directed RNA polymerase subunit alpha
+Macromolecule #2: DNA-directed RNA polymerase subunit beta
+Macromolecule #3: DNA-directed RNA polymerase subunit beta'
+Macromolecule #4: DNA-directed RNA polymerase subunit omega
+Macromolecule #5: RNA polymerase sigma factor RpoD
+Macromolecule #6: Cell cycle regulatory protein GcrA
+Macromolecule #7: DNA (57-MER)-non template
+Macromolecule #8: DNA (57-MER)-template
+Macromolecule #9: MAGNESIUM ION
+Macromolecule #10: ZINC ION
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 8 |
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Grid | Model: C-flat-1.2/1.3 / Material: COPPER / Mesh: 400 |
Vitrification | Cryogen name: NITROGEN |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 62.4 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: 2.2 µm / Nominal defocus min: 1.2 µm |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |