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- EMDB-51969: Complex 4 (HEAD) 30S-GE81112 (weak residual tRNA) -

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Basic information

Entry
Database: EMDB / ID: EMD-51969
TitleComplex 4 (HEAD) 30S-GE81112 (weak residual tRNA)
Map dataComplex 4 (HEAD) 30S-GE81112 (weak residual tRNA) full map
Sample
  • Complex: Complex 4 (HEAD) 30S-GE81112
    • RNA: x 1 types
    • Protein or peptide: x 8 types
  • Ligand: x 2 types
KeywordsAntibiotic / initiation factor / GE81112 / 30S / RIBOSOME
Function / homology
Function and homology information


transcription antitermination factor activity, RNA binding / transcription elongation factor complex / regulation of DNA-templated transcription elongation / transcription antitermination / ribosome biogenesis / ribosomal small subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit / cytoplasmic translation / tRNA binding ...transcription antitermination factor activity, RNA binding / transcription elongation factor complex / regulation of DNA-templated transcription elongation / transcription antitermination / ribosome biogenesis / ribosomal small subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / structural constituent of ribosome / ribosome / translation / mRNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Ribosomal protein S14, bacterial/plastid / Ribosomal protein S19, bacterial-type / Ribosomal protein S3, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal protein S9, bacterial/plastid / K Homology domain / K homology RNA-binding domain / Ribosomal protein S2 signature 2. ...Ribosomal protein S14, bacterial/plastid / Ribosomal protein S19, bacterial-type / Ribosomal protein S3, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal protein S9, bacterial/plastid / K Homology domain / K homology RNA-binding domain / Ribosomal protein S2 signature 2. / Ribosomal protein S3, conserved site / Ribosomal protein S3 signature. / Ribosomal protein S10, conserved site / Ribosomal protein S10 signature. / Ribosomal protein S14, conserved site / Ribosomal protein S14 signature. / Ribosomal protein S2 signature 1. / KH domain / Type-2 KH domain profile. / K Homology domain, type 2 / Ribosomal protein S3, C-terminal / Ribosomal protein S3, C-terminal domain / Ribosomal protein S3, C-terminal domain superfamily / Ribosomal protein S15/S19, conserved site / Ribosomal protein S19 signature. / Ribosomal protein S10 / Ribosomal protein S19/S15 / Ribosomal protein S19/S15, superfamily / Ribosomal protein S19 / Ribosomal protein S2, conserved site / Ribosomal protein S7, conserved site / Ribosomal protein S7 signature. / Ribosomal protein S2 / Ribosomal protein S2, flavodoxin-like domain superfamily / Ribosomal protein S2 / K homology domain superfamily, prokaryotic type / Ribosomal protein S13, conserved site / Ribosomal protein S13 signature. / Ribosomal protein S13 / 30s ribosomal protein S13, C-terminal / Ribosomal protein S13/S18 / Ribosomal protein S13 family profile. / Ribosomal protein S14 / Ribosomal protein S14p/S29e / K homology domain-like, alpha/beta / Ribosomal protein S13-like, H2TH / Ribosomal protein S9, conserved site / Ribosomal protein S9 signature. / Ribosomal protein S10p/S20e / Ribosomal protein S10 domain / Ribosomal protein S10 domain superfamily / Ribosomal protein S10p/S20e / Ribosomal protein S5/S7 / Ribosomal protein S7 domain / Ribosomal protein S7 domain superfamily / Ribosomal protein S7p/S5e / Ribosomal protein S9 / Ribosomal protein S9/S16 / Ribosomal protein S5 domain 2-type fold, subgroup / Ribosomal protein S5 domain 2-type fold
Similarity search - Domain/homology
Small ribosomal subunit protein uS7 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein uS14
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsSchedlbauer A / Han X / van Bakel W / Kaminishi T / Ochoa-Lizarralde B / Iturrioz I / Capuni R / Parry R / Zegarra R / Gil-Carton D ...Schedlbauer A / Han X / van Bakel W / Kaminishi T / Ochoa-Lizarralde B / Iturrioz I / Capuni R / Parry R / Zegarra R / Gil-Carton D / Lopez-Alonso JP / Barragan Sanz K / Brandi L / Gualerzi CO / Fucini P / Connell SR
Funding support Spain, 1 items
OrganizationGrant numberCountry
Ministerio de Ciencia e Innovacion (MCIN)PID2021-122705OB-I00 Spain
CitationJournal: bioRxiv / Year: 2024
Title: A binding site for the antibiotic GE81112 in the ribosomal mRNA channel.
Authors: Andreas Schedlbauer / Xu Han / Wouter van Bakel / Tatsuya Kaminishi / Borja Ochoa-Lizarralde / Idoia Iturrioz / Retina Çapuni / Ransford Parry / Ronny Zegarra / David Gil-Carton / Jorge P ...Authors: Andreas Schedlbauer / Xu Han / Wouter van Bakel / Tatsuya Kaminishi / Borja Ochoa-Lizarralde / Idoia Iturrioz / Retina Çapuni / Ransford Parry / Ronny Zegarra / David Gil-Carton / Jorge P López-Alonso / Kristina Barragan Sanz / Letizia Brandi / Claudio O Gualerzi / Paola Fucini / Sean R Connell /
Abstract: The initiation phase is the rate-limiting step of protein synthesis (translation) and is finely regulated, making it an important drug target. In bacteria, initiation is guided by three initiation ...The initiation phase is the rate-limiting step of protein synthesis (translation) and is finely regulated, making it an important drug target. In bacteria, initiation is guided by three initiation factors and involves positioning the start site on the messenger RNA within the P-site on the small ribosomal subunit (30S), where it is decoded by the initiator tRNA. This process can be efficiently inhibited by GE81112, a natural hydrophilic, noncyclic, nonribosomal tetrapeptide. It is found in nature in three structural variants (A, B and B1 with molecular masses of 643-658 Da). Previous biochemical and structural characterisation of GE81112 indicates that the primary mechanism of action of this antibiotic is to (1) prevent the initiator tRNA from binding correctly to the P-site and (2) block conformational rearrangements in initiation factor IF3, resulting in an 30S pre/C state. In this study, using cryoEM, we have determined the binding site of GE81112 in initiation complexes (3.2-3.7Å) and on empty ribosomes (2.09 Å). This binding site is within the mRNA channel (E-site) but remote from the binding site of the initiation factors and initiator tRNA. This suggests that it acts allosterically to prevent the initiator tRNA from being locked into place. The binding mode is consistent with previous biochemical studies and recent work identifying the key pharmacophores of GE81112.
History
DepositionOct 31, 2024-
Header (metadata) releaseAug 6, 2025-
Map releaseAug 6, 2025-
UpdateAug 6, 2025-
Current statusAug 6, 2025Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

Downloads & links

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Map

FileDownload / File: emd_51969.map.gz / Format: CCP4 / Size: 216 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationComplex 4 (HEAD) 30S-GE81112 (weak residual tRNA) full map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.11 Å/pix.
x 384 pix.
= 427.392 Å
1.11 Å/pix.
x 384 pix.
= 427.392 Å
1.11 Å/pix.
x 384 pix.
= 427.392 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.113 Å
Density
Contour LevelBy AUTHOR: 0.013
Minimum - Maximum-0.029259682 - 0.14101739
Average (Standard dev.)-0.0007730423 (±0.0031734407)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions384384384
Spacing384384384
CellA=B=C: 427.39203 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_51969_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Additional map: Complex 4 30S-GE81112 (weak residual tRNA) consensus map...

Fileemd_51969_additional_1.map
AnnotationComplex 4 30S-GE81112 (weak residual tRNA) consensus map before multibody
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Additional map: Complex 4 (HEAD) 30S-GE81112 (weak residual tRNA) sharpened map

Fileemd_51969_additional_2.map
AnnotationComplex 4 (HEAD) 30S-GE81112 (weak residual tRNA) sharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Half map: Complex 4 (HEAD) 30S-GE81112 (weak residual tRNA) half map

Fileemd_51969_half_map_1.map
AnnotationComplex 4 (HEAD) 30S-GE81112 (weak residual tRNA) half map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Half map: Complex 4 (HEAD) 30S-GE81112 (weak residual tRNA) half map

Fileemd_51969_half_map_2.map
AnnotationComplex 4 (HEAD) 30S-GE81112 (weak residual tRNA) half map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Sample components

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Entire : Complex 4 (HEAD) 30S-GE81112

EntireName: Complex 4 (HEAD) 30S-GE81112
Components
  • Complex: Complex 4 (HEAD) 30S-GE81112
    • RNA: 16S RNA (1542-MER)
    • Protein or peptide: Small ribosomal subunit protein uS2
    • Protein or peptide: Small ribosomal subunit protein uS3
    • Protein or peptide: Small ribosomal subunit protein uS7
    • Protein or peptide: Small ribosomal subunit protein uS9
    • Protein or peptide: Small ribosomal subunit protein uS10
    • Protein or peptide: Small ribosomal subunit protein uS13
    • Protein or peptide: Small ribosomal subunit protein uS14
    • Protein or peptide: Small ribosomal subunit protein uS19
  • Ligand: MAGNESIUM ION
  • Ligand: ZINC ION

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Supramolecule #1: Complex 4 (HEAD) 30S-GE81112

SupramoleculeName: Complex 4 (HEAD) 30S-GE81112 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#9
Source (natural)Organism: Escherichia coli (E. coli)

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Macromolecule #1: 16S RNA (1542-MER)

MacromoleculeName: 16S RNA (1542-MER) / type: rna / ID: 1 / Number of copies: 1
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 499.873406 KDa
SequenceString: AAAUUGAAGA GUUUGAUCAU GGCUCAGAUU GAACGCUGGC GGCAGGCCUA ACACAUGCAA GUCGAACGGU AACAGGAAGA AGCUUGCUU CUUUGCUGAC GAGUGGCGGA CGGGUGAGUA AUGUCUGGGA AACUGCCUGA UGGAGGGGGA UAACUACUGG A AACGGUAG ...String:
AAAUUGAAGA GUUUGAUCAU GGCUCAGAUU GAACGCUGGC GGCAGGCCUA ACACAUGCAA GUCGAACGGU AACAGGAAGA AGCUUGCUU CUUUGCUGAC GAGUGGCGGA CGGGUGAGUA AUGUCUGGGA AACUGCCUGA UGGAGGGGGA UAACUACUGG A AACGGUAG CUAAUACCGC AUAACGUCGC AAGACCAAAG AGGGGGACCU UCGGGCCUCU UGCCAUCGGA UGUGCCCAGA UG GGAUUAG CUAGUAGGUG GGGUAACGGC UCACCUAGGC GACGAUCCCU AGCUGGUCUG AGAGGAUGAC CAGCCACACU GGA ACUGAG ACACGGUCCA GACUCCUACG GGAGGCAGCA GUGGGGAAUA UUGCACAAUG GGCGCAAGCC UGAUGCAGCC AUGC CGCGU GUAUGAAGAA GGCCUUCGGG UUGUAAAGUA CUUUCAGCGG GGAGGAAGGG AGUAAAGUUA AUACCUUUGC UCAUU GACG UUACCCGCAG AAGAAGCACC GGCUAACUCC G(PSU)GCCAGCAG CC(G7M)CGGUAAU ACGGAGGGUG CAAGCGUU A AUCGGAAUUA CUGGGCGUAA AGCGCACGCA GGCGGUUUGU UAAGUCAGAU GUGAAAUCCC CGGGCUCAAC CUGGGAACU GCAUCUGAUA CUGGCAAGCU UGAGUCUCGU AGAGGGGGGU AGAAUUCCAG GUGUAGCGGU GAAAUGCGUA GAGAUCUGGA GGAAUACCG GUGGCGAAGG CGGCCCCCUG GACGAAGACU GACGCUCAGG UGCGAAAGCG UGGGGAGCAA ACAGGAUUAG A UACCCUGG UAGUCCACGC CGUAAACGAU GUCGACUUGG AGGUUGUGCC CUUGAGGCGU GGCUUCCGGA GCUAACGCGU UA AGUCGAC CGCCUGGGGA GUACGGCCGC AAGGUUAAAA CUCAAAUGAA UUGACGGGGG CCCGCACAAG CGGUGGAGCA UGU GGUUUA AUUCGAU(2MG)(5MC)A ACGCGAAGAA CCUUACCUGG UCUUGACAUC CACGGAAGUU UUCAGAGAUG AGAAUG UGC CUUCGGGAAC CGUGAGACAG GUGCUGCAUG GCUGUCGUCA GCUCGUGUUG UGAAAUGUUG GGUUAAGUCC CGCAACG AG CGCAACCCUU AUCCUUUGUU GCCAGCGGUC CGGCCGGGAA CUCAAAGGAG ACUGCCAGUG AUAAACUGGA GGAAGGUG G GGAUGACGUC AAGUCAUCAU G(2MG)CCCUUACG ACCAGGGCUA CACACGUGCU ACAAUGGCGC AUACAAAGAG AAGCG ACCU CGCGAGAGCA AGCGGACCUC AUAAAGUGCG UCGUAGUCCG GAUUGGAGUC UGCAACUCGA CUCCAUGAAG UCGGAA UCG CUAGUAAUCG UGGAUCAGAA UGCCACGGUG AAUACGUUCC CGGGCCUUGU ACACACCG(4OC)C CGU(5MC)ACACC AUGGGAGUGG GUUGCAAAAG AAGUAGGUAG CUUAACCUUC GGGAGGGCGC UUACCACUUU GUGAUUCAUG ACUGGGGUGA AGUCG(UR3)AAC AAGGUAACCG UAGG(2MG)G(MA6)(MA6)CC UGCGGUUGGA UCACCUCCUU A

GENBANK: GENBANK: LS483303.1

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Macromolecule #2: Small ribosomal subunit protein uS2

MacromoleculeName: Small ribosomal subunit protein uS2 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 26.78167 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MATVSMRDML KAGVHFGHQT RYWNPKMKPF IFGARNKVHI INLEKTVPMF NEALAELNKI ASRKGKILFV GTKRAASEAV KDAALSCDQ FFVNHRWLGG MLTNWKTVRQ SIKRLKDLET QSQDGTFDKL TKKEALMRTR ELEKLENSLG GIKDMGGLPD A LFVIDADH ...String:
MATVSMRDML KAGVHFGHQT RYWNPKMKPF IFGARNKVHI INLEKTVPMF NEALAELNKI ASRKGKILFV GTKRAASEAV KDAALSCDQ FFVNHRWLGG MLTNWKTVRQ SIKRLKDLET QSQDGTFDKL TKKEALMRTR ELEKLENSLG GIKDMGGLPD A LFVIDADH EHIAIKEANN LGIPVFAIVD TNSDPDGVDF VIPGNDDAIR AVTLYLGAVA ATVREGRSQD LASQAEESFV EA E

UniProtKB: Small ribosomal subunit protein uS2

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Macromolecule #3: Small ribosomal subunit protein uS3

MacromoleculeName: Small ribosomal subunit protein uS3 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 26.031316 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MGQKVHPNGI RLGIVKPWNS TWFANTKEFA DNLDSDFKVR QYLTKELAKA SVSRIVIERP AKSIRVTIHT ARPGIVIGKK GEDVEKLRK VVADIAGVPA QINIAEVRKP ELDAKLVADS ITSQLERRVM FRRAMKRAVQ NAMRLGAKGI KVEVSGRLGG A EIARTEWY ...String:
MGQKVHPNGI RLGIVKPWNS TWFANTKEFA DNLDSDFKVR QYLTKELAKA SVSRIVIERP AKSIRVTIHT ARPGIVIGKK GEDVEKLRK VVADIAGVPA QINIAEVRKP ELDAKLVADS ITSQLERRVM FRRAMKRAVQ NAMRLGAKGI KVEVSGRLGG A EIARTEWY REGRVPLHTL RADIDYNTSE AHTTYGVIGV KVWIFKGEIL GGMAAVEQPE KPAAQPKKQQ RKGRK

UniProtKB: Small ribosomal subunit protein uS3

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Macromolecule #4: Small ribosomal subunit protein uS7

MacromoleculeName: Small ribosomal subunit protein uS7 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 20.055156 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MPRRRVIGQR KILPDPKFGS ELLAKFVNIL MVDGKKSTAE SIVYSALETL AQRSGKSELE AFEVALENVR PTVEVKSRRV GGSTYQVPV EVRPVRRNAL AMRWIVEAAR KRGDKSMALR LANELSDAAE NKGTAVKKRE DVHRMAEANK AFAHYRWLSL R SFSHQAGA SSKQPALGYL N

UniProtKB: Small ribosomal subunit protein uS7

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Macromolecule #5: Small ribosomal subunit protein uS9

MacromoleculeName: Small ribosomal subunit protein uS9 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 14.88627 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MAENQYYGTG RRKSSAARVF IKPGNGKIVI NQRSLEQYFG RETARMVVRQ PLELVDMVEK LDLYITVKGG GISGQAGAIR HGITRALME YDESLRSELR KAGFVTRDAR QVERKKVGLR KARRRPQFSK R

UniProtKB: Small ribosomal subunit protein uS9

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Macromolecule #6: Small ribosomal subunit protein uS10

MacromoleculeName: Small ribosomal subunit protein uS10 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 11.755597 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MQNQRIRIRL KAFDHRLIDQ ATAEIVETAK RTGAQVRGPI PLPTRKERFT VLISPHVNKD ARDQYEIRTH LRLVDIVEPT EKTVDALMR LDLAAGVDVQ ISLG

UniProtKB: Small ribosomal subunit protein uS10

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Macromolecule #7: Small ribosomal subunit protein uS13

MacromoleculeName: Small ribosomal subunit protein uS13 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 13.128467 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MARIAGINIP DHKHAVIALT SIYGVGKTRS KAILAAAGIA EDVKISELSE GQIDTLRDEV AKFVVEGDLR REISMSIKRL MDLGCYRGL RHRRGLPVRG QRTKTNARTR KGPRKPIKK

UniProtKB: Small ribosomal subunit protein uS13

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Macromolecule #8: Small ribosomal subunit protein uS14

MacromoleculeName: Small ribosomal subunit protein uS14 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 11.60656 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MAKQSMKARE VKRVALADKY FAKRAELKAI ISDVNASDED RWNAVLKLQT LPRDSSPSRQ RNRCRQTGRP HGFLRKFGLS RIKVREAAM RGEIPGLKKA SW

UniProtKB: Small ribosomal subunit protein uS14

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Macromolecule #9: Small ribosomal subunit protein uS19

MacromoleculeName: Small ribosomal subunit protein uS19 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 10.455355 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MPRSLKKGPF IDLHLLKKVE KAVESGDKKP LRTWSRRSTI FPNMIGLTIA VHNGRQHVPV FVTDEMVGHK LGEFAPTRTY RGHAADKKA KKK

UniProtKB: Small ribosomal subunit protein uS19

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Macromolecule #10: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 10 / Number of copies: 42 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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Macromolecule #11: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 11 / Number of copies: 1 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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: 7.7
GridModel: Quantifoil R2/2 / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: FEI FALCON III (4k x 4k) / Average electron dose: 44.08 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.25 µm / Nominal defocus min: 0.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionSoftware: (Name: CTFFIND, RELION) / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 108310
Initial angle assignmentType: RANDOM ASSIGNMENT / Software - Name: RELION
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION
Final 3D classificationSoftware - Name: RELION
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

Chain - Source name: PDB / Chain - Initial model type: experimental model
Output model

PDB-9h9m:
Complex 4 (HEAD) 30S-GE81112 (weak residual tRNA)

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