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- PDB-7boi: Bacterial 30S ribosomal subunit assembly complex state F (multibo... -

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Basic information

Entry
Database: PDB / ID: 7boi
TitleBacterial 30S ribosomal subunit assembly complex state F (multibody refinement for body domain of 30S ribosome)
Components
  • (30S ribosomal protein ...) x 12
  • 16S rRNA
  • Small ribosomal subunit biogenesis GTPase RsgA
KeywordsRIBOSOME / Cryo-EM / 30S biogenesis / ribosome assembly / RbfA / RsgA / YjeQ / RimP / KsgA / RsmA
Function / homology
Function and homology information


guanosine tetraphosphate binding / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides / misfolded RNA binding / Group I intron splicing / RNA folding / four-way junction DNA binding / negative regulation of translational initiation / regulation of mRNA stability ...guanosine tetraphosphate binding / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides / 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 / DNA-templated transcription termination / maintenance of translational fidelity / mRNA 5'-UTR binding / GDP binding / regulation of translation / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / small ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / tRNA binding / cytoplasmic translation / molecular adaptor activity / rRNA binding / ribosome / structural constituent of ribosome / translation / response to antibiotic / GTPase activity / GTP binding / zinc ion binding / metal ion binding / cytoplasm / cytosol
Similarity search - Function
Ribosome biogenesis GTPase RsgA / RsgA GTPase domain / RsgA GTPase / EngC GTPase domain profile. / Circularly permuted (CP)-type guanine nucleotide-binding (G) domain / Circularly permuted (CP)-type guanine nucleotide-binding (G) domain profile. / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein S21 superfamily / Ribosomal protein S21 ...Ribosome biogenesis GTPase RsgA / RsgA GTPase domain / RsgA GTPase / EngC GTPase domain profile. / Circularly permuted (CP)-type guanine nucleotide-binding (G) domain / Circularly permuted (CP)-type guanine nucleotide-binding (G) domain profile. / 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 S5, N-terminal, conserved site / Ribosomal protein S5 signature. / Ribosomal protein S17, conserved site / Ribosomal protein S17 signature. / S5 double stranded RNA-binding domain profile. / Ribosomal protein S5 / Ribosomal protein S5, N-terminal / Ribosomal protein S5, N-terminal domain / Ribosomal protein S5, C-terminal / Ribosomal protein S5, C-terminal domain / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S8 signature. / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S4/S9, N-terminal / Ribosomal protein S4, conserved site / Ribosomal protein S4 signature. / Ribosomal protein S15 signature. / Ribosomal protein S4/S9 / Ribosomal protein S8 / Ribosomal protein S8 superfamily / Ribosomal protein S8 / S4 RNA-binding domain profile. / Ribosomal S11, conserved site / Ribosomal protein S11 signature. / Ribosomal protein S11 / Ribosomal protein S11 / S4 RNA-binding domain / S4 domain / RNA-binding S4 domain / RNA-binding S4 domain superfamily / Ribosomal protein S12 signature. / Ribosomal protein S12/S23 / Ribosomal protein S12/S23 / Ribosomal protein S17/S11 / Ribosomal protein S17 / Ribosomal protein S15 / Ribosomal_S15 / Ribosomal protein S15 / Ribosomal protein S11 superfamily / S15/NS1, RNA-binding / Ribosomal protein S5 domain 2-type fold, subgroup / Ribosomal protein S5 domain 2-type fold / Nucleic acid-binding, OB-fold / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER / : / 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 ...PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER / : / 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 biogenesis GTPase RsgA / Small ribosomal subunit protein bS21
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Escherichia coli K-12 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.98 Å
AuthorsSchedlbauer, A. / Iturrioz, I. / Ochoa-Lizarralde, B. / Diercks, T. / Kaminishi, T. / Capuni, R. / Astigarraga, E. / Gil-Carton, D. / Fucini, P. / Connell, S.
Funding support Spain, 2items
OrganizationGrant numberCountry
Ministry of Economy and Competitiveness (MINECO)CTQ2017-82222-R Spain
European CommissionPCIG14-GA-2013-632072 Spain
CitationJournal: Sci Adv / Year: 2021
Title: A conserved rRNA switch is central to decoding site maturation on the small ribosomal subunit.
Authors: Andreas Schedlbauer / Idoia Iturrioz / Borja Ochoa-Lizarralde / Tammo Diercks / Jorge Pedro López-Alonso / José Luis Lavin / Tatsuya Kaminishi / Retina Çapuni / Neha Dhimole / Elisa de ...Authors: Andreas Schedlbauer / Idoia Iturrioz / Borja Ochoa-Lizarralde / Tammo Diercks / Jorge Pedro López-Alonso / José Luis Lavin / Tatsuya Kaminishi / Retina Çapuni / Neha Dhimole / Elisa de Astigarraga / David Gil-Carton / Paola Fucini / Sean R Connell /
Abstract: While a structural description of the molecular mechanisms guiding ribosome assembly in eukaryotic systems is emerging, bacteria use an unrelated core set of assembly factors for which high- ...While a structural description of the molecular mechanisms guiding ribosome assembly in eukaryotic systems is emerging, bacteria use an unrelated core set of assembly factors for which high-resolution structural information is still missing. To address this, we used single-particle cryo-electron microscopy to visualize the effects of bacterial ribosome assembly factors RimP, RbfA, RsmA, and RsgA on the conformational landscape of the 30 ribosomal subunit and obtained eight snapshots representing late steps in the folding of the decoding center. Analysis of these structures identifies a conserved secondary structure switch in the 16 ribosomal RNA central to decoding site maturation and suggests both a sequential order of action and molecular mechanisms for the assembly factors in coordinating and controlling this switch. Structural and mechanistic parallels between bacterial and eukaryotic systems indicate common folding features inherent to all ribosomes.
History
DepositionJan 25, 2021Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 7, 2021Provider: repository / Type: Initial release
Revision 1.1Dec 8, 2021Group: Database references / Category: database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.2Apr 24, 2024Group: Data collection / Derived calculations / Category: chem_comp_atom / chem_comp_bond / struct_conn / Item: _struct_conn.pdbx_leaving_atom_flag

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Assembly

Deposited unit
A: 16S rRNA
D: 30S ribosomal protein S4
E: 30S ribosomal protein S5
F: 30S ribosomal protein S6
H: 30S ribosomal protein S8
K: 30S ribosomal protein S11
L: 30S ribosomal protein S12
O: 30S ribosomal protein S15
P: 30S ribosomal protein S16
Q: 30S ribosomal protein S17
R: 30S ribosomal protein S18
T: 30S ribosomal protein S20
U: 30S ribosomal protein S21
W: Small ribosomal subunit biogenesis GTPase RsgA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)696,62288
Polymers694,28414
Non-polymers2,33874
Water00
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area67440 Å2
ΔGint-1029 kcal/mol
Surface area196690 Å2
MethodPISA

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Components

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30S ribosomal protein ... , 12 types, 12 molecules DEFHKLOPQRTU

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


Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7V8
#3: Protein 30S ribosomal protein S5 / Small ribosomal subunit protein uS5


Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7W1
#4: Protein 30S ribosomal protein S6 / Small ribosomal subunit protein bS6


Mass: 15727.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P02358
#5: Protein 30S ribosomal protein S8 / Small ribosomal subunit protein uS8


Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7W7
#6: Protein 30S ribosomal protein S11 / Small ribosomal subunit protein uS11


Mass: 13870.975 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7R9
#7: Protein 30S ribosomal protein S12 / Small ribosomal subunit protein uS12


Mass: 13814.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7S3
#8: Protein 30S ribosomal protein S15 / Small ribosomal subunit protein uS15


Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0ADZ4
#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 (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7T3
#10: Protein 30S ribosomal protein S17 / Small ribosomal subunit protein uS17


Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0AG63
#11: Protein 30S ribosomal protein S18 / Small ribosomal subunit protein bS18


Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7T7
#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 (strain K12) (bacteria) / Strain: K12 / References: UniProt: P0A7U7
#13: Protein 30S ribosomal protein S21 / Small ribosomal subunit protein bS21


Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (strain K12) (bacteria) / Strain: K12 / References: UniProt: P68679

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RNA chain / Protein , 2 types, 2 molecules AW

#14: Protein Small ribosomal subunit biogenesis GTPase RsgA


Mass: 39247.273 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (strain K12) (bacteria)
Strain: K12 / Gene: rsgA, engC, yjeQ, b4161, JW4122 / Production host: Escherichia coli (E. coli)
References: UniProt: P39286, Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides
#1: RNA chain 16S rRNA


Mass: 499873.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / References: GenBank: 1789840096

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Non-polymers , 3 types, 74 molecules

#15: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 72 / Source method: obtained synthetically / Formula: Mg
#16: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#17: Chemical ChemComp-GNP / PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER


Mass: 522.196 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H17N6O13P3
Comment: GppNHp, GMPPNP, energy-carrying molecule analogue*YM

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Details

Has ligand of interestN

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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

Component
IDNameTypeDetailsEntity IDParent-IDSource
1Bacterial 30S ribosomal subunit assembly complex state F (multibody refinement for body domain of 30S ribosome)COMPLEXmultibody refinement for body domain of 30S ribosome#1-#140MULTIPLE SOURCES
2Bacterial 30S ribosomal subunit assemblyCOMPLEX#1-#141NATURAL
Source (natural)Organism: Escherichia coli (strain K12) (bacteria)
Buffer solutionpH: 7.8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid type: Quantifoil R2/2
VitrificationCryogen 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: SPOT SCAN
Electron lensMode: BRIGHT FIELD
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 46.1 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM software
IDNameVersionCategory
10RELION3initial Euler assignment
11RELION3final Euler assignment
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 200953
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 2.98 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 21537 / Symmetry type: POINT

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