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Open data
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Basic information
| Entry | ![]() | |||||||||
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| Title | 70S Initiation Complex with extended IF2 bound (70S IC-I) | |||||||||
Map data | 70S particles with extended IF2 | |||||||||
Sample |
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Keywords | Translation Initiation / time-resolved cryo-electron microscopy / GTP hydrolysis / initiation factor 1 / initiation factor 2 / RIBOSOME | |||||||||
| Function / homology | Function and homology informationguanosine tetraphosphate binding / stringent response / ribosomal small subunit binding / transcription antitermination factor activity, RNA binding / ornithine decarboxylase inhibitor activity / misfolded RNA binding / Group I intron splicing / RNA folding / translational termination / transcriptional attenuation ...guanosine tetraphosphate binding / stringent response / ribosomal small subunit binding / transcription antitermination factor activity, RNA binding / ornithine decarboxylase inhibitor activity / misfolded RNA binding / Group I intron splicing / RNA folding / translational termination / transcriptional attenuation / endoribonuclease inhibitor activity / positive regulation of ribosome biogenesis / RNA-binding transcription regulator activity / four-way junction DNA binding / negative regulation of cytoplasmic translation / response to cold / regulation of mRNA stability / translation repressor activity / translation initiation factor activity / negative regulation of translational initiation / negative regulation of DNA-templated DNA replication initiation / mRNA regulatory element binding translation repressor activity / positive regulation of RNA splicing / response to reactive oxygen species / cytosolic ribosome assembly / regulation of DNA-templated transcription elongation / ribosome assembly / assembly of large subunit precursor of preribosome / transcription antitermination / regulation of cell growth / DNA endonuclease activity / molecular condensate scaffold activity / translational initiation / regulation of translation / DNA-templated transcription termination / response to radiation / maintenance of translational fidelity / mRNA 5'-UTR binding / transferase activity / large ribosomal subunit / ribosomal small subunit assembly / ribosome biogenesis / ribosome binding / protein folding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / 5S rRNA binding / ribosomal large subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / tRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / rRNA binding / negative regulation of translation / hydrolase activity / ribosome / translation / structural constituent of ribosome / response to antibiotic / negative regulation of DNA-templated transcription / mRNA binding / GTPase activity / GTP binding / DNA-templated transcription / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm Similarity search - Function | |||||||||
| Biological species | ![]() | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.0 Å | |||||||||
Authors | Guerra GS / Demo G | |||||||||
| Funding support | Czech Republic, 1 items
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Citation | Journal: To Be PublishedTitle: Time-resolved visualization of IF1- and IF2-driven translation initiation in bacteria Authors: Guerra GS / Zafar H / Ge X / Basu RS / Huang C / Hassan AH / Valdez NA / Brabencova S / Slamova L / Mandava CS / Gamper H / Hou Y / Gagnon MG / Sanyal S / Demo G | |||||||||
| History |
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Structure visualization
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_56036.map.gz | 390.9 MB | EMDB map data format | |
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| Header (meta data) | emd-56036-v30.xml emd-56036.xml | 77.6 KB 77.6 KB | Display Display | EMDB header |
| Images | emd_56036.png | 55.6 KB | ||
| Filedesc metadata | emd-56036.cif.gz | 15.3 KB | ||
| Others | emd_56036_half_map_1.map.gz emd_56036_half_map_2.map.gz | 191.4 MB 191.4 MB | ||
| Archive directory | https://data.pdbj.org/pub/emdb/structures/EMD-56036 ftp://data.pdbj.org/pub/emdb/structures/EMD-56036 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9tkpMC ![]() 9tknC ![]() 9tkoC ![]() 9tkqC ![]() 9tkrC ![]() 9zn2C 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_56036.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | 70S particles with extended IF2 | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.834 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Half map: Half map 1
| File | emd_56036_half_map_1.map | ||||||||||||
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| Annotation | Half map 1 | ||||||||||||
| Projections & Slices |
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| Density Histograms |
-Half map: Half map 2
| File | emd_56036_half_map_2.map | ||||||||||||
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| Annotation | Half map 2 | ||||||||||||
| Projections & Slices |
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| Density Histograms |
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Sample components
+Entire : 70S Initiation Complex with extended IF2 bound (70S IC-I)
+Supramolecule #1: 70S Initiation Complex with extended IF2 bound (70S IC-I)
+Macromolecule #1: Small ribosomal subunit protein uS2
+Macromolecule #2: Small ribosomal subunit protein uS3
+Macromolecule #3: Small ribosomal subunit protein uS4
+Macromolecule #4: Small ribosomal subunit protein uS5
+Macromolecule #5: Small ribosomal subunit protein bS6, fully modified isoform
+Macromolecule #6: Small ribosomal subunit protein uS7
+Macromolecule #7: Small ribosomal subunit protein uS8
+Macromolecule #8: Small ribosomal subunit protein uS9
+Macromolecule #9: Small ribosomal subunit protein uS10
+Macromolecule #10: Small ribosomal subunit protein uS11
+Macromolecule #11: Small ribosomal subunit protein uS12
+Macromolecule #12: Small ribosomal subunit protein uS13
+Macromolecule #13: Small ribosomal subunit protein uS14
+Macromolecule #14: Small ribosomal subunit protein uS15
+Macromolecule #15: Small ribosomal subunit protein bS16
+Macromolecule #16: Small ribosomal subunit protein uS17
+Macromolecule #17: Small ribosomal subunit protein bS18
+Macromolecule #18: Small ribosomal subunit protein uS19
+Macromolecule #19: Small ribosomal subunit protein bS20
+Macromolecule #20: Small ribosomal subunit protein bS21
+Macromolecule #21: Large ribosomal subunit protein bL27
+Macromolecule #22: Large ribosomal subunit protein bL28
+Macromolecule #23: Large ribosomal subunit protein uL29
+Macromolecule #24: Large ribosomal subunit protein uL30
+Macromolecule #25: Large ribosomal subunit protein bL32
+Macromolecule #26: Large ribosomal subunit protein bL33
+Macromolecule #27: Large ribosomal subunit protein bL34
+Macromolecule #28: Large ribosomal subunit protein bL35
+Macromolecule #29: Large ribosomal subunit protein bL36A
+Macromolecule #30: Large ribosomal subunit protein uL1
+Macromolecule #31: Large ribosomal subunit protein uL2
+Macromolecule #32: 50S ribosomal protein L3
+Macromolecule #33: Large ribosomal subunit protein uL4
+Macromolecule #34: Large ribosomal subunit protein uL5
+Macromolecule #35: Large ribosomal subunit protein uL6
+Macromolecule #36: Large ribosomal subunit protein bL9
+Macromolecule #37: 50S ribosomal protein L11
+Macromolecule #38: Large ribosomal subunit protein uL13
+Macromolecule #39: Large ribosomal subunit protein uL14
+Macromolecule #40: Large ribosomal subunit protein uL15
+Macromolecule #41: 50S ribosomal protein L16
+Macromolecule #42: Large ribosomal subunit protein bL17
+Macromolecule #43: Large ribosomal subunit protein uL18
+Macromolecule #44: Large ribosomal subunit protein bL19
+Macromolecule #45: Large ribosomal subunit protein bL20
+Macromolecule #46: Large ribosomal subunit protein bL21
+Macromolecule #47: Large ribosomal subunit protein uL22
+Macromolecule #48: Large ribosomal subunit protein uL23
+Macromolecule #49: Large ribosomal subunit protein uL24
+Macromolecule #50: Large ribosomal subunit protein bL25
+Macromolecule #56: Translation initiation factor IF-2
+Macromolecule #51: 16S Ribosomal RNA
+Macromolecule #52: 23S Ribosomal RNA
+Macromolecule #53: 5S Ribosomal RNA
+Macromolecule #54: mRNA
+Macromolecule #55: tRNAfMet
+Macromolecule #57: N-FORMYLMETHIONINE
+Macromolecule #58: MAGNESIUM ION
+Macromolecule #59: GUANOSINE-5'-TRIPHOSPHATE
-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 Component:
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| Grid | Model: Quantifoil R2/1 / Material: COPPER / Mesh: 300 / Pretreatment - Type: PLASMA CLEANING | |||||||||||||||
| Vitrification | Cryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 278 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 1 / Number real images: 17477 / Average exposure time: 2.0 sec. / Average electron dose: 40.0 e/Å2 / Details: Movie-mode at 20 frames per second |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.1 µm / Nominal defocus min: 0.5 µm |
| Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
Movie
Controller
About Yorodumi




Keywords
Authors
Czech Republic, 1 items
Citation




















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






































Processing
FIELD EMISSION GUN

