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- EMDB-12178: Staphylococcus aureus 30S ribosomal subunit in presence of spermi... -

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Basic information

Entry
Database: EMDB / ID: EMD-12178
TitleStaphylococcus aureus 30S ribosomal subunit in presence of spermidine (body only)
Map data
Sample
  • Complex: Staphylococcus aureus 30S ribosomal subunit in the presence of spermidine (body only)
    • Complex: 30S ribosomal subunit
      • RNA: x 1 types
      • Protein or peptide: x 12 types
    • Complex: mRNA
      • RNA: x 1 types
KeywordsPathogen / small ribosomal subunit / spermidine / RIBOSOME
Function / homology
Function and homology information


ribosomal small subunit biogenesis / small ribosomal subunit / small ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / tRNA binding / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex ...ribosomal small subunit biogenesis / small ribosomal subunit / small ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / tRNA binding / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / cytosol / cytoplasm
Similarity search - Function
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 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 S2, bacteria/mitochondria/plastid / Ribosomal protein S18, conserved site / Ribosomal protein S18 signature. / Ribosomal protein S16 / Ribosomal protein S16 domain superfamily / Ribosomal protein S16 / 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 S2 signature 2. / Ribosomal protein S2 signature 1. / : / Ribosomal protein S5, N-terminal, conserved site / Ribosomal protein S5 signature. / Ribosomal protein S2, conserved site / Ribosomal protein S2 / Ribosomal protein S2, flavodoxin-like domain superfamily / Ribosomal protein S2 / Ribosomal protein S17, conserved site / Ribosomal protein S17 signature. / Ribosomal protein S5 / S5 double stranded RNA-binding domain profile. / Ribosomal protein S5, N-terminal / Ribosomal protein S5, C-terminal / Ribosomal protein S5, N-terminal domain / Ribosomal protein S5, C-terminal domain / Ribosomal protein S8 signature. / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S4, conserved site / Ribosomal protein S4 signature. / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S4/S9, N-terminal / 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 / S4 RNA-binding domain / S4 domain / Ribosomal protein S11 / RNA-binding S4 domain / Ribosomal protein S12 signature. / RNA-binding S4 domain superfamily / 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
Similarity search - Domain/homology
Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS18 ...Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS15
Similarity search - Component
Biological speciesStaphylococcus aureus subsp. aureus NCTC 8325 (bacteria) / Staphylococcus aureus (bacteria) / Staphylococcus aureus (strain NCTC 8325) (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsBelinite M / Khusainov I
Funding support France, 2 items
OrganizationGrant numberCountry
Laboratories of Excellence (LabEx)ANR-10-LABX-0036 NETRNA France
Agence Nationale de la Recherche (ANR)ANR-16-CE11-0007-01 France
CitationJournal: Front Mol Biosci / Year: 2021
Title: Stabilization of Ribosomal RNA of the Small Subunit by Spermidine in .
Authors: Margarita Belinite / Iskander Khusainov / Heddy Soufari / Stefano Marzi / Pascale Romby / Marat Yusupov / Yaser Hashem /
Abstract: Cryo-electron microscopy is now used as a method of choice in structural biology for studying protein synthesis, a process mediated by the ribosome machinery. In order to achieve high-resolution ...Cryo-electron microscopy is now used as a method of choice in structural biology for studying protein synthesis, a process mediated by the ribosome machinery. In order to achieve high-resolution structures using this approach, one needs to obtain homogeneous and stable samples, which requires optimization of ribosome purification in a species-dependent manner. This is especially critical for the bacterial small ribosomal subunit that tends to be unstable in the absence of ligands. Here, we report a protocol for purification of stable 30 S from the Gram-positive bacterium and its cryo-EM structures: in presence of spermidine at a resolution ranging between 3.4 and 3.6 Å and in its absence at 5.3 Å. Using biochemical characterization and cryo-EM, we demonstrate the importance of spermidine for stabilization of the 30 S preserving favorable conformation of the helix 44.
History
DepositionJan 6, 2021-
Header (metadata) releaseDec 8, 2021-
Map releaseDec 8, 2021-
UpdateJul 10, 2024-
Current statusJul 10, 2024Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.0357
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by height
  • Surface level: 0.0357
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7bgd
  • Surface level: 0.0357
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_12178.png

Downloads & links

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Map

FileDownload / File: emd_12178.map.gz / Format: CCP4 / Size: 75.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.19 Å/pix.
x 270 pix.
= 321.3 Å		1.19 Å/pix.
x 270 pix.
= 321.3 Å		1.19 Å/pix.
x 270 pix.
= 321.3 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.19 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0357 / Movie #1: 0.0357
Minimum - Maximum-0.1381612 - 0.29721117
Average (Standard dev.)0.0008409397 (±0.008373309)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions270270270
Spacing270270270
CellA=B=C: 321.30002 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.191.191.19
M x/y/z270270270
origin x/y/z0.0000.0000.000
length x/y/z321.300321.300321.300
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS270270270
D min/max/mean-0.1380.2970.001

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Supplemental data

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Sample components

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Entire : Staphylococcus aureus 30S ribosomal subunit in the presence of sp...

EntireName: Staphylococcus aureus 30S ribosomal subunit in the presence of spermidine (body only)
Components
  • Complex: Staphylococcus aureus 30S ribosomal subunit in the presence of spermidine (body only)
    • Complex: 30S ribosomal subunit
      • RNA: 16S ribosomal RNA
      • Protein or peptide: 30S ribosomal protein S2
      • Protein or peptide: 30S ribosomal protein S4
      • Protein or peptide: 30S ribosomal protein S5
      • Protein or peptide: 30S ribosomal protein S6
      • Protein or peptide: 30S ribosomal protein S8
      • Protein or peptide: 30S ribosomal protein S11
      • Protein or peptide: 30S ribosomal protein S12
      • Protein or peptide: 30S ribosomal protein S15
      • Protein or peptide: 30S ribosomal protein S16
      • Protein or peptide: 30S ribosomal protein S17
      • Protein or peptide: 30S ribosomal protein S18
      • Protein or peptide: 30S ribosomal protein S20
    • Complex: mRNA
      • RNA: mRNA

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Supramolecule #1: Staphylococcus aureus 30S ribosomal subunit in the presence of sp...

SupramoleculeName: Staphylococcus aureus 30S ribosomal subunit in the presence of spermidine (body only)
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all

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Supramolecule #2: 30S ribosomal subunit

SupramoleculeName: 30S ribosomal subunit / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #2-#14
Source (natural)Organism: Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)

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Supramolecule #3: mRNA

SupramoleculeName: mRNA / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)

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Macromolecule #1: mRNA

MacromoleculeName: mRNA / type: rna / ID: 1 / Number of copies: 1
Source (natural)Organism: Staphylococcus aureus (bacteria) / Strain: NCTC 8325
Molecular weightTheoretical: 10.3923 KDa
SequenceString:
ACAUACAGGG GGUAUUAAUU UGAAAAAGAA AA

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Macromolecule #2: 16S ribosomal RNA

MacromoleculeName: 16S ribosomal RNA / type: rna / ID: 2 / Number of copies: 1
Source (natural)Organism: Staphylococcus aureus (bacteria) / Strain: NCTC 8325
Molecular weightTheoretical: 503.218031 KDa
SequenceString: UUUUCUGGAG AGUUUGAUCC UGGCUCAGGA UGAACGCUGG CGGCGUGCCU AAUACAUGCA AGUCGAGCGA ACGGACGAGA AGCUUGCUU CUCUGAUGUU AGCGGCGGAC GGGUGAGUAA CACGUGGAUA ACCUACCUAU AAGACUGGGA UAACUUCGGG A AACCGUAG ...String:
UUUUCUGGAG AGUUUGAUCC UGGCUCAGGA UGAACGCUGG CGGCGUGCCU AAUACAUGCA AGUCGAGCGA ACGGACGAGA AGCUUGCUU CUCUGAUGUU AGCGGCGGAC GGGUGAGUAA CACGUGGAUA ACCUACCUAU AAGACUGGGA UAACUUCGGG A AACCGUAG CUAAUACCGG AUAAUAUUUU GAACCGCAUG GUUCAAAAGU GAAAGACGGU CUUGCUGUCA CUUAUAGAUG GA UCCGCGC UGCAUUAGCU AGUUGGUAAG GUAACGGCUU ACCAAGGCAA CGAUGCAUAG CCGACCUGAG AGGGUGAUCG GCC ACACUG GAACUGAGAC ACGGUCCAGA CUCCUACGGG AGGCAGCAGU AGGGAAUCUU CCGCAAUGGG CGAAAGCCUG ACGG AGCAA CGCCGCGUGA GUGAUGAAGG UCUUCGGAUC GUAAAACUCU GUUAUUAGGG AAGAACAUAU GUGUAAGUAA CUGUG CACA UCUUGACGGU ACCUAAUCAG AAAGCCACGG CUAACUACGU GCCAGCAGCC GCGGUAAUAC GUAGGUGGCA AGCGUU AUC CGGAAUUAUU GGGCGUAAAG CGCGCGUAGG CGGUUUUUUA AGUCUGAUGU GAAAGCCCAC GGCUCAACCG UGGAGGG UC AUUGGAAACU GGAAAACUUG AGUGCAGAAG AGGAAAGUGG AAUUCCAUGU GUAGCGGUGA AAUGCGCAGA GAUAUGGA G GAACACCAGU GGCGAAGGCG ACUUUCUGGU CUGUAACUGA CGCUGAUGUG CGAAAGCGUG GGGAUCAAAC AGGAUUAGA UACCCUGGUA GUCCACGCCG UAAACGAUGA GUGCUAAGUG UUAGGGGGUU UCCCGCCCCU UAGUGCUGCA GCUAACGCAU UAAGCACUC CGCCUGGGGA GUACGACCGC AAGGUUGAAA CUCAAAGGAA UUGACGGGGA CCCGCACAAG CGGUGGAGCA U GUGGUUUA AUUCGAAGCA ACGCGAAGAA CCUUACCAAA UCUUGACAUC CUUUGACAAC UCUAGAGAUA GAGCCUUCCC CU UCGGGGG ACAAAGUGAC AGGUGGUGCA UGGUUGUCGU CAGCUCGUGU CGUGAGAUGU UGGGUUAAGU CCCGCAACGA GCG CAACCC UUAAGCUUAG UUGCCAUCAU UAAGUUGGGC ACUCUAAGUU GACUGCCGGU GACAAACCGG AGGAAGGUGG GGAU GACGU CAAAUCAUCA UGCCCCUUAU GAUUUGGGCU ACACACGUGC UACAAUGGAC AAUACAAAGG GCAGCGAAAC CGCGA GGUC AAGCAAAUCC CAUAAAGUUG UUCUCAGUUC GGAUUGUAGU CUGCAACUCG ACUACAUGAA GCUGGAAUCG CUAGUA AUC GUAGAUCAGC AUGCUACGGU GAAUACGUUC CCGGGUCUUG UACACACCGC CCGUCACACC ACGAGAGUUU GUAACAC CC GAAGCCGGUG GAGUAACCUU UUAGGAGCUA GCCGUCGAAG GUGGGACAAA UGAUUGGGGU GAAGUCGUAA CAAGGUAG C CGUAUCGGAA GGUGCGGCUG GAUCACCUCC UUUCU

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Macromolecule #3: 30S ribosomal protein S2

MacromoleculeName: 30S ribosomal protein S2 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 29.136369 KDa
SequenceString: MAVISMKQLL EAGVHFGHQT RRWNPKMKKY IFTERNGIYI IDLQKTVKKV DEAYNFLKQV SEDGGQVLFV GTKKQAQESV KSEAERAGQ FYINQRWLGG LLTNYKTISK RIKRISEIEK MEEDGLFEVL PKKEVVELKK EYDRLIKFLG GIRDMKSMPQ A LFVVDPRK ...String:
MAVISMKQLL EAGVHFGHQT RRWNPKMKKY IFTERNGIYI IDLQKTVKKV DEAYNFLKQV SEDGGQVLFV GTKKQAQESV KSEAERAGQ FYINQRWLGG LLTNYKTISK RIKRISEIEK MEEDGLFEVL PKKEVVELKK EYDRLIKFLG GIRDMKSMPQ A LFVVDPRK ERNAIAEARK LNIPIVGIVD TNCDPDEIDY VIPANDDAIR AVKLLTAKMA DAILEGQQGV SNEEVAAEQN ID LDEKEKS EETEATEE

UniProtKB: Small ribosomal subunit protein uS2

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Macromolecule #4: 30S ribosomal protein S4

MacromoleculeName: 30S ribosomal protein S4 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 23.051416 KDa
SequenceString: MARFRGSNWK KSRRLGISLS GTGKELEKRP YAPGQHGPNQ RKKLSEYGLQ LREKQKLRYL YGMTERQFRN TFDIAGKKFG VHGENFMIL LASRLDAVVY SLGLARTRRQ ARQLVNHGHI LVDGKRVDIP SYSVKPGQTI SVREKSQKLN IIVESVEINN F VPEYLNFD ...String:
MARFRGSNWK KSRRLGISLS GTGKELEKRP YAPGQHGPNQ RKKLSEYGLQ LREKQKLRYL YGMTERQFRN TFDIAGKKFG VHGENFMIL LASRLDAVVY SLGLARTRRQ ARQLVNHGHI LVDGKRVDIP SYSVKPGQTI SVREKSQKLN IIVESVEINN F VPEYLNFD ADSLTGTFVR LPERSELPAE INEQLIVEYY SR

UniProtKB: Small ribosomal subunit protein uS4

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Macromolecule #5: 30S ribosomal protein S5

MacromoleculeName: 30S ribosomal protein S5 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 17.770512 KDa
SequenceString:
MARREEETKE FEERVVTINR VAKVVKGGRR FRFTALVVVG DKNGRVGFGT GKAQEVPEAI KKAVEAAKKD LVVVPRVEGT TPHTITGRY GSGSVFMKPA APGTGVIAGG PVRAVLELAG ITDILSKSLG SNTPINMVRA TIDGLQNLKN AEDVAKLRGK T VEELYN

UniProtKB: Small ribosomal subunit protein uS5

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Macromolecule #6: 30S ribosomal protein S6

MacromoleculeName: 30S ribosomal protein S6 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 11.613146 KDa
SequenceString:
MRTYEVMYIV RPNIEEDAKK ALVERFNGIL ATEGAEVLEA KDWGKRRLAY EINDFKDGFY NIVRVKSDNN KATDEFQRLA KISDDIIRY MVIREDEDK

UniProtKB: Small ribosomal subunit protein bS6

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Macromolecule #7: 30S ribosomal protein S8

MacromoleculeName: 30S ribosomal protein S8 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 14.854315 KDa
SequenceString:
MTMTDPIADM LTRVRNANMV RHEKLELPAS NIKKEIAEIL KSEGFIKNVE YVEDDKQGVL RLFLKYGQND ERVITGLKRI SKPGLRVYA KASEMPKVLN GLGIALVSTS EGVITDKEAR KRNVGGEIIA YVW

UniProtKB: Small ribosomal subunit protein uS8

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Macromolecule #8: 30S ribosomal protein S11

MacromoleculeName: 30S ribosomal protein S11 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 13.907978 KDa
SequenceString:
MARKQVSRKR RVKKNIENGV AHIRSTFNNT IVTITDEFGN ALSWSSAGAL GFKGSKKSTP FAAQMASETA SKSAMEHGLK TVEVTVKGP GPGRESAIRA LQSAGLEVTA IRDVTPVPHN GCRPPKRRRV

UniProtKB: Small ribosomal subunit protein uS11

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Macromolecule #9: 30S ribosomal protein S12

MacromoleculeName: 30S ribosomal protein S12 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 15.32087 KDa
SequenceString:
MPTINQLVRK PRQSKIKKSD SPALNKGFNS KKKKFTDLNS PQKRGVCTRV GTMTPKKPNS ALRKYARVRL SNNIEINAYI PGIGHNLQE HSVVLVRGGR VKDLPGVRYH IVRGALDTSG VDGRRQGRSL YGTKKPKN

UniProtKB: Small ribosomal subunit protein uS12

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Macromolecule #10: 30S ribosomal protein S15

MacromoleculeName: 30S ribosomal protein S15 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 10.63433 KDa
SequenceString:
MAISQERKNE IIKEYRVHET DTGSPEVQIA VLTAEINAVN EHLRTHKKDH HSRRGLLKMV GRRRHLLNYL RSKDIQRYRE LIKSLGIRR

UniProtKB: Small ribosomal subunit protein uS15

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Macromolecule #11: 30S ribosomal protein S16

MacromoleculeName: 30S ribosomal protein S16 / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 10.253886 KDa
SequenceString:
MAVKIRLTRL GSKRNPFYRI VVADARSPRD GRIIEQIGTY NPTSANAPEI KVDEALALKW LNDGAKPTDT VHNILSKEGI MKKFDEQKK AK

UniProtKB: Small ribosomal subunit protein bS16

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Macromolecule #12: 30S ribosomal protein S17

MacromoleculeName: 30S ribosomal protein S17 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 10.196888 KDa
SequenceString:
MSERNDRKVY VGKVVSDKMD KTITVLVETY KTHKLYGKRV KYSKKYKTHD ENNSAKLGDI VKIQETRPLS ATKRFRLVEI VEESVII

UniProtKB: Small ribosomal subunit protein uS17

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Macromolecule #13: 30S ribosomal protein S18

MacromoleculeName: 30S ribosomal protein S18 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 9.332018 KDa
SequenceString:
MAGGPRRGGR RRKKVCYFTA NGITHIDYKD TELLKRFISE RGKILPRRVT GTSAKYQRML TTAIKRSRHM ALLPYVKEEQ

UniProtKB: Small ribosomal subunit protein bS18

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Macromolecule #14: 30S ribosomal protein S20

MacromoleculeName: 30S ribosomal protein S20 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Staphylococcus aureus (strain NCTC 8325) (bacteria)
Strain: NCTC 8325
Molecular weightTheoretical: 9.039472 KDa
SequenceString:
MANIKSAIKR VKTTEKAEAR NISQKSAMRT AVKNAKTAVS NNADNKNELV SLAVKLVDKA AQSNLIHSNK ADRIKSQLMT ANK

UniProtKB: Small ribosomal subunit protein bS20

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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

BufferpH: 7.5
VitrificationCryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: FEI FALCON III (4k x 4k) / Average electron dose: 3.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

5li0

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 529602
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: PROJECTION MATCHING

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