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- EMDB-67081: Subtomogram average of 70S ribosome (11x11) using CRYO ARM 300II -

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Basic information

Entry
Database: EMDB / ID: EMD-67081
TitleSubtomogram average of 70S ribosome (11x11) using CRYO ARM 300II
Map data
Sample
  • Complex: 70S Ribosome
KeywordsRibosome
Function / homology
Function and homology information


negative regulation of cytoplasmic translational initiation / transcription antitermination factor activity, RNA binding / ornithine decarboxylase inhibitor activity / misfolded RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / positive regulation of ribosome biogenesis / RNA-binding transcription regulator activity ...negative regulation of cytoplasmic translational initiation / transcription antitermination factor activity, RNA binding / ornithine decarboxylase inhibitor activity / misfolded RNA binding / Group I intron splicing / RNA folding / 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 / DnaA-L2 complex / regulation of mRNA stability / translation repressor 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 / regulation of DNA-templated transcription elongation / transcription elongation factor complex / response to reactive oxygen species / cytosolic ribosome assembly / ribosome assembly / assembly of large subunit precursor of preribosome / transcription antitermination / DNA endonuclease activity / regulation of cell growth / translational initiation / DNA-templated transcription termination / response to radiation / maintenance of translational fidelity / mRNA 5'-UTR binding / regulation of translation / large ribosomal subunit / transferase activity / ribosomal small subunit assembly / ribosome binding / ribosome biogenesis / ribosomal small subunit biogenesis / 5S rRNA binding / ribosomal large subunit assembly / small ribosomal subunit / small ribosomal subunit rRNA binding / large ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / 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 / hydrolase activity / mRNA binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L31 type A / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein L31 signature. ...Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L31 type A / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein S21 / Ribosomal protein L16 signature 1. / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / : / Ribosomal protein L16 signature 2. / Ribosomal protein L16, conserved site / Ribosomal protein L17 signature. / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L36 signature. / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / : / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L28/L24 superfamily / Ribosomal protein L32p, bacterial type / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L28 / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L18, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S19, bacterial-type / : / Ribosomal protein L6, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein S4, bacterial-type / Ribosomal protein L5, bacterial-type / Ribosomal protein S5, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / 30S ribosomal protein S17 / : / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L20 signature. / Ribosomal protein L34, conserved site / Ribosomal protein L34 signature. / Ribosomal protein L14P, bacterial-type / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein L35 / Ribosomal protein L33 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein L33 / Ribosomal protein L2, bacterial/organellar-type / Ribosomal L28 family / Ribosomal protein S18, conserved site / Ribosomal protein S18 signature. / Ribosomal protein L33 superfamily / Ribosomal protein S9, bacterial/plastid / Ribosomal protein L28/L24 / Ribosomal protein L30, bacterial-type / Ribosomal protein S16 / Ribosomal protein S16 domain superfamily / Ribosomal protein S16 / L28p-like / Ribosomal protein L16 / Ribosomal protein S15, bacterial-type / Ribosomal protein S6 / Ribosomal protein S6 / Ribosomal protein S6 superfamily / Ribosomal protein L20 / Ribosomal protein S12, bacterial-type / Ribosomal protein L20 / Ribosomal protein L20, C-terminal / Ribosomal protein L19 / Ribosomal protein L19 / Ribosomal protein L19 superfamily
Similarity search - Domain/homology
Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein bL31 / Large ribosomal subunit protein bL32 ...Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein bL31 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL36A / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL23 / Small ribosomal subunit protein uS15 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL6 / Small ribosomal subunit protein uS14 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL5 / Small ribosomal subunit protein bS21 / Large ribosomal subunit protein bL25
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Methodsubtomogram averaging / cryo EM / Resolution: 2.86 Å
AuthorsYanagisawa H / Miyata T / Kinoshita M / Kikkawa M / Namba K / Makino F
Funding support Japan, 2 items
OrganizationGrant numberCountry
Japan Agency for Medical Research and Development (AMED)JP22am121003 Japan
Japan Agency for Medical Research and Development (AMED)JP17pc0101020 Japan
CitationJournal: Aims Biophys / Year: 2026
Title: Subtomogram averaging by cryo electron tomography using CRYO ARMTM 300 II for purified and cellular samples
Authors: Makino F / Yanagisawa H / Eisenstein F / Miyata T / Kinoshita M / Kikkawa M / Namba K
History
DepositionNov 14, 2025-
Header (metadata) releaseJul 15, 2026-
Map releaseJul 15, 2026-
UpdateJul 15, 2026-
Current statusJul 15, 2026Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_67081.png

Downloads & links

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Map

FileDownload / File: emd_67081.map.gz / Format: CCP4 / Size: 561.5 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.01 Å/pix.
x 528 pix.
= 533.28 Å		1.01 Å/pix.
x 528 pix.
= 533.28 Å		1.01 Å/pix.
x 528 pix.
= 533.28 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.01 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0077
Minimum - Maximum-0.015539199 - 0.030222967
Average (Standard dev.)-0.0000058804217 (±0.0014525193)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions528528528
Spacing528528528
CellA=B=C: 533.27997 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_67081_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_67081_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_67081_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : 70S Ribosome

EntireName: 70S Ribosome
Components
  • Complex: 70S Ribosome

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Supramolecule #1: 70S Ribosome

SupramoleculeName: 70S Ribosome / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Escherichia coli (E. coli)

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Experimental details

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Structure determination

Methodcryo EM
Processingsubtomogram averaging
Aggregation stateparticle

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Sample preparation

BufferpH: 7.5
Component:
ConcentrationFormulaName
30.0 mMHEPES-KOHHEPES-KOH
10.0 mMMgCl2Magnesium chloride
30.0 mMNH4ClAmmonium chloride
150.0 mMKClPotassium chloride
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 200 / Support film - #0 - Film type ID: 1 / Support film - #0 - Material: CARBON / Support film - #0 - topology: HOLEY / Support film - #1 - Film type ID: 2 / Support film - #1 - Material: GOLD / Support film - #1 - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 30 sec. / Pretreatment - Atmosphere: AIR
Details: Quantifoil R1.2/1.3 200-mesh grids were gold sputter coated using an AT-900 multi coater
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeJEOL CRYO ARM 300
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 1.2 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Calibrated defocus min: 5.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 5.0 µm / Nominal defocus min: 5.0 µm

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Image processing

Final reconstructionApplied symmetry - Point group: O (octahedral) / Resolution.type: BY AUTHOR / Resolution: 2.86 Å / Resolution method: FSC 0.143 CUT-OFF / Software: (Name: RELION, Warp) / Number subtomograms used: 16677
ExtractionNumber tomograms: 117 / Number images used: 16677 / Software - Name: RELION (ver. 5)
CTF correctionSoftware - Name: RELION (ver. 5) / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software: (Name: RELION, Warp)
FSC plot (resolution estimation)

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