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Yorodumi- EMDB-18128: Mycobacterium smegmatis RNA polymerase in complex with HelD, SigA... -
+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-18128 | |||||||||
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Title | Mycobacterium smegmatis RNA polymerase in complex with HelD, SigA and RbpA in State I | |||||||||
Map data | ||||||||||
Sample |
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Keywords | HelD / RNA polymerase / transcription initiation / Mycobacteria / TRANSCRIPTION | |||||||||
Function / homology | Function and homology information DNA helicase complex / recombinational repair / 3'-5' DNA helicase activity / bacterial-type RNA polymerase core enzyme 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 ...DNA helicase complex / recombinational repair / 3'-5' DNA helicase activity / bacterial-type RNA polymerase core enzyme 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 / hydrolase activity / response to antibiotic / DNA-templated transcription / positive regulation of DNA-templated transcription / magnesium ion binding / DNA binding / zinc ion binding / ATP binding / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | Mycolicibacterium smegmatis MC2 155 (bacteria) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.11 Å | |||||||||
Authors | Koval T / Krasny L / Dohnalek J / Kouba T | |||||||||
Funding support | Czech Republic, 1 items
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Citation | Journal: To Be Published Title: Molecular insights into RNA polymerase recycling by mycobacterial HelD Authors: Koval T / Dohnalek L / Libor K / Kouba T | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_18128.map.gz | 103.6 MB | EMDB map data format | |
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Header (meta data) | emd-18128-v30.xml emd-18128.xml | 24.5 KB 24.5 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_18128_fsc.xml | 13.5 KB | Display | FSC data file |
Images | emd_18128.png | 109.2 KB | ||
Filedesc metadata | emd-18128.cif.gz | 8.4 KB | ||
Others | emd_18128_half_map_1.map.gz emd_18128_half_map_2.map.gz | 166 MB 166.3 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-18128 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-18128 | HTTPS FTP |
-Validation report
Summary document | emd_18128_validation.pdf.gz | 794.9 KB | Display | EMDB validaton report |
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Full document | emd_18128_full_validation.pdf.gz | 794.5 KB | Display | |
Data in XML | emd_18128_validation.xml.gz | 21 KB | Display | |
Data in CIF | emd_18128_validation.cif.gz | 27.7 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-18128 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-18128 | HTTPS FTP |
-Related structure data
Related structure data | 8q3iMC 8qn8C 8qtiC 8qu6C 8r2mC 8r3mC 8r6pC 8r6rC 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_18128.map.gz / Format: CCP4 / Size: 209.3 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: 0.827 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #1
File | emd_18128_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #2
File | emd_18128_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Sample components
+Entire : Mycobacterium smegmatis RNA polymerase in complex with HelD, SigA...
+Supramolecule #1: Mycobacterium smegmatis RNA polymerase in complex with HelD, SigA...
+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 SigA
+Macromolecule #6: Helicase
+Macromolecule #7: RNA polymerase-binding protein RbpA
+Macromolecule #8: ZINC ION
+Macromolecule #9: MAGNESIUM ION
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 7.4 |
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Vitrification | Cryogen name: ETHANE |
-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: 55.0 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: 3.2 µm / Nominal defocus min: 1.2 µm |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |