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- PDB-6spc: Pseudomonas aeruginosa 30s ribosome from an aminoglycoside resist... -

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Basic information

Entry
Database: PDB / ID: 6spc
TitlePseudomonas aeruginosa 30s ribosome from an aminoglycoside resistant clinical isolate
Components
  • (30S ribosomal protein ...) x 20
  • 16S rRNA
KeywordsRIBOSOME / Pseudomonas aeruginosa
Function / homology
Function and homology information


small ribosomal subunit / tRNA binding / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / mRNA binding / cytoplasm
Similarity search - Function
Helix Hairpins - #1480 / S16 Ribosomal Protein; Chain: A; / Ribosomal protein S16 / Ribosomal protein S18 / 30s Ribosomal Protein S18 / 30s ribosomal protein s13; domain 2 / Ribosomal protein S13/S18, C-terminal domain / Ribosomal protein S20 / 30s Ribosomal Protein S19; Chain A / Ribosomal protein S19/S15 ...Helix Hairpins - #1480 / S16 Ribosomal Protein; Chain: A; / Ribosomal protein S16 / Ribosomal protein S18 / 30s Ribosomal Protein S18 / 30s ribosomal protein s13; domain 2 / Ribosomal protein S13/S18, C-terminal domain / Ribosomal protein S20 / 30s Ribosomal Protein S19; Chain A / Ribosomal protein S19/S15 / Ribosomal protein S3, C-terminal domain / Ribosomal Protein S8; Chain: A, domain 1 - #30 / Ribosomal protein S6/Translation elongation factor EF1B / Ribosomal protein S3 C-terminal domain / Helix hairpin bin / Dna Ligase; domain 1 - #10 / Ribosomal protein S11/S14 / Ribosomal protein S10 / S15/NS1, RNA-binding / K homology (KH) domain / Helicase, Ruva Protein; domain 3 - #50 / Glucose-6-phosphate isomerase like protein; domain 1 / Type-1 KH domain profile. / Ribosomal Protein S8; Chain: A, domain 1 / Ribosomal Protein S5; domain 2 - #10 / GMP Synthetase; Chain A, domain 3 / Ribosomal Protein S5; domain 2 / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein S14, bacterial/plastid / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S21 / Helicase, Ruva Protein; domain 3 / Nucleic acid-binding proteins / Dna Ligase; domain 1 / Methane Monooxygenase Hydroxylase; Chain G, domain 1 / Ribosomal protein S3, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S19, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein S9, bacterial/plastid / Ribosomal protein S4, bacterial-type / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein S2, bacteria/mitochondria/plastid / 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 S2 signature 2. / 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 / K Homology domain / K homology RNA-binding domain / Ribosomal protein S3, conserved site / Ribosomal protein S14, conserved site / Ribosomal protein S10, conserved site / : / K Homology domain, type 2 / Ribosomal protein S3, C-terminal / Ribosomal protein S3, C-terminal domain superfamily / Ribosomal protein S15/S19, conserved site / KH domain / Ribosomal protein S19/S15 / Ribosomal protein S19/S15, superfamily / Ribosomal protein S10 / Ribosomal protein S3, C-terminal domain / Few Secondary Structures / Irregular / Ribosomal protein S3 signature. / Ribosomal protein S10 signature. / Ribosomal protein S14 signature. / Ribosomal protein S7, conserved site / K homology domain superfamily, prokaryotic type / Ribosomal protein S19 / Ribosomal protein S2 signature 1. / Ribosomal protein S2, conserved site / Ribosomal protein S13, conserved site / Ribosomal protein S2 / Ribosomal protein S2, flavodoxin-like domain superfamily / Ribosomal protein S13 / 30s ribosomal protein S13, C-terminal / Ribosomal protein S2 / Ribosomal protein S4/S9 N-terminal domain
Similarity search - Domain/homology
: / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein bS21 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS15 ...: / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein bS21 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein uS14 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS11
Similarity search - Component
Biological speciesPseudomonas aeruginosa (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.95 Å
AuthorsHalfon, Y. / Jimenez-Fernande, A. / La Ros, R. / Espinos, R. / Krogh Johansen, H. / Matzov, D. / Eyal, Z. / Bashan, A. / Zimmerman, E. / Belousoff, M. ...Halfon, Y. / Jimenez-Fernande, A. / La Ros, R. / Espinos, R. / Krogh Johansen, H. / Matzov, D. / Eyal, Z. / Bashan, A. / Zimmerman, E. / Belousoff, M. / Molin, S. / Yonath, A.
Funding support Denmark, 4items
OrganizationGrant numberCountry
Danish Council for Independent ResearchDFF-4181-00115 Denmark
Novo Nordisk Foundation Denmark
European Research Council322581
European UnioniNEXT, project number 653706, funded by the Horizon 2020 programme of the European Union
CitationJournal: Proc Natl Acad Sci U S A / Year: 2019
Title: Structure of ribosomes from an aminoglycoside-resistant clinical isolate.
Authors: Yehuda Halfon / Alicia Jimenez-Fernandez / Ruggero La Rosa / Rocio Espinosa Portero / Helle Krogh Johansen / Donna Matzov / Zohar Eyal / Anat Bashan / Ella Zimmerman / Matthew Belousoff / ...Authors: Yehuda Halfon / Alicia Jimenez-Fernandez / Ruggero La Rosa / Rocio Espinosa Portero / Helle Krogh Johansen / Donna Matzov / Zohar Eyal / Anat Bashan / Ella Zimmerman / Matthew Belousoff / Søren Molin / Ada Yonath /
Abstract: Resistance to antibiotics has become a major threat to modern medicine. The ribosome plays a fundamental role in cell vitality by the translation of the genetic code into proteins; hence, it is a ...Resistance to antibiotics has become a major threat to modern medicine. The ribosome plays a fundamental role in cell vitality by the translation of the genetic code into proteins; hence, it is a major target for clinically useful antibiotics. We report here the cryo-electron microscopy structures of the ribosome of a pathogenic aminoglycoside (AG)-resistant strain, as well as of a nonresistance strain isolated from a cystic fibrosis patient. The structural studies disclosed defective ribosome complex formation due to a conformational change of rRNA helix H69, an essential intersubunit bridge, and a secondary binding site of the AGs. In addition, a stable conformation of nucleotides A1486 and A1487, pointing into helix h44, is created compared to a non-AG-bound ribosome. We suggest that altering the conformations of ribosomal protein uL6 and rRNA helix H69, which interact with initiation-factor IF2, interferes with proper protein synthesis initiation.
History
DepositionSep 1, 2019Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 16, 2019Provider: repository / Type: Initial release
Revision 1.1Oct 23, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed ..._citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID / _citation_author.name
Revision 1.2Nov 6, 2019Group: Data collection / Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last

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Structure visualization

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Assembly

Deposited unit
a: 16S rRNA
b: 30S ribosomal protein S2
c: 30S ribosomal protein S3
d: 30S ribosomal protein S4
e: 30S ribosomal protein S5
f: 30S ribosomal protein S6
g: 30S ribosomal protein S7
h: 30S ribosomal protein S8
i: 30S ribosomal protein S9
j: 30S ribosomal protein S10
k: 30S ribosomal protein S11
l: 30S ribosomal protein S12
m: 30S ribosomal protein S13
n: 30S ribosomal protein S14
o: 30S ribosomal protein S15
p: 30S ribosomal protein S16
q: 30S ribosomal protein S17
r: 30S ribosomal protein S18
s: 30S ribosomal protein S19
t: 30S ribosomal protein S20
u: 30S ribosomal protein S21


Theoretical massNumber of molelcules
Total (without water)752,36121
Polymers752,36121
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: mass spectrometry
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area86180 Å2
ΔGint-567 kcal/mol
Surface area301950 Å2
MethodPISA

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Components

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RNA chain , 1 types, 1 molecules a

#1: RNA chain 16S rRNA /


Mass: 492386.594 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: GenBank: 1359201046

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30S ribosomal protein ... , 20 types, 20 molecules bcdefghijklmnopqrstu

#2: Protein 30S ribosomal protein S2 /


Mass: 24760.713 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A072ZPV8
#3: Protein 30S ribosomal protein S3 /


Mass: 23180.906 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A140S919
#4: Protein 30S ribosomal protein S4 /


Mass: 23187.473 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A072ZDF7
#5: Protein 30S ribosomal protein S5 /


Mass: 15690.258 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A241XG65
#6: Protein 30S ribosomal protein S6 /


Mass: 11613.011 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A069Q263
#7: Protein 30S ribosomal protein S7 /


Mass: 17313.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A2V3F2U6
#8: Protein 30S ribosomal protein S8 /


Mass: 13536.733 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: E2RXT9
#9: Protein 30S ribosomal protein S9 /


Mass: 14139.195 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A069PXX1
#10: Protein 30S ribosomal protein S10 /


Mass: 10886.569 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: E2RXT0
#11: Protein 30S ribosomal protein S11 /


Mass: 12086.657 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: E2RXU4
#12: Protein 30S ribosomal protein S12 /


Mass: 13472.612 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A071L394
#13: Protein 30S ribosomal protein S13 /


Mass: 12144.019 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: E2RXU3
#14: Protein 30S ribosomal protein S14 /


Mass: 11203.024 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: E2RXT8
#15: Protein 30S ribosomal protein S15 /


Mass: 9847.271 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A071L3R7
#16: Protein 30S ribosomal protein S16 /


Mass: 8762.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A2V4FRZ2
#17: Protein 30S ribosomal protein S17 /


Mass: 8848.358 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: E2RXT5
#18: Protein 30S ribosomal protein S18 /


Mass: 6411.410 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A2V3DLV3
#19: Protein 30S ribosomal protein S19 /


Mass: 9182.882 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: E2RXT2
#20: Protein 30S ribosomal protein S20 /


Mass: 9497.140 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A072ZDZ9
#21: Protein/peptide 30S ribosomal protein S21 /


Mass: 4209.891 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Pseudomonas aeruginosa (bacteria) / References: UniProt: A0A069QC99

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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: Pseudomonas aeruginosa 70s ribosome from a clinical isolate
Type: RIBOSOME / Entity ID: all / Source: NATURAL
Source (natural)Organism: Pseudomonas aeruginos (bacteria)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 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
Image recordingElectron dose: 1 e/Å2 / Film or detector model: FEI FALCON II (4k x 4k)

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Processing

EM software
IDNameCategory
1RELIONparticle selection
4GctfCTF correction
10RELIONinitial Euler assignment
11RELIONfinal Euler assignment
12RELIONclassification
13RELION3D reconstruction
CTF correctionType: NONE
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 2.95 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 319022 / Symmetry type: POINT

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