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- PDB-6y7c: Early cytoplasmic yeast pre-40S particle (purified with Tsr1 as bait) -

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Basic information

Entry
Database: PDB / ID: 6y7c
TitleEarly cytoplasmic yeast pre-40S particle (purified with Tsr1 as bait)
Components
  • (40S ribosomal protein ...) x 28
  • 20S ribosomal RNA
  • Essential nuclear protein 1
  • Pre-rRNA-processing protein PNO1
  • Protein LTV1
  • Ribosome biogenesis protein TSR1
  • Serine/threonine-protein kinase RIO2
KeywordsRIBOSOME / yeast pre-ribosomal particle - small ribosomal subunit
Function / homology
Function and homology information


positive regulation of RNA import into nucleus / Ragulator complex / ATP export / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / endocytic recycling / rRNA primary transcript binding / positive regulation of translational fidelity / Negative regulators of DDX58/IFIH1 signaling / RMTs methylate histone arginines ...positive regulation of RNA import into nucleus / Ragulator complex / ATP export / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / endocytic recycling / rRNA primary transcript binding / positive regulation of translational fidelity / Negative regulators of DDX58/IFIH1 signaling / RMTs methylate histone arginines / Protein methylation / mTORC1-mediated signalling / Protein hydroxylation / response to osmotic stress / U3 snoRNA binding / positive regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / Formation of the ternary complex, and subsequently, the 43S complex / poly(A)+ mRNA export from nucleus / Translation initiation complex formation / Ribosomal scanning and start codon recognition / snoRNA binding / preribosome, small subunit precursor / Major pathway of rRNA processing in the nucleolus and cytosol / SRP-dependent cotranslational protein targeting to membrane / GTP hydrolysis and joining of the 60S ribosomal subunit / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Formation of a pool of free 40S subunits / L13a-mediated translational silencing of Ceruloplasmin expression / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / 90S preribosome / Ub-specific processing proteases / ribonucleoprotein complex binding / proteasome assembly / regulation of translational fidelity / ribosomal subunit export from nucleus / endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal small subunit export from nucleus / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosome assembly / maturation of SSU-rRNA / small-subunit processome / translational initiation / maintenance of translational fidelity / cytoplasmic stress granule / rRNA processing / late endosome membrane / unfolded protein binding / late endosome / protein transport / ribosome biogenesis / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / cellular response to oxidative stress / small ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / cytoplasmic translation / non-specific serine/threonine protein kinase / protein kinase activity / rRNA binding / structural constituent of ribosome / ribosome / translation / protein serine kinase activity / protein serine/threonine kinase activity / GTPase activity / mRNA binding / GTP binding / nucleolus / mitochondrion / RNA binding / zinc ion binding / nucleoplasm / ATP binding / metal ion binding / nucleus / cytoplasm / cytosol
Similarity search - Function
Ribosomal protein S8e, subdomain / Phosducin; domain 2 / OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #1000 / Ribosomal protein S21 / Hypothetical Cytosolic Protein; Chain: A; / Ribosomal protein S27 / Low temperature viability protein Ltv1 / Serine/threonine-protein kinase Rio2 / Low temperature viability protein / RIO2 kinase winged helix domain, N-terminal ...Ribosomal protein S8e, subdomain / Phosducin; domain 2 / OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #1000 / Ribosomal protein S21 / Hypothetical Cytosolic Protein; Chain: A; / Ribosomal protein S27 / Low temperature viability protein Ltv1 / Serine/threonine-protein kinase Rio2 / Low temperature viability protein / RIO2 kinase winged helix domain, N-terminal / Rio2, N-terminal / Alpha-Beta Plaits - #3370 / Tsr1, G-like domain / RIO kinase / RIO-like kinase / : / RIO domain / Bystin / Krr1, KH1 domain / Bystin / Krr1 KH1 domain / Ribosomal Protein S8; Chain: A, domain 1 - #30 / : / : / Eukaryotic type KH-domain (KH-domain type I) / Dna Ligase; domain 1 - #10 / Ribosomal protein S11/S14 / S15/NS1, RNA-binding / Ribosome biogenesis protein BMS1/TSR1, C-terminal / AARP2CN / Bms1/Tsr1-type G domain / Ribosome biogenesis protein Bms1/Tsr1 / 40S ribosome biogenesis protein Tsr1 and BMS1 C-terminal / AARP2CN (NUC121) domain / Bms1-type guanine nucleotide-binding (G) domain profile. / AARP2CN (NUC121) domain / Protein of unknown function (DUF663) / Glucose-6-phosphate isomerase like protein; domain 1 / Ribosomal Protein S8; Chain: A, domain 1 / N-terminal domain of TfIIb / Ribosomal Protein S5; domain 2 - #10 / K Homology domain, type 1 superfamily / Ribosomal Protein S5; domain 2 / Ribosomal protein S21e, conserved site / Ribosomal protein S21e signature. / : / Ribosomal protein S12e signature. / Ribosomal protein S12e / Ribosomal protein S5, eukaryotic/archaeal / Ribosomal protein S21e / Ribosomal protein S21e superfamily / Ribosomal protein S21e / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Ribosomal protein S2, eukaryotic / : / Ribosomal protein S7e signature. / Ribosomal protein S10, eukaryotic/archaeal / Ribosomal protein S30 / Ribosomal protein S30 / Ribosomal protein S17e, conserved site / Ribosomal protein S17e signature. / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein S2, eukaryotic/archaeal / Ribosomal protein S3Ae, conserved site / Ribosomal protein S3Ae signature. / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / Single Sheet / 40S ribosomal protein S4, C-terminal domain / 40S ribosomal protein S4 C-terminus / Ribosomal protein S27e signature. / Ribosomal protein S4e, N-terminal, conserved site / Ribosomal protein S4e signature. / Ribosomal protein S19A/S15e / Ribosomal protein S8e, conserved site / Ribosomal protein S8e signature. / Ribosomal protein S19e / Ribosomal protein S19e / Ribosomal_S19e / Ribosomal protein S17e / Ribosomal protein S17e-like superfamily / Ribosomal S17 / Ribosomal protein S6, eukaryotic / Ribosomal protein S7e / Ribosomal protein S7e / 40S ribosomal protein S1/3, eukaryotes / 40S ribosomal protein S11, N-terminal / Ribosomal_S17 N-terminal / : / Ribosomal S24e conserved site / Ribosomal protein S24e signature. / Ribosomal protein S4e, N-terminal / RS4NT (NUC023) domain / Ribosomal protein S4, KOW domain / Ribosomal protein S4e / Ribosomal protein S4e, central region / Ribosomal protein S4e, central domain superfamily / Ribosomal family S4e
Similarity search - Domain/homology
RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein uS4A / Small ribosomal subunit protein eS17A / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS11A / Small ribosomal subunit protein eS19A / Small ribosomal subunit protein eS21A ...RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein uS4A / Small ribosomal subunit protein eS17A / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS11A / Small ribosomal subunit protein eS19A / Small ribosomal subunit protein eS21A / Small ribosomal subunit protein uS8A / Small ribosomal subunit protein uS12A / Small ribosomal subunit protein eS24A / Small ribosomal subunit protein eS30A / Small ribosomal subunit protein eS4A / Small ribosomal subunit protein eS6A / Small ribosomal subunit protein eS8A / Small ribosomal subunit protein uS17A / Small ribosomal subunit protein uS9A / Small ribosomal subunit protein uS13A / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein eS7A / Small ribosomal subunit protein uS2A / Small ribosomal subunit protein eS1A / Protein LTV1 / Small ribosomal subunit protein eS27A / Essential nuclear protein 1 / Small ribosomal subunit protein uS10 / Serine/threonine-protein kinase RIO2 / Small ribosomal subunit protein uS14A / Small ribosomal subunit protein eS12 / Small ribosomal subunit protein uS19 / Ribosome biogenesis protein TSR1 / Small ribosomal subunit protein eS25A / Small ribosomal subunit protein eS28A / Pre-rRNA-processing protein PNO1
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsShayan, R. / Plassart, L. / Plisson-Chastang, C.
Funding support France, 1items
OrganizationGrant numberCountry
French National Research AgencyANR 16-CE11-0029 France
CitationJournal: Molecules / Year: 2020
Title: Good Vibrations: Structural Remodeling of Maturing Yeast Pre-40S Ribosomal Particles Followed by Cryo-Electron Microscopy.
Authors: Ramtin Shayan / Dana Rinaldi / Natacha Larburu / Laura Plassart / Stéphanie Balor / David Bouyssié / Simon Lebaron / Julien Marcoux / Pierre-Emmanuel Gleizes / Célia Plisson-Chastang /
Abstract: Assembly of eukaryotic ribosomal subunits is a very complex and sequential process that starts in the nucleolus and finishes in the cytoplasm with the formation of functional ribosomes. Over the past ...Assembly of eukaryotic ribosomal subunits is a very complex and sequential process that starts in the nucleolus and finishes in the cytoplasm with the formation of functional ribosomes. Over the past few years, characterization of the many molecular events underlying eukaryotic ribosome biogenesis has been drastically improved by the "resolution revolution" of cryo-electron microscopy (cryo-EM). However, if very early maturation events have been well characterized for both yeast ribosomal subunits, little is known regarding the final maturation steps occurring to the small (40S) ribosomal subunit. To try to bridge this gap, we have used proteomics together with cryo-EM and single particle analysis to characterize yeast pre-40S particles containing the ribosome biogenesis factor Tsr1. Our analyses lead us to refine the timing of the early pre-40S particle maturation steps. Furthermore, we suggest that after an early and structurally stable stage, the beak and platform domains of pre-40S particles enter a "vibrating" or "wriggling" stage, that might be involved in the final maturation of 18S rRNA as well as the fitting of late ribosomal proteins into their mature position.
History
DepositionFeb 28, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 18, 2020Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Mar 18, 2020Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1May 22, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_3d_fitting_list / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type
Revision 1.2Jul 2, 2025Group: Data collection / Structure summary / Category: em_admin / em_software / pdbx_entry_details
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification
Revision 1.1Jul 2, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_admin / em_software / Data content type: EM metadata / Item: _em_admin.last_update

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Structure visualization

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Assembly

Deposited unit
2: 20S ribosomal RNA
A: 40S ribosomal protein S0-A
B: 40S ribosomal protein S1-A
C: 40S ribosomal protein S2
E: 40S ribosomal protein S4-A
F: 40S ribosomal protein S5
G: 40S ribosomal protein S6-A
H: 40S ribosomal protein S7-A
I: 40S ribosomal protein S8-A
J: 40S ribosomal protein S9-A
L: 40S ribosomal protein S11-A
M: 40S ribosomal protein S12
N: 40S ribosomal protein S13
O: 40S ribosomal protein S14-A
P: 40S ribosomal protein S15
Q: 40S ribosomal protein S16-A
R: 40S ribosomal protein S17-A
S: 40S ribosomal protein S18-A
T: 40S ribosomal protein S19-A
U: 40S ribosomal protein S20
V: 40S ribosomal protein S21-A
W: 40S ribosomal protein S22-A
X: 40S ribosomal protein S23-A
Y: 40S ribosomal protein S24-A
Z: 40S ribosomal protein S25-A
b: 40S ribosomal protein S27-A
c: 40S ribosomal protein S28-A
d: 40S ribosomal protein S29-A
e: 40S ribosomal protein S30-A
h: Pre-rRNA-processing protein PNO1
i: Essential nuclear protein 1
j: Protein LTV1
l: Serine/threonine-protein kinase RIO2
t: Ribosome biogenesis protein TSR1


Theoretical massNumber of molelcules
Total (without water)1,328,43534
Polymers1,328,43534
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: mass spectrometry
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area173770 Å2
ΔGint-1192 kcal/mol
Surface area458710 Å2
MethodPISA

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Components

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RNA chain , 1 types, 1 molecules 2

#1: RNA chain 20S ribosomal RNA


Mass: 558895.688 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Details: Ribose 2'-O methylation on adenosins A100, A420,A436, A796
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)

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40S ribosomal protein ... , 28 types, 28 molecules ABCEFGHIJLMNOPQRSTUVWXYZbcde

#2: Protein 40S ribosomal protein S0-A / Nucleic acid-binding protein NAB1A / Small ribosomal subunit protein uS2-A


Mass: 28083.416 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P32905
#3: Protein 40S ribosomal protein S1-A / RP10A / Small ribosomal subunit protein eS1-A


Mass: 28798.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P33442
#4: Protein 40S ribosomal protein S2 / Omnipotent suppressor protein SUP44 / RP12 / S4 / Small ribosomal subunit protein uS5 / YS5


Mass: 27490.826 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P25443
#5: Protein 40S ribosomal protein S4-A / RP5 / S7 / Small ribosomal subunit protein eS4-A / YS6


Mass: 29469.330 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX35
#6: Protein 40S ribosomal protein S5 / RP14 / S2 / Small ribosomal subunit protein uS7 / YS8


Mass: 25072.600 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P26783
#7: Protein 40S ribosomal protein S6-A / RP9 / S10 / Small ribosomal subunit protein eS6-A / YS4


Mass: 27054.486 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX37
#8: Protein 40S ribosomal protein S7-A / RP30 / RP40 / Small ribosomal subunit protein eS7-A


Mass: 21658.209 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P26786
#9: Protein 40S ribosomal protein S8-A / RP19 / S14 / Small ribosomal subunit protein eS8-A / YS9


Mass: 22537.803 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX39
#10: Protein 40S ribosomal protein S9-A / RP21 / S13 / Small ribosomal subunit protein uS4-A / YP28 / YS11


Mass: 22487.893 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: O13516
#11: Protein 40S ribosomal protein S11-A / RP41 / S18 / Small ribosomal subunit protein uS17-A / YS12


Mass: 17785.934 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX47
#12: Protein 40S ribosomal protein S12 / Small ribosomal subunit protein eS12


Mass: 15488.631 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P48589
#13: Protein 40S ribosomal protein S13 / S27a / Small ribosomal subunit protein uS15 / YS15


Mass: 17059.945 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P05756
#14: Protein 40S ribosomal protein S14-A / RP59A / Small ribosomal subunit protein uS11-A


Mass: 14562.655 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P06367
#15: Protein 40S ribosomal protein S15 / RIG protein / RP52 / S21 / Small ribosomal subunit protein uS19 / YS21


Mass: 16031.907 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: Q01855
#16: Protein 40S ribosomal protein S16-A / RP61R / Small ribosomal subunit protein uS9-A


Mass: 15877.490 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX51
#17: Protein 40S ribosomal protein S17-A / RP51A / Small ribosomal subunit protein eS17-A


Mass: 15820.413 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P02407
#18: Protein 40S ribosomal protein S18-A / Small ribosomal subunit protein uS13-A


Mass: 17071.641 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX55
#19: Protein 40S ribosomal protein S19-A / RP55A / S16a / Small ribosomal subunit protein eS19-A / YP45 / YS16A


Mass: 15942.125 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P07280
#20: Protein 40S ribosomal protein S20 / Small ribosomal subunit protein uS10


Mass: 13929.044 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P38701
#21: Protein 40S ribosomal protein S21-A / S26 / Small ribosomal subunit protein eS21-A / YS25


Mass: 9758.829 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0C0V8
#22: Protein 40S ribosomal protein S22-A / RP50 / S24 / Small ribosomal subunit protein uS8-A / YP58 / YS22


Mass: 14620.080 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0C0W1
#23: Protein 40S ribosomal protein S23-A / RP37 / S28 / Small ribosomal subunit protein uS12-A / YS14


Mass: 16073.896 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX29
#24: Protein 40S ribosomal protein S24-A / RP50 / Small ribosomal subunit protein eS24-A


Mass: 15362.848 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX31
#25: Protein 40S ribosomal protein S25-A / RP45 / S31 / Small ribosomal subunit protein eS25-A / YS23


Mass: 12067.272 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: Q3E792
#26: Protein 40S ribosomal protein S27-A / RP61 / Small ribosomal subunit protein eS27-A / YS20


Mass: 8893.391 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P35997
#27: Protein 40S ribosomal protein S28-A / S33 / Small ribosomal subunit protein eS28-A / YS27


Mass: 7605.847 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: Q3E7X9
#28: Protein 40S ribosomal protein S29-A / S36 / Small ribosomal subunit protein uS14-A / YS29


Mass: 6675.723 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P41057
#29: Protein 40S ribosomal protein S30-A / Small ribosomal subunit protein eS30-A


Mass: 7137.541 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P0CX33

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Protein , 5 types, 5 molecules hijlt

#30: Protein Pre-rRNA-processing protein PNO1 / Partner of NOB1 / Ribosomal RNA-processing protein 20


Mass: 30380.623 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: Q99216
#31: Protein Essential nuclear protein 1


Mass: 55207.422 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P38333
#32: Protein Protein LTV1 / Low-temperature viability protein 1


Mass: 53463.254 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P34078
#33: Protein Serine/threonine-protein kinase RIO2


Mass: 49192.852 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: P40160, non-specific serine/threonine protein kinase
#34: Protein Ribosome biogenesis protein TSR1 / 20S rRNA accumulation protein 1


Mass: 90876.539 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
References: UniProt: Q07381

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Details

Has ligand of interestN
Has protein modificationN

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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: early cytoplasmic yeast pre-40S particle (purified using Tsr1 as bait)
Type: RIBOSOME / Entity ID: all / Source: NATURAL
Molecular weightValue: 1.8 MDa / Experimental value: NO
Source (natural)Organism: Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/1
VitrificationInstrument: LEICA EM GP / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 292 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 FIELD
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 29.4 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.12_2829: / Classification: refinement
EM software
IDNameVersionCategory
2EPUimage acquisition
7UCSF Chimeramodel fitting
9RELION2.1initial Euler assignment
10RELION2.1final Euler assignment
11RELION2.1classification
12RELION2.13D reconstruction
13REFMACmodel refinement
14PHENIXmodel refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 19564 / Algorithm: EXACT BACK PROJECTION / Num. of class averages: 1 / Symmetry type: POINT
Atomic model buildingProtocol: OTHER
Atomic model buildingPDB-ID: 6FAI

6fai


Accession code: 6FAI / Source name: PDB / Type: experimental model
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.01384671
ELECTRON MICROSCOPYf_angle_d1.179122649
ELECTRON MICROSCOPYf_dihedral_angle_d16.8247406
ELECTRON MICROSCOPYf_chiral_restr0.0615227
ELECTRON MICROSCOPYf_plane_restr0.0089227

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