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- EMDB-4531: Cryo-EM structure of the 50S ribosomal subunit at 2.83 Angstroms ... -

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Basic information

Entry
Database: EMDB / ID: EMD-4531
TitleCryo-EM structure of the 50S ribosomal subunit at 2.83 Angstroms with modeled GBC SecM peptide
Map datapostprocessed map
Sample
  • Complex: 50S ribosomal + GBC SecM peptide complex
    • Complex: GBC SecM peptide
      • Protein or peptide: x 1 types
    • Complex: 50 ribosomal subunit
      • Protein or peptide: x 28 types
      • RNA: x 3 types
Function / homology
Function and homology information


structural constituent of eye lens / lens development in camera-type eye / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / DnaA-L2 complex / translation repressor activity / negative regulation of DNA-templated DNA replication initiation ...structural constituent of eye lens / lens development in camera-type eye / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / DnaA-L2 complex / translation repressor activity / negative regulation of DNA-templated DNA replication initiation / visual perception / mRNA regulatory element binding translation repressor activity / ribosome assembly / assembly of large subunit precursor of preribosome / cytosolic ribosome assembly / response to reactive oxygen species / regulation of cell growth / DNA-templated transcription termination / response to radiation / mRNA 5'-UTR binding / large ribosomal subunit / ribosome binding / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity / ribosomal large subunit assembly / cytoplasmic translation / cytosolic large ribosomal subunit / tRNA binding / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / response to antibiotic / negative regulation of DNA-templated transcription / mRNA binding / DNA binding / RNA binding / zinc ion binding / cytosol / cytoplasm
Similarity search - Function
: / Beta/Gamma crystallin / Crystallins beta and gamma 'Greek key' motif profile. / Beta/gamma crystallins / Beta/gamma crystallin / Gamma-crystallin-like / Ribosomal protein L25, short-form / : / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. ...: / Beta/Gamma crystallin / Crystallins beta and gamma 'Greek key' motif profile. / Beta/gamma crystallins / Beta/gamma crystallin / Gamma-crystallin-like / Ribosomal protein L25, short-form / : / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L16 signature 1. / : / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Ribosomal protein L16, conserved site / Ribosomal protein L16 signature 2. / Ribosomal protein L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L17 signature. / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L36 signature. / Ribosomal protein L28/L24 superfamily / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / Ribosomal protein L32p, bacterial type / Ribosomal protein L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / : / : / Ribosomal protein L28 / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L5, bacterial-type / Ribosomal protein L18, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L20 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein L14P, bacterial-type / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal protein L34, conserved site / Ribosomal L28 family / Ribosomal protein L34 signature. / Ribosomal protein L33 / Ribosomal protein L33 / Ribosomal protein L28/L24 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein L33 superfamily / Ribosomal protein L30, bacterial-type / Ribosomal protein L16 / : / L28p-like / Ribosomal protein L20 / Ribosomal protein L20 / Ribosomal protein L20, C-terminal / Ribosomal protein L21 / Ribosomal protein L27 / Ribosomal L27 protein / Ribosomal protein L19 / Ribosomal protein L19 / Ribosomal protein L19 superfamily / Ribosomal proteins 50S L24/mitochondrial 39S L24 / Ribosomal protein L17 / Ribosomal protein L17 superfamily / Ribosomal protein L17 / Ribosomal protein L21-like / L21-like superfamily / Ribosomal prokaryotic L21 protein / Ribosomal L32p protein family / Ribosomal protein L32p / Ribosomal protein L24 / Ribosomal protein L13, bacterial-type / Ribosomal protein L3, bacterial/organelle-type / Ribosomal protein L15, bacterial-type / 50S ribosomal protein uL4 / Ribosomal protein L34 / Ribosomal protein L34 / Ribosomal protein L23/L25, conserved site / Ribosomal protein L23 signature. / Ribosomal protein L30, conserved site
Similarity search - Domain/homology
Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL5 ...Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein bL36 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein bL25 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL9 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein uL15 / Gamma-crystallin B / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL36A / Large ribosomal subunit protein bL9 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein bL25
Similarity search - Component
Biological speciesBos taurus (cattle) / Escherichia coli BL21(DE3) (bacteria) / Escherichia coli (strain B / BL21-DE3) (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.83 Å
AuthorsSchulte L / Reitz J / Hodirnau VV / Kudlinzki D / Mao J / Glaubitz C / Frangakis A / Schwalbe H
CitationJournal: Nat Commun / Year: 2020
Title: Cysteine oxidation and disulfide formation in the ribosomal exit tunnel.
Authors: Linda Schulte / Jiafei Mao / Julian Reitz / Sridhar Sreeramulu / Denis Kudlinzki / Victor-Valentin Hodirnau / Jakob Meier-Credo / Krishna Saxena / Florian Buhr / Julian D Langer / Martin ...Authors: Linda Schulte / Jiafei Mao / Julian Reitz / Sridhar Sreeramulu / Denis Kudlinzki / Victor-Valentin Hodirnau / Jakob Meier-Credo / Krishna Saxena / Florian Buhr / Julian D Langer / Martin Blackledge / Achilleas S Frangakis / Clemens Glaubitz / Harald Schwalbe /
Abstract: Understanding the conformational sampling of translation-arrested ribosome nascent chain complexes is key to understand co-translational folding. Up to now, coupling of cysteine oxidation, disulfide ...Understanding the conformational sampling of translation-arrested ribosome nascent chain complexes is key to understand co-translational folding. Up to now, coupling of cysteine oxidation, disulfide bond formation and structure formation in nascent chains has remained elusive. Here, we investigate the eye-lens protein γB-crystallin in the ribosomal exit tunnel. Using mass spectrometry, theoretical simulations, dynamic nuclear polarization-enhanced solid-state nuclear magnetic resonance and cryo-electron microscopy, we show that thiol groups of cysteine residues undergo S-glutathionylation and S-nitrosylation and form non-native disulfide bonds. Thus, covalent modification chemistry occurs already prior to nascent chain release as the ribosome exit tunnel provides sufficient space even for disulfide bond formation which can guide protein folding.
History
DepositionJan 3, 2019-
Header (metadata) releaseJan 15, 2020-
Map releaseJan 15, 2020-
UpdateDec 2, 2020-
Current statusDec 2, 2020Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.02
  • Imaged by UCSF Chimera
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  • Surface view colored by height
  • Surface level: 0.02
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6qdw
  • Surface level: 0.02
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_4531.png

Downloads & links

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Map

FileDownload / File: emd_4531.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationpostprocessed map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.05 Å/pix.
x 480 pix.
= 504. Å		1.05 Å/pix.
x 480 pix.
= 504. Å		1.05 Å/pix.
x 480 pix.
= 504. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.05 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.002 / Movie #1: 0.02
Minimum - Maximum-0.12147854 - 0.25678262
Average (Standard dev.)-0.00002725496 (±0.0061593372)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 503.99997 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.051.051.05
M x/y/z480480480
origin x/y/z0.0000.0000.000
length x/y/z504.000504.000504.000
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS480480480
D min/max/mean-0.1210.257-0.000

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Supplemental data

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Additional map: masked postprocessed map

Fileemd_4531_additional.map
Annotationmasked postprocessed map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: EM Half map 2

Fileemd_4531_half_map_1.map
AnnotationEM Half map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: EM Half map 1

Fileemd_4531_half_map_2.map
AnnotationEM Half map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : 50S ribosomal + GBC SecM peptide complex

EntireName: 50S ribosomal + GBC SecM peptide complex
Components
  • Complex: 50S ribosomal + GBC SecM peptide complex
    • Complex: GBC SecM peptide
      • Protein or peptide: Gamma-crystallin B
    • Complex: 50 ribosomal subunit
      • Protein or peptide: 50S ribosomal protein L28
      • Protein or peptide: 50S ribosomal protein L29
      • Protein or peptide: 50S ribosomal protein L30
      • Protein or peptide: 50S ribosomal protein L32
      • Protein or peptide: 50S ribosomal protein L33
      • Protein or peptide: 50S ribosomal protein L34
      • Protein or peptide: 50S ribosomal protein L35
      • Protein or peptide: 50S ribosomal protein L36
      • RNA: 5S rRNA
      • RNA: 23S rRNA
      • Protein or peptide: 50S ribosomal protein L2
      • Protein or peptide: 50S ribosomal protein L3
      • Protein or peptide: 50S ribosomal protein L4
      • Protein or peptide: 50S ribosomal protein L5
      • Protein or peptide: 50S ribosomal protein L6
      • Protein or peptide: 50S ribosomal protein L9
      • Protein or peptide: 50S ribosomal protein L13
      • Protein or peptide: 50S ribosomal protein L14
      • Protein or peptide: 50S ribosomal protein L15
      • Protein or peptide: 50S ribosomal protein L16
      • Protein or peptide: 50S ribosomal protein L17
      • Protein or peptide: 50S ribosomal protein L18
      • Protein or peptide: 50S ribosomal protein L19
      • Protein or peptide: 50S ribosomal protein L20
      • Protein or peptide: 50S ribosomal protein L21
      • Protein or peptide: 50S ribosomal protein L22
      • Protein or peptide: 50S ribosomal protein L23
      • Protein or peptide: 50S ribosomal protein L24
      • RNA: glycine-tRNA glyT
      • Protein or peptide: 50S ribosomal protein L25
      • Protein or peptide: 50S ribosomal protein L27

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Supramolecule #1: 50S ribosomal + GBC SecM peptide complex

SupramoleculeName: 50S ribosomal + GBC SecM peptide complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#32

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Supramolecule #2: GBC SecM peptide

SupramoleculeName: GBC SecM peptide / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #32
Source (natural)Organism: Bos taurus (cattle)
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)

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Supramolecule #3: 50 ribosomal subunit

SupramoleculeName: 50 ribosomal subunit / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #1-#31
Source (natural)Organism: Escherichia coli BL21(DE3) (bacteria)

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Macromolecule #1: 50S ribosomal protein L28

MacromoleculeName: 50S ribosomal protein L28 / type: protein_or_peptide / ID: 1
Details: SRVCQVTGK RPVTGNNRSH ALNATKRRFL PNLHSHRFWV ESEKRFVTLRVSAKGMRVID KKGIDTVLAE LRARGEKY
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 9.027551 KDa
SequenceString:
MSRVCQVTGK RPVTGNNRSH ALNATKRRFL PNLHSHRFWV ESEKRFVTLR VSAKGMRVID KKGIDTVLAE LRARGEKY

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Macromolecule #2: 50S ribosomal protein L29

MacromoleculeName: 50S ribosomal protein L29 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 7.286464 KDa
SequenceString:
MKAKELREKS VEELNTELLN LLREQFNLRM QAASGQLQQS HLLKQVRRDV ARVKTLLNEK AGA

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Macromolecule #3: 50S ribosomal protein L30

MacromoleculeName: 50S ribosomal protein L30 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 6.55482 KDa
SequenceString:
MAKTIKITQT RSAIGRLPKH KATLLGLGLR RIGHTVERED TPAIRGMINA VSFMVKVEE

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Macromolecule #4: 50S ribosomal protein L32

MacromoleculeName: 50S ribosomal protein L32 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 6.463445 KDa
SequenceString:
MAVQQNKPTR SKRGMRRSHD ALTAVTSLSV DKTSGEKHLR HHITADGYYR GRKVIAK

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Macromolecule #5: 50S ribosomal protein L33

MacromoleculeName: 50S ribosomal protein L33 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 6.388631 KDa
SequenceString:
MAKGIREKIK LVSSAGTGHF YTTTKNKRTK PEKLELKKFD PVVRQHVIYK EAKIK

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Macromolecule #6: 50S ribosomal protein L34

MacromoleculeName: 50S ribosomal protein L34 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 5.397463 KDa
SequenceString:
MKRTFQPSVL KRNRSHGFRA RMATKNGRQV LARRRAKGRA RLTVSK

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Macromolecule #7: 50S ribosomal protein L35

MacromoleculeName: 50S ribosomal protein L35 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 7.313032 KDa
SequenceString:
MPKIKTVRGA AKRFKKTGKG GFKHKHANLR HILTKKATKR KRHLRPKAMV SKGDLGLVIA CLPYA

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Macromolecule #8: 50S ribosomal protein L36

MacromoleculeName: 50S ribosomal protein L36 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 4.37739 KDa
SequenceString:
MKVRASVKKL CRNCKIVKRD GVIRVICSAE PKHKQRQG

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Macromolecule #11: 50S ribosomal protein L2

MacromoleculeName: 50S ribosomal protein L2 / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 29.923619 KDa
SequenceString: MAVVKCKPTS PGRRHVVKVV NPELHKGKPF APLLEKNSKS GGRNNNGRIT TRHIGGGHKQ AYRIVDFKRN KDGIPAVVER LEYDPNRSA NIALVLYKDG ERRYILAPKG LKAGDQIQSG VDAAIKPGNT LPMRNIPVGS TVHNVEMKPG KGGQLARSAG T YVQIVARD ...String:
MAVVKCKPTS PGRRHVVKVV NPELHKGKPF APLLEKNSKS GGRNNNGRIT TRHIGGGHKQ AYRIVDFKRN KDGIPAVVER LEYDPNRSA NIALVLYKDG ERRYILAPKG LKAGDQIQSG VDAAIKPGNT LPMRNIPVGS TVHNVEMKPG KGGQLARSAG T YVQIVARD GAYVTLRLRS GEMRKVEADC RATLGEVGNA EHMLRVLGKA GAARWRGVRP TVRGTAMNPV DHPHGGGEGR NF GKHPVTP WGVQTKGKKT RSNKRTDKFI VRRRSK

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Macromolecule #12: 50S ribosomal protein L3

MacromoleculeName: 50S ribosomal protein L3 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 22.277535 KDa
SequenceString: MIGLVGKKVG MTRIFTEDGV SIPVTVIEVE ANRVTQVKDL ANDGYRAIQV TTGAKKANRV TKPEAGHFAK AGVEAGRGLW EFRLAEGEE FTVGQSISVE LFADVKKVDV TGTSKGKGFA GTVKRWNFRT QDATHGNSLS HRVPGSIGQN QTPGKVFKGK K MAGQMGNE ...String:
MIGLVGKKVG MTRIFTEDGV SIPVTVIEVE ANRVTQVKDL ANDGYRAIQV TTGAKKANRV TKPEAGHFAK AGVEAGRGLW EFRLAEGEE FTVGQSISVE LFADVKKVDV TGTSKGKGFA GTVKRWNFRT QDATHGNSLS HRVPGSIGQN QTPGKVFKGK K MAGQMGNE RVTVQSLDVV RVDAERNLLL VKGAVPGATG SDLIVKPAVK A

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Macromolecule #13: 50S ribosomal protein L4

MacromoleculeName: 50S ribosomal protein L4 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 22.121566 KDa
SequenceString: MELVLKDAQS ALTVSETTFG RDFNEALVHQ VVVAYAAGAR QGTRAQKTRA EVTGSGKKPW RQKGTGRARS GSIKSPIWRS GGVTFAARP QDHSQKVNKK MYRGALKSIL SELVRQDRLI VVEKFSVEAP KTKLLAQKLK DMALEDVLII TGELDENLFL A ARNLHKVD ...String:
MELVLKDAQS ALTVSETTFG RDFNEALVHQ VVVAYAAGAR QGTRAQKTRA EVTGSGKKPW RQKGTGRARS GSIKSPIWRS GGVTFAARP QDHSQKVNKK MYRGALKSIL SELVRQDRLI VVEKFSVEAP KTKLLAQKLK DMALEDVLII TGELDENLFL A ARNLHKVD VRDATGIDPV SLIAFDKVVM TADAVKQVEE MLA

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Macromolecule #14: 50S ribosomal protein L5

MacromoleculeName: 50S ribosomal protein L5 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 20.333611 KDa
SequenceString:
MAKLHDYYKD EVVKKLMTEF NYNSVMQVPR VEKITLNMGV GEAIADKKLL DNAAADLAAI SGQKPLITKA RKSVAGFKIR QGYPIGCKV TLRGERMWEF FERLITIAVP RIRDFRGLSA KSFDGRGNYS MGVREQIIFP EIDYDKVDRV RGLDITITTT A KSDEEGRA LLAAFDFPFR K

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Macromolecule #15: 50S ribosomal protein L6

MacromoleculeName: 50S ribosomal protein L6 / type: protein_or_peptide / ID: 15 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 18.932791 KDa
SequenceString:
MSRVAKAPVV VPAGVDVKIN GQVITIKGKN GELTRTLNDA VEVKHADNTL TFGPRDGYAD GWAQAGTARA LLNSMVIGVT EGFTKKLQL VGVGYRAAVK GNVINLSLGF SHPVDHQLPA GITAECPTQT EIVLKGADKQ VIGQVAADLR AYRRPEPYKG K GVRYADEV VRTKEAKKK

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Macromolecule #16: 50S ribosomal protein L9

MacromoleculeName: 50S ribosomal protein L9 / type: protein_or_peptide / ID: 16 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 15.78902 KDa
SequenceString:
MQVILLDKVA NLGSLGDQVN VKAGYARNFL VPQGKAVPAT KKNIEFFEAR RAELEAKLAE VLAAANARAE KINALETVTI ASKAGDEGK LFGSIGTRDI ADAVTAAGVE VAKSEVRLPN GVLRTTGEHE VSFQVHSEVF AKVIVNVVAE

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Macromolecule #17: 50S ribosomal protein L13

MacromoleculeName: 50S ribosomal protein L13 / type: protein_or_peptide / ID: 17 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 16.050606 KDa
SequenceString:
MKTFTAKPET VKRDWYVVDA TGKTLGRLAT ELARRLRGKH KAEYTPHVDT GDYIIVLNAD KVAVTGNKRT DKVYYHHTGH IGGIKQATF EEMIARRPER VIEIAVKGML PKGPLGRAMF RKLKVYAGNE HNHAAQQPQV LDI

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Macromolecule #18: 50S ribosomal protein L14

MacromoleculeName: 50S ribosomal protein L14 / type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 13.565067 KDa
SequenceString:
MIQEQTMLNV ADNSGARRVM CIKVLGGSHR RYAGVGDIIK ITIKEAIPRG KVKKGDVLKA VVVRTKKGVR RPDGSVIRFD GNACVLLNN NSEQPIGTRI FGPVTRELRS EKFMKIISLA PEVL

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Macromolecule #19: 50S ribosomal protein L15

MacromoleculeName: 50S ribosomal protein L15 / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 14.994443 KDa
SequenceString:
MRLNTLSPAE GSKKAGKRLG RGIGSGLGKT GGRGHKGQKS RSGGGVRRGF EGGQMPLYRR LPKFGFTSRK AAITAEVRLS DLAKVEGGV VDLNTLKAAN IIGIQIEFAK VILAGEVTTP VTVRGLRVTK GARAAIEAAG GKIEE

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Macromolecule #20: 50S ribosomal protein L16

MacromoleculeName: 50S ribosomal protein L16 / type: protein_or_peptide / ID: 20 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 15.312269 KDa
SequenceString:
MLQPKRTKFR KMHKGRNRGL AQGTDVSFGS FGLKAVGRGR LTARQIEAAR RAMTRAVKRQ GKIWIRVFPD KPITEKPLAV RMGKGKGNV EYWVALIQPG KVLYEMDGVP EELAREAFKL AAAKLPIKTT FVTKTVM

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Macromolecule #21: 50S ribosomal protein L17

MacromoleculeName: 50S ribosomal protein L17 / type: protein_or_peptide / ID: 21 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 14.393657 KDa
SequenceString:
MRHRKSGRQL NRNSSHRQAM FRNMAGSLVR HEIIKTTLPK AKELRRVVEP LITLAKTDSV ANRRLAFART RDNEIVAKLF NELGPRFAS RAGGYTRILK CGFRAGDNAP MAYIELVDRS EKAEAAAE

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Macromolecule #22: 50S ribosomal protein L18

MacromoleculeName: 50S ribosomal protein L18 / type: protein_or_peptide / ID: 22 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 12.794668 KDa
SequenceString:
MDKKSARIRR ATRARRKLQE LGATRLVVHR TPRHIYAQVI APNGSEVLVA ASTVEKAIAE QLKYTGNKDA AAAVGKAVAE RALEKGIKD VSFDRSGFQY HGRVQALADA AREAGLQF

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Macromolecule #23: 50S ribosomal protein L19

MacromoleculeName: 50S ribosomal protein L19 / type: protein_or_peptide / ID: 23 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 13.159278 KDa
SequenceString:
MSNIIKQLEQ EQMKQDVPSF RPGDTVEVKV WVVEGSKKRL QAFEGVVIAI RNRGLHSAFT VRKISNGEGV ERVFQTHSPV VDSISVKRR GAVRKAKLYY LRERTGKAAR IKERLN

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Macromolecule #24: 50S ribosomal protein L20

MacromoleculeName: 50S ribosomal protein L20 / type: protein_or_peptide / ID: 24 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 13.528024 KDa
SequenceString:
MARVKRGVIA RARHKKILKQ AKGYYGARSR VYRVAFQAVI KAGQYAYRDR RQRKRQFRQL WIARINAAAR QNGISYSKFI NGLKKASVE IDRKILADIA VFDKVAFTAL VEKAKAALA

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Macromolecule #25: 50S ribosomal protein L21

MacromoleculeName: 50S ribosomal protein L21 / type: protein_or_peptide / ID: 25 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 11.586374 KDa
SequenceString:
MYAVFQSGGK QHRVSEGQTV RLEKLDIATG ETVEFAEVLM IANGEEVKIG VPFVDGGVIK AEVVAHGRGE KVKIVKFRRR KHYRKQQGH RQWFTDVKIT GISA

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Macromolecule #26: 50S ribosomal protein L22

MacromoleculeName: 50S ribosomal protein L22 / type: protein_or_peptide / ID: 26 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 12.253359 KDa
SequenceString:
METIAKHRHA RSSAQKVRLV ADLIRGKKVS QALDILTYTN KKAAVLVKKV LESAIANAEH NDGADIDDLK VTKIFVDEGP SMKRIMPRA KGRADRILKR TSHITVVVSD R

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Macromolecule #27: 50S ribosomal protein L23

MacromoleculeName: 50S ribosomal protein L23 / type: protein_or_peptide / ID: 27 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 11.22216 KDa
SequenceString:
MIREERLLKV LRAPHVSEKA STAMEKSNTI VLKVAKDATK AEIKAAVQKL FEVEVEVVNT LVVKGKVKRH GQRIGRRSDW KKAYVTLKE GQNLDFVGGA E

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Macromolecule #28: 50S ribosomal protein L24

MacromoleculeName: 50S ribosomal protein L24 / type: protein_or_peptide / ID: 28 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 11.33925 KDa
SequenceString:
MAAKIRRDDE VIVLTGKDKG KRGKVKNVLS SGKVIVEGIN LVKKHQKPVP ALNQPGGIVE KEAAIQVSNV AIFNAATGKA DRVGFRFED GKKVRFFKSN SETIK

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Macromolecule #30: 50S ribosomal protein L25

MacromoleculeName: 50S ribosomal protein L25 / type: protein_or_peptide / ID: 30 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 10.713465 KDa
SequenceString:
MFTINAEVRK EQGKGASRRL RAANKFPAII YGGKEAPLAI ELDHDKVMNM QAKAEFYSEV LTIVVDGKEI KVKAQDVQRH PYKPKLQHI DFVRA

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Macromolecule #31: 50S ribosomal protein L27

MacromoleculeName: 50S ribosomal protein L27 / type: protein_or_peptide / ID: 31 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria) / Strain: B / BL21-DE3
Molecular weightTheoretical: 9.14654 KDa
SequenceString:
MAHKKAGGST RNGRDSEAKR LGVKRFGGES VLAGSIIVRQ RGTKFHAGAN VGCGRDHTLF AKADGKVKFE VKGPKNRKFI SIEAE

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Macromolecule #32: Gamma-crystallin B

MacromoleculeName: Gamma-crystallin B / type: protein_or_peptide / ID: 32 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (cattle)
Molecular weightTheoretical: 7.15797 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MGHHHHHHHH HHMGKITFYE DRGFQGHCYE CSSDCPNLQP YFSRCFSTPV WISQAQGIRA G

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Macromolecule #9: 5S rRNA

MacromoleculeName: 5S rRNA / type: rna / ID: 9 / Number of copies: 1
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria)
Molecular weightTheoretical: 38.79009 KDa
SequenceString:
UGCCUGGCGG CCGUAGCGCG GUGGUCCCAC CUGACCCCAU GCCGAACUCA GAAGUGAAAC GCCGUAGCGC CGAUGGUAGU GUGGGGUCU CCCCAUGCGA GAGUAGGGAA CUGCCAGGCA U

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Macromolecule #10: 23S rRNA

MacromoleculeName: 23S rRNA / type: rna / ID: 10 / Number of copies: 1
Source (natural)Organism: Escherichia coli BL21(DE3) (bacteria)
Molecular weightTheoretical: 942.342938 KDa
SequenceString: GGUUAAGCGA CUAAGCGUAC ACGGUGGAUG CCCUGGCAGU CAGAGGCGAU GAAGGACGUG CUAAUCUGCG AUAAGCGUCG GUAAGGUGA UAUGAACCGU UAUAACCGGC GAUUUCCGAA UGGGGAAACC CAGUGUGUUU CGACACACUA UCAUUAACUG A AUCCAUAG ...String:
GGUUAAGCGA CUAAGCGUAC ACGGUGGAUG CCCUGGCAGU CAGAGGCGAU GAAGGACGUG CUAAUCUGCG AUAAGCGUCG GUAAGGUGA UAUGAACCGU UAUAACCGGC GAUUUCCGAA UGGGGAAACC CAGUGUGUUU CGACACACUA UCAUUAACUG A AUCCAUAG GUUAAUGAGG CGAACCGGGG GAACUGAAAC AUCUAAGUAC CCCGAGGAAA AGAAAUCAAC CGAGAUUCCC CC AGUAGCG GCGAGCGAAC GGGGAGCAGC CCAGAGCCUG AAUCAGUGUG UGUGUUAGUG GAAGCGUCUG GAAAGGCGCG CGA UACAGG GUGACAGCCC CGUACACAAA AAUGCACAUG CUGUGAGCUC GAUGAGUAGG GCGGGACACG UGGUAUCCUG UCUG AAUAU GGGGGGACCA UCCUCCAAGG CUAAAUACUC CUGACUGACC GAUAGUGAAC CAGUACCGUG AGGGAAAGGC GAAAA GAAC CCCGGCGAGG GGAGUGAAAA AGAACCUGAA ACCGUGUACG UACAAGCAGU GGGAGCACAG AGCAAUCUGU GUGACU GCG UACCUUUUGU AUAAUGGGUC AGCGACUUAU AUUCUGUAGC AAGGUUAACC GAAUAGGGGA GCCGAAGGGA AACCGAG UC UUAACUGGGC GUUAAGUUGC AGGGUAUAGA CCCGAAACCC GGUGAUCUAG CCAUGGGCAG GUUGAAGGUU GGGUAACA C UAACUGGAGG ACCGAACCGA CUAAUGUUGA AAAAUUAGCG GAUGACUUGU GGCUGGGGGU GAAAGGCCAA UCAAACCGG GAGAUAGCUG GUUCUCCCCG AAAGCUAUUU AGGUAGCGCC UCGUGAAUUC AUCUCCGGGG GUAGAGCACU GUUUCGGCAA GGGGGUCAU CCCGACUUAC CAACCCGAUG CAAACUGCGA AUACCGGAGA AUGUUAUCAC GGGAGACACA CGGCGGGUGC U AACGUCCG UCGUGAAGAG GGAAACAACC CAGACCGCCA GCUAAGGUCC CAAAGUCAUG GUUAAGUGGG AAACGAUGUG GG AAGGCCC AGACAGCCAG GAUGUUGGCU UAGAAGCAGC CAUCAUUUAA AGAAAGCGUA AUAGCUCACU GGUCGAGUCG GCC UGCGCG GAAGAUGUAA CGGGGCUAAA CCAUGCACCG AAGCUGCGGC AGCGACGCUU AUGCGUUGUU GGGUAGGGGA GCGU UCUGU AAGCCUGUGA AGGUGUGCUG UGAGGCAUGC UGGAGGUAUC AGAAGUGCGA AUGCUGACAU AAGUAACGAU AAAGC GGGU GAAAAGCCCG CUCGCCGGAA GACCAAGGGU UCCUGUCCAA CGUUAAUCGG GGCAGGGUGA GUCGACCCCU AAGGCG AGG CCGAAAGGCG UAGUCGAUGG GAAACAGGUU AAUAUUCCUG UACUUGGUGU UACUGCGAAG GGGGGACGGA GAAGGCU AU GUUGGCCGGG CGACGGUUGU CCCGGUUUAA GCGUGUAGGC UGGUUUUCCA GGCAAAUCCG GAAAAUCAAG GCUGAGGC G UGAUGACGAG GCACUACGGU GCUGAAGCAA CAAAUGCCCU GCUUCCAGGA AAAGCCUCUA AGCAUCAGGU AACAUCAAA UCGUACCCCA AACCGACACA GGUGGUCAGG UAGAGAAUAC CAAGGCGCUU GAGAGAACUC GGGUGAAGGA ACUAGGCAAA AUGGUGCCG UAACUUCGGG AGAAGGCACG CUGAUAUGUA GGUGAGGUCC CUCGCGGAUG GAGCUGAAAU CAGUCGAAGA U ACCAGCUG GCUGCAACUG UUUAUUAAAA ACACAGCACU GUGCAAACAC GAAAGUGGAC GUAUACGGUG UGACGCCUGC CC GGUGCCG GAAGGUUAAU UGAUGGGGUU AGCGGUAACG CGAAGCUCUU GAUCGAAGCC CCGGUAAACG GCGGCCGUAA CUA UAACGG UCCUAAGGUA GCGAAAUUCC UUGUCGGGUA AGUUCCGACC UGCACGAAUG GCGUAAUGAU GGCCAGGCUG UCUC CACCC GAGACUCAGU GAAAUUGAAC UCGCUGUGAA GAUGCAGUGU ACCCGCGGCA AGACGGAAAG ACCCCGUGAA CCUUU ACUA UAGCUUGACA CUGAACAUUG AGCCUUGAUG UGUAGGAUAG GUGGGAGGCU UUGAAGUGUG GACGCCAGUC UGCAUG GAG CCGGCCUUGA AAUACCACCC UUUAAUGUUU GAUGUUCUAA CGUUGGCCCC UGAUCGGGGU UGCGGACAGU GUCUGGU GG GUAGUUUGAC UGGGGCGGUC UCCUCCUAAA GAGUAACGGA GGAGCACGAA GGUUGGCUAA UCCUGGUCGG ACAUCAGG A GGUUAGUGCA AUGGCAUAAG CCAGCUUGAC UGCGAGCGUG ACGGCGCGAG CAGGUGCGAA AGCAGGUCAU AGUGAUCCG GUGGUUCUGA AUGGAAGGGC CAUCGCUCAA CGGAUAAAAG GUACUCCGGG GAUAACAGGC UGAUACCGCC CAAGAGUUCA UAUCGACGG CGGUGUUUGG CACCUCGAUG UCGGCUCAUC ACAUCCUGGG GCUGAAGUAG GUCCCAAGGG UAUGGCUGUU C GCCAUUUA AAGUGGUACG CGAGCUGGGU UUAGAACGUC GUGAGACAGU UCGGUCCCUA UCUGCCGUGG GCGCUGGAGA AC UGAGGGG GGCUGCUCCU AGUACGAGAG GACCGGAGUG GACGCAUCAC UGGUGUUCGG GUUGUCAUGC CAAUGGCACU GCC CGGUAG CUAAAUGCGG AAGAGAUAAG UGCUGAAAGC AUCUAAGCAC GAAACUUGCC CCGAGAUGAG UUCUCCCUGA CUCC UUGAG AGUCCUGAAG GAACGUUGAA GACGACGACG UUGAUAGGCC GGGUGUGUAA GCGCAGCGAU GCGUUGAGCU AACCG GUAC UAAUGAACCG UGAGGCUUAA CC

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Macromolecule #29: glycine-tRNA glyT

MacromoleculeName: glycine-tRNA glyT / type: rna / ID: 29 / Number of copies: 1
Source (natural)Organism: Escherichia coli (strain B / BL21-DE3) (bacteria)
Molecular weightTheoretical: 23.935143 KDa
SequenceString:
GCGGGCAUCG UAUAAUGGCU AUUACCUCAG CCUUCCAAGC UGAUGAUGCG GGUUCGAUUC CCGCUGCCCG CUCCA

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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

Concentration0.12 mg/mL
BufferpH: 7.5
Component:
ConcentrationFormulaName
10.0 mMC8H18N2O4SHEPES
30.0 mMNH4CLAmmonium chloride
12.0 mMMgCl2Magnesium Chloride
1.0 mMC10H16N2O8Ethylenediaminetetraacetic acid (EDTA)

Details: Tico Buffer
GridModel: Quantifoil R2/1 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: CONTINUOUS / Support film - Film thickness: 5.0 nm / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Quantum SE
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Number grids imaged: 3 / Average exposure time: 0.2 sec. / Average electron dose: 1.66 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

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

3jbu

Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.83 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 196254
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

3jbu

RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-6qdw:
Cryo-EM structure of the 50S ribosomal subunit at 2.83 Angstroms with modeled GBC SecM peptide

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