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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-4476 | |||||||||
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Title | Structure of tmRNA SmpB bound in A site of E. coli 70S ribosome | |||||||||
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![]() | tmRNA SmpB trans-translation translation / RIBOSOME | |||||||||
Function / homology | ![]() trans-translation / negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / translational termination ...trans-translation / negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / translational termination / negative regulation of cytoplasmic translation / translation repressor activity / negative regulation of translational initiation / regulation of mRNA stability / mRNA regulatory element binding translation repressor activity / assembly of large subunit precursor of preribosome / ribosome assembly / transcription elongation factor complex / regulation of DNA-templated transcription elongation / cytosolic ribosome assembly / transcription antitermination / translational initiation / regulation of cell growth / DNA-templated transcription termination / response to radiation / maintenance of translational fidelity / mRNA 5'-UTR binding / ribosome biogenesis / large ribosomal subunit / regulation of translation / ribosome binding / transferase activity / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / small ribosomal subunit rRNA binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / structural constituent of ribosome / ribosome / translation / response to antibiotic / negative regulation of DNA-templated transcription / mRNA binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.9 Å | |||||||||
![]() | Rae CD | |||||||||
Funding support | ![]()
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![]() | ![]() Title: How a circularized tmRNA moves through the ribosome. Authors: Rae CD / Gordiyenko Y / Ramakrishnan V | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
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Downloads & links
-EMDB archive
Map data | ![]() | 16.9 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 78.4 KB 78.4 KB | Display Display | ![]() |
Images | ![]() | 66.3 KB | ||
Filedesc metadata | ![]() | 14.7 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 446 KB | Display | ![]() |
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Full document | ![]() | 245.9 KB | Display | |
Data in XML | ![]() | 6.9 KB | Display | |
Data in CIF | ![]() | 7.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6q97MC ![]() 4475C ![]() 4477C ![]() 4478C ![]() 6q95C ![]() 6q98C ![]() 6q9aC M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Voxel size | X=Y=Z: 1.07 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
+Entire : tmRNA SmpB bound in A site of E. coli 70S ribosome
+Supramolecule #1: tmRNA SmpB bound in A site of E. coli 70S ribosome
+Supramolecule #3: tmRNA-SmpB, nascent peptide, mRNA, P-site tRNA, E-site tRNA
+Supramolecule #2: 70S ribosome
+Macromolecule #1: 23S ribosomal RNA
+Macromolecule #2: 16S ribosomal RNA
+Macromolecule #3: 5S ribosomal RNA
+Macromolecule #6: tRNA-Met
+Macromolecule #7: mRNA
+Macromolecule #59: transfer-messenger RNA (tmRNA)
+Macromolecule #60: tRNA-Val
+Macromolecule #4: SsrA-binding protein
+Macromolecule #5: Nascent peptide
+Macromolecule #8: 50S ribosomal protein L2
+Macromolecule #9: 50S ribosomal protein L3
+Macromolecule #10: 50S ribosomal protein L4
+Macromolecule #11: 50S ribosomal protein L5
+Macromolecule #12: 50S ribosomal protein L6
+Macromolecule #13: 50S ribosomal protein L9
+Macromolecule #14: 50S ribosomal protein L10
+Macromolecule #15: 50S ribosomal protein L11
+Macromolecule #16: 50S ribosomal protein L13
+Macromolecule #17: 50S ribosomal protein L14
+Macromolecule #18: 50S ribosomal protein L15
+Macromolecule #19: 50S ribosomal protein L16
+Macromolecule #20: 50S ribosomal protein L17
+Macromolecule #21: 50S ribosomal protein L18
+Macromolecule #22: 50S ribosomal protein L19
+Macromolecule #23: 50S ribosomal protein L20
+Macromolecule #24: 50S ribosomal protein L21
+Macromolecule #25: 50S ribosomal protein L22
+Macromolecule #26: 50S ribosomal protein L23
+Macromolecule #27: 50S ribosomal protein L24
+Macromolecule #28: 50S ribosomal protein L25
+Macromolecule #29: 50S ribosomal protein L27
+Macromolecule #30: 50S ribosomal protein L28
+Macromolecule #31: 50S ribosomal protein L29
+Macromolecule #32: 50S ribosomal protein L30
+Macromolecule #33: 50S ribosomal protein L31
+Macromolecule #34: 50S ribosomal protein L32
+Macromolecule #35: 50S ribosomal protein L33
+Macromolecule #36: 50S ribosomal protein L34
+Macromolecule #37: 50S ribosomal protein L35
+Macromolecule #38: 50S ribosomal protein L36
+Macromolecule #39: 30S ribosomal protein S2
+Macromolecule #40: 30S ribosomal protein S3
+Macromolecule #41: 30S ribosomal protein S4
+Macromolecule #42: 30S ribosomal protein S5
+Macromolecule #43: 30S ribosomal protein S6
+Macromolecule #44: 30S ribosomal protein S7
+Macromolecule #45: 30S ribosomal protein S8
+Macromolecule #46: 30S ribosomal protein S9
+Macromolecule #47: 30S ribosomal protein S10
+Macromolecule #48: 30S ribosomal protein S11
+Macromolecule #49: 30S ribosomal protein S12
+Macromolecule #50: 30S ribosomal protein S13
+Macromolecule #51: 30S ribosomal protein S14
+Macromolecule #52: 30S ribosomal protein S15
+Macromolecule #53: 30S ribosomal protein S16
+Macromolecule #54: 30S ribosomal protein S17
+Macromolecule #55: 30S ribosomal protein S18
+Macromolecule #56: 30S ribosomal protein S19
+Macromolecule #57: 30S ribosomal protein S20
+Macromolecule #58: 30S ribosomal protein S21
+Macromolecule #61: MAGNESIUM ION
+Macromolecule #62: ZINC ION
+Macromolecule #63: water
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.4 |
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Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: FEI FALCON II (4k x 4k) / Average electron dose: 44.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
Startup model | Type of model: PDB ENTRY |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 47776 |
Initial angle assignment | Type: MAXIMUM LIKELIHOOD / Software - Name: RELION |
Final angle assignment | Type: MAXIMUM LIKELIHOOD / Software - Name: RELION |