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- PDB-8cgr: Apramycin bound to the 30S body -

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Basic information

Entry
Database: PDB / ID: 8cgr
TitleApramycin bound to the 30S body
Components
  • (30S ribosomal protein ...) x 2
  • (Small ribosomal subunit protein ...) x 10
  • 16S rRNA
  • 23S rRNA23S ribosomal RNA
KeywordsRIBOSOME / Antibiotic
Function / homology
Function and homology information


mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / misfolded RNA binding / Group I intron splicing / RNA folding / four-way junction DNA binding / negative regulation of translational initiation / regulation of mRNA stability / mRNA regulatory element binding translation repressor activity / positive regulation of RNA splicing ...mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / misfolded RNA binding / Group I intron splicing / RNA folding / four-way junction DNA binding / negative regulation of translational initiation / regulation of mRNA stability / mRNA regulatory element binding translation repressor activity / positive regulation of RNA splicing / DNA endonuclease activity / transcription antitermination / maintenance of translational fidelity / DNA-templated transcription termination / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / cytosolic small ribosomal subunit / regulation of translation / cytoplasmic translation / small ribosomal subunit / tRNA binding / rRNA binding / molecular adaptor activity / ribosome / structural constituent of ribosome / translation / response to antibiotic / zinc ion binding / cytosol / cytoplasm
Similarity search - Function
Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein S21 / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S11, bacterial-type ...Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein S21 / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S11, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein S4, bacterial-type / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein S18, conserved site / Ribosomal protein S18 signature. / Ribosomal protein S16 / Ribosomal protein S16 / Ribosomal protein S16 domain superfamily / Ribosomal protein S15, bacterial-type / Ribosomal protein S6 / Ribosomal protein S6 / Ribosomal protein S6 superfamily / Ribosomal protein S12, bacterial-type / Translation elongation factor EF1B/ribosomal protein S6 / Ribosomal protein S18 / Ribosomal protein S18 / Ribosomal protein S18 superfamily / : / Ribosomal protein S17, conserved site / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S4/S9, N-terminal / Ribosomal protein S4, conserved site / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S4/S9 / Ribosomal protein S8 / Ribosomal protein S8 superfamily / Ribosomal protein S5, N-terminal, conserved site / Ribosomal protein S5 signature. / Ribosomal protein S5 / Ribosomal protein S5, N-terminal / Ribosomal S11, conserved site / S5 double stranded RNA-binding domain profile. / Ribosomal protein S5, C-terminal / Ribosomal protein S5, N-terminal domain / Ribosomal protein S8 / Ribosomal protein S17 signature. / Ribosomal protein S5, C-terminal domain / S4 RNA-binding domain / Ribosomal protein S11 / RNA-binding S4 domain / RNA-binding S4 domain superfamily / Ribosomal protein S8 signature. / Ribosomal protein S11 / S4 domain / Ribosomal protein S17/S11 / Ribosomal protein S4 signature. / Ribosomal_S15 / Ribosomal protein S15 signature. / Ribosomal protein S15 / Ribosomal protein S12/S23 / S4 RNA-binding domain profile. / Ribosomal protein S12/S23 / Ribosomal protein S17 / Ribosomal protein S15 / Ribosomal protein S11 signature. / Ribosomal protein S11 superfamily / Ribosomal protein S12 signature. / S15/NS1, RNA-binding / Ribosomal protein S5 domain 2-type fold, subgroup / Ribosomal protein S5 domain 2-type fold / Nucleic acid-binding, OB-fold
Similarity search - Domain/homology
APRAMYCIN / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein bS16 ...APRAMYCIN / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein bS21
Similarity search - Component
Biological speciesEscherichia coli BW25113 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.12 Å
AuthorsPaternoga, H. / Koller, T.O. / Beckert, B. / Wilson, D.N.
Funding supportEuropean Union, 3items
OrganizationGrant numberCountry
Other governmentDLR01Kl1820
iNEXT-Discovery871037European Union
Other governmentLM2018127
CitationJournal: Nat Struct Mol Biol / Year: 2023
Title: Structural conservation of antibiotic interaction with ribosomes.
Authors: Helge Paternoga / Caillan Crowe-McAuliffe / Lars V Bock / Timm O Koller / Martino Morici / Bertrand Beckert / Alexander G Myasnikov / Helmut Grubmüller / Jiří Nováček / Daniel N Wilson /
Abstract: The ribosome is a major target for clinically used antibiotics, but multidrug resistant pathogenic bacteria are making our current arsenal of antimicrobials obsolete. Here we present cryo-electron- ...The ribosome is a major target for clinically used antibiotics, but multidrug resistant pathogenic bacteria are making our current arsenal of antimicrobials obsolete. Here we present cryo-electron-microscopy structures of 17 distinct compounds from six different antibiotic classes bound to the bacterial ribosome at resolutions ranging from 1.6 to 2.2 Å. The improved resolution enables a precise description of antibiotic-ribosome interactions, encompassing solvent networks that mediate multiple additional interactions between the drugs and their target. Our results reveal a high structural conservation in the binding mode between antibiotics with the same scaffold, including ordered water molecules. Water molecules are visualized within the antibiotic binding sites that are preordered, become ordered in the presence of the drug and that are physically displaced on drug binding. Insight into RNA-ligand interactions will facilitate development of new antimicrobial agents, as well as other RNA-targeting therapies.
History
DepositionFeb 6, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 26, 2023Provider: repository / Type: Initial release
Revision 1.1Aug 9, 2023Group: Database references / Category: citation
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.year
Revision 1.2Aug 16, 2023Group: Data collection / Database references
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation.title ..._citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID / _citation_author.name
Revision 1.3Sep 20, 2023Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.4Nov 15, 2023Group: Data collection / Derived calculations / Category: chem_comp_atom / chem_comp_bond / struct_conn
Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 ..._chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 / _chem_comp_bond.atom_id_2 / _struct_conn.pdbx_leaving_atom_flag
Revision 1.5Apr 24, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond
Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 ..._chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 / _chem_comp_bond.atom_id_2 / _chem_comp_bond.pdbx_aromatic_flag / _chem_comp_bond.value_order

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 16S rRNA
D: Small ribosomal subunit protein uS4
E: Small ribosomal subunit protein uS5
F: Small ribosomal subunit protein bS6, non-modified isoform
H: Small ribosomal subunit protein uS8
K: Small ribosomal subunit protein uS11
L: Small ribosomal subunit protein uS12
O: Small ribosomal subunit protein uS15
P: 30S ribosomal protein S16
Q: Small ribosomal subunit protein uS17
R: Small ribosomal subunit protein bS18
T: 30S ribosomal protein S20
U: Small ribosomal subunit protein bS21
a: 23S rRNA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)1,599,757102
Polymers1,595,65814
Non-polymers4,09988
Water34,7331928
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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RNA chain , 2 types, 2 molecules Aa

#1: RNA chain 16S rRNA /


Mass: 499197.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria)
#14: RNA chain 23S rRNA / 23S ribosomal RNA


Mass: 941811.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria)

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Small ribosomal subunit protein ... , 10 types, 10 molecules DEFHKLOQRU

#2: Protein Small ribosomal subunit protein uS4 / 30S ribosomal protein S4


Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7V8
#3: Protein Small ribosomal subunit protein uS5 / 30S ribosomal protein S5


Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7W1
#4: Protein Small ribosomal subunit protein bS6, non-modified isoform


Mass: 15211.058 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P02358
#5: Protein Small ribosomal subunit protein uS8 / 30S ribosomal protein S8


Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7W7
#6: Protein Small ribosomal subunit protein uS11 / 30S ribosomal protein S11


Mass: 13871.959 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7R9
#7: Protein Small ribosomal subunit protein uS12 / 30S ribosomal protein S12


Mass: 13814.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7S3
#8: Protein Small ribosomal subunit protein uS15 / 30S ribosomal protein S15


Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0ADZ4
#10: Protein Small ribosomal subunit protein uS17 / 30S ribosomal protein S17


Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AG63
#11: Protein Small ribosomal subunit protein bS18 / 30S ribosomal protein S18


Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7T7
#13: Protein Small ribosomal subunit protein bS21 / 30S ribosomal protein S21


Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P68679

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30S ribosomal protein ... , 2 types, 2 molecules PT

#9: Protein 30S ribosomal protein S16 / / Small ribosomal subunit protein bS16


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7T3
#12: Protein 30S ribosomal protein S20 / / Small ribosomal subunit protein bS20


Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7U7

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Non-polymers , 4 types, 2016 molecules

#15: Chemical...
ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 28 / Source method: obtained synthetically / Formula: K
#16: Chemical ChemComp-AM2 / APRAMYCIN / NEBRAMYCIN II / 4-O-(3ALPHA-AMINO-6ALPHA-((4-AMINO-4-DEOXY-ALPHA-D-GLUCOPYRANOSYL)OXY)-2,3,4,5ABETA,6,7,8,8AALPHA-OCTAHYDRO-8BETA-HYDROXY-7BETA-(METHYLAMINO)PYRANO(3,2-B)PYRAN-2ALPHA-YL)-2-DEOXY-D-STREPTAMINE / Apramycin


Mass: 539.577 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C21H41N5O11 / Feature type: SUBJECT OF INVESTIGATION / Comment: antibiotic*YM
#17: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 57 / Source method: obtained synthetically / Formula: Mg
#18: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 1928 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: 70S ribosomes with antibiotic cocktail / Type: RIBOSOME / Details: 70S + Eravacycline, Apramycin, Clindamycin / Entity ID: #1-#5, #7-#14 / Source: NATURAL
Molecular weightExperimental value: NO
Source (natural)Organism: Escherichia coli BW25113 (bacteria)
Buffer solutionpH: 7.5
Buffer component
IDConc.NameFormulaBuffer-ID
150 mMHEPESC8H18N2O4S1
225 mMMagnesium acetateMg(OAc)21
380 mMAmmonium chlorideNH4Cl1
4100 mMPotassium acetateKOAc1
51 mMDTTC4H10O2S21
60.05 % (w/v)DDMC24H46O111
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationCryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277.15 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 1000 nm / Nominal defocus min: 400 nm
Image recordingAverage exposure time: 4.5 sec. / Electron dose: 60 e/Å2 / Detector mode: COUNTING / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.12 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 275137 / Symmetry type: POINT
RefinementResolution: 2.12→195.07 Å / Cor.coef. Fo:Fc: 0.944 / SU B: 2.819 / SU ML: 0.068 / ESU R: 0.097
Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES
Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflection
Rwork0.26423 --
obs0.26423 1331496 100 %
Solvent computationSolvent model: PARAMETERS FOR MASK CACLULATION
Displacement parametersBiso mean: 49.145 Å2
Refinement stepCycle: 1 / Total: 35552
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
ELECTRON MICROSCOPYr_bond_refined_d0.0050.01136892
ELECTRON MICROSCOPYr_bond_other_d0.0010.01820980
ELECTRON MICROSCOPYr_angle_refined_deg1.2821.79654712
ELECTRON MICROSCOPYr_angle_other_deg0.5081.62549566
ELECTRON MICROSCOPYr_dihedral_angle_1_deg6.39551258
ELECTRON MICROSCOPYr_dihedral_angle_2_deg9.815130
ELECTRON MICROSCOPYr_dihedral_angle_3_deg13.206101932
ELECTRON MICROSCOPYr_dihedral_angle_4_deg
ELECTRON MICROSCOPYr_chiral_restr0.0510.27014
ELECTRON MICROSCOPYr_gen_planes_refined0.0090.0225308
ELECTRON MICROSCOPYr_gen_planes_other0.0020.026553
ELECTRON MICROSCOPYr_nbd_refined
ELECTRON MICROSCOPYr_nbd_other
ELECTRON MICROSCOPYr_nbtor_refined
ELECTRON MICROSCOPYr_nbtor_other
ELECTRON MICROSCOPYr_xyhbond_nbd_refined
ELECTRON MICROSCOPYr_xyhbond_nbd_other
ELECTRON MICROSCOPYr_metal_ion_refined
ELECTRON MICROSCOPYr_metal_ion_other
ELECTRON MICROSCOPYr_symmetry_vdw_refined
ELECTRON MICROSCOPYr_symmetry_vdw_other
ELECTRON MICROSCOPYr_symmetry_hbond_refined
ELECTRON MICROSCOPYr_symmetry_hbond_other
ELECTRON MICROSCOPYr_symmetry_metal_ion_refined
ELECTRON MICROSCOPYr_symmetry_metal_ion_other
ELECTRON MICROSCOPYr_mcbond_it3.1395.0025078
ELECTRON MICROSCOPYr_mcbond_other3.1395.0025078
ELECTRON MICROSCOPYr_mcangle_it5.0299.0116323
ELECTRON MICROSCOPYr_mcangle_other5.0299.0146324
ELECTRON MICROSCOPYr_scbond_it3.4954.9231814
ELECTRON MICROSCOPYr_scbond_other3.494.9331578
ELECTRON MICROSCOPYr_scangle_it
ELECTRON MICROSCOPYr_scangle_other5.6148.95848390
ELECTRON MICROSCOPYr_long_range_B_refined8.52251.9349110
ELECTRON MICROSCOPYr_long_range_B_other8.48652.0548711
ELECTRON MICROSCOPYr_rigid_bond_restr
ELECTRON MICROSCOPYr_sphericity_free
ELECTRON MICROSCOPYr_sphericity_bonded
LS refinement shellResolution: 2.12→2.175 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0 0 -
Rwork0.877 98640 -
obs--100 %

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