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- EMDB-5562: tetracycline resistance protein Tet(O) bound to the ribosome -

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Basic information

Entry
Database: EMDB / ID: EMD-5562
Titletetracycline resistance protein Tet(O) bound to the ribosomeTetracycline
Map data70S ribosome from E. coliRibosome
Sample
  • Sample: 70S-Tet(O)
  • Complex: 70S ribosomeRibosome
Keywords70S ribosome / antibiotic resistance / cryo-electron microscopy
Function / homology
Function and homology information


negative regulation of cytoplasmic translational initiation / stringent response / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / misfolded RNA binding / transcription antitermination factor activity, RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity ...negative regulation of cytoplasmic translational initiation / stringent response / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / misfolded RNA binding / transcription antitermination factor activity, RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / translational termination / DnaA-L2 complex / four-way junction DNA binding / translation repressor activity / negative regulation of translational initiation / translational initiation / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability / ribosome assembly / mRNA regulatory element binding translation repressor activity / response to reactive oxygen species / assembly of large subunit precursor of preribosome / transcription elongation factor complex / positive regulation of RNA splicing / DNA endonuclease activity / : / cytosolic ribosome assembly / regulation of DNA-templated transcription elongation / transcription antitermination / regulation of cell growth / maintenance of translational fidelity / DNA-templated transcription termination / response to radiation / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / ribosome binding / large ribosomal subunit / ribosome biogenesis / regulation of translation / small ribosomal subunit / 5S rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / transferase activity / tRNA binding / negative regulation of translation / rRNA binding / molecular adaptor activity / ribosome / structural constituent of ribosome / translation / response to antibiotic / mRNA binding / GTPase activity / negative regulation of DNA-templated transcription / GTP binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Tetracycline resistance protein, C-terminal / Elongation Factor G, domain II / Elongation Factor G, domain III / Ribosomal protein L1, bacterial-type / Translation elongation factor EFG/EF2, domain IV / Elongation factor G, domain IV / Elongation factor G, domain IV / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Elongation factor EFG, domain V-like ...Tetracycline resistance protein, C-terminal / Elongation Factor G, domain II / Elongation Factor G, domain III / Ribosomal protein L1, bacterial-type / Translation elongation factor EFG/EF2, domain IV / Elongation factor G, domain IV / Elongation factor G, domain IV / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Elongation factor EFG, domain V-like / Elongation factor G C-terminus / Ribosomal protein L10 / EF-G domain III/V-like / : / Tr-type G domain, conserved site / Translational (tr)-type guanine nucleotide-binding (G) domain signature. / Ribosomal protein L1, conserved site / Ribosomal protein L1 / Ribosomal protein L1 signature. / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein L1-like / Ribosomal protein L1/ribosomal biogenesis protein / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L1p/L10e family / Ribosomal protein L11, bacterial-type / Ribosomal protein L31 type A / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Translational (tr)-type GTP-binding domain / Elongation factor Tu GTP binding domain / Translational (tr)-type guanine nucleotide-binding (G) domain profile. / Ribosomal protein L31 signature. / Ribosomal protein S21 / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein L11, conserved site / Ribosomal protein L10-like domain superfamily / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L10P / Ribosomal protein L10 / Ribosomal protein L11 signature. / Ribosomal protein L16 signature 1. / : / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Ribosomal protein L16, conserved site / Ribosomal protein L16 signature 2. / Ribosomal protein L11, N-terminal / Ribosomal protein L17 signature. / Ribosomal protein L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L11/L12 / Ribosomal protein L11, C-terminal / Ribosomal protein L11, C-terminal domain superfamily / Ribosomal protein L11/L12, N-terminal domain superfamily / Ribosomal protein L11/L12 / Ribosomal protein L11, N-terminal domain / Ribosomal protein L11, RNA binding domain / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L28/L24 superfamily / Ribosomal protein L36 signature. / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L32p, bacterial type / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / Ribosomal protein L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / Ribosomal protein L28 / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L5, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein L18, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L20 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein L27, conserved site / Ribosomal protein S6, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S6 signature.
Similarity search - Domain/homology
: / : / : / : / : / : / : / : / : / : ...: / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL10 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein uL1 / 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 / Large ribosomal subunit protein bL9 / 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 / Tetracycline resistance protein TetO / 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)
Methodsingle particle reconstruction / cryo EM / Resolution: 9.8 Å
AuthorsLi W / Atkinson GC / Thakor NS / Allas U / Lu C / Chan KY / Tenson T / Schulten K / Wilson KS / Hauryliuk V / Frank J
CitationJournal: Nat Commun / Year: 2013
Title: Mechanism of tetracycline resistance by ribosomal protection protein Tet(O).
Authors: Wen Li / Gemma C Atkinson / Nehal S Thakor / Ular Allas / Chuao-chao Lu / Kwok-Yan Chan / Tanel Tenson / Klaus Schulten / Kevin S Wilson / Vasili Hauryliuk / Joachim Frank /
Abstract: Tetracycline resistance protein Tet(O), which protects the bacterial ribosome from binding the antibiotic tetracycline, is a translational GTPase with significant similarity in both sequence and ...Tetracycline resistance protein Tet(O), which protects the bacterial ribosome from binding the antibiotic tetracycline, is a translational GTPase with significant similarity in both sequence and structure to the elongation factor EF-G. Here, we present an atomic model of the Tet(O)-bound 70S ribosome based on our cryo-electron microscopic reconstruction at 9.6-Å resolution. This atomic model allowed us to identify the Tet(O)-ribosome binding sites, which involve three characteristic loops in domain 4 of Tet(O). Replacements of the three amino-acid tips of these loops by a single glycine residue result in loss of Tet(O)-mediated tetracycline resistance. On the basis of these findings, the mechanism of Tet(O)-mediated tetracycline resistance can be explained in molecular detail.
History
DepositionJan 3, 2013-
Header (metadata) releaseJan 23, 2013-
Map releaseFeb 27, 2013-
UpdateJul 23, 2014-
Current statusJul 23, 2014Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 28
  • Imaged by UCSF Chimera
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  • Surface view colored by height
  • Surface level: 28
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-4v6v
  • Surface level: 28
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_5562_1.jpg

Downloads & links

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Map

FileDownload / File: emd_5562.map.gz / Format: CCP4 / Size: 9.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotation70S ribosome from E. coli
Voxel sizeX=Y=Z: 2.71 Å
Density
Contour LevelBy EMDB: 22.0 / Movie #1: 28
Minimum - Maximum-113.793853760000005 - 253.189682010000013
Average (Standard dev.)4.82860041 (±25.950870510000001)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions135135135
Spacing135135135
CellA=B=C: 365.85 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z2.712.712.71
M x/y/z135135135
origin x/y/z0.0000.0000.000
length x/y/z365.850365.850365.850
α/β/γ90.00090.00090.000
start NX/NY/NZ-5029166
NX/NY/NZ106122134
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS135135135
D min/max/mean-113.794253.1904.829

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Supplemental data

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Sample components

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Entire : 70S-Tet(O)

EntireName: 70S-Tet(O)
Components
  • Sample: 70S-Tet(O)
  • Complex: 70S ribosomeRibosome

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Supramolecule #1000: 70S-Tet(O)

SupramoleculeName: 70S-Tet(O) / type: sample / ID: 1000 / Number unique components: 1

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Supramolecule #1: 70S ribosome

SupramoleculeName: 70S ribosome / type: complex / ID: 1 / Recombinant expression: No / Database: NCBI / Ribosome-details: ribosome-prokaryote: ALL
Source (natural)Organism: Escherichia coli (E. coli)

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

VitrificationCryogen name: ETHANE / Instrument: FEI VITROBOT MARK I

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Electron microscopy

MicroscopeFEI TECNAI F20
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELDBright-field microscopy
Sample stageSpecimen holder model: GATAN HELIUM
DateOct 18, 2010
Image recordingNumber real images: 98000 / Average electron dose: 10 e/Å2
Experimental equipment
Model: Tecnai F20 / Image courtesy: FEI Company

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Image processing

CTF correctionDetails: group defocus
Final reconstructionResolution.type: BY AUTHOR / Resolution: 9.8 Å / Resolution method: OTHER / Software - Name: SPIDER / Number images used: 98000

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