5JTE

Cryo-EM structure of an ErmBL-stalled ribosome in complex with A-, P-, and E-tRNA


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 2.2 of the entry. See complete history


Literature

A combined cryo-EM and molecular dynamics approach reveals the mechanism of ErmBL-mediated translation arrest.

Arenz, S.Bock, L.V.Graf, M.Innis, C.A.Beckmann, R.Grubmuller, H.Vaiana, A.C.Wilson, D.N.

(2016) Nat Commun 7: 12026-12026

  • DOI: https://doi.org/10.1038/ncomms12026
  • Primary Citation of Related Structures:  
    5JTE, 5JU8

  • PubMed Abstract: 

    Nascent polypeptides can induce ribosome stalling, regulating downstream genes. Stalling of ErmBL peptide translation in the presence of the macrolide antibiotic erythromycin leads to resistance in Streptococcus sanguis. To reveal this stalling mechanism we obtained 3.6-Å-resolution cryo-EM structures of ErmBL-stalled ribosomes with erythromycin. The nascent peptide adopts an unusual conformation with the C-terminal Asp10 side chain in a previously unseen rotated position. Together with molecular dynamics simulations, the structures indicate that peptide-bond formation is inhibited by displacement of the peptidyl-tRNA A76 ribose from its canonical position, and by non-productive interactions of the A-tRNA Lys11 side chain with the A-site crevice. These two effects combine to perturb peptide-bond formation by increasing the distance between the attacking Lys11 amine and the Asp10 carbonyl carbon. The interplay between drug, peptide and ribosome uncovered here also provides insight into the fundamental mechanism of peptide-bond formation.


  • Organizational Affiliation

    Gene Center and Department for Biochemistry, University of Munich, Feodor-Lynenstrasse 25, Munich 81377, Germany.


Macromolecules

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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S2B [auth AB]240Escherichia coliMutation(s): 0 
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S3C [auth AC]233Escherichia coliMutation(s): 0 
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S4D [auth AD]206Escherichia coliMutation(s): 0 
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S5E [auth AE]167Escherichia coliMutation(s): 0 
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S6F [auth AF]135Escherichia coliMutation(s): 0 
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S7G [auth AG]179Escherichia coliMutation(s): 0 
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S8H [auth AH]130Escherichia coliMutation(s): 0 
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S9I [auth AI]130Escherichia coliMutation(s): 0 
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S10J [auth AJ]103Escherichia coliMutation(s): 0 
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S11K [auth AK]129Escherichia coliMutation(s): 0 
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S12L [auth AL]124Escherichia coliMutation(s): 0 
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S13M [auth AM]118Escherichia coliMutation(s): 0 
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S14N [auth AN]101Escherichia coliMutation(s): 0 
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S15O [auth AO]89Escherichia coliMutation(s): 0 
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S16P [auth AP]82Escherichia coliMutation(s): 0 
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S17Q [auth AQ]84Escherichia coliMutation(s): 0 
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S18R [auth AR]75Escherichia coliMutation(s): 0 
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S19S [auth AS]92Escherichia coliMutation(s): 0 
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S20T [auth AT]87Escherichia coliMutation(s): 0 
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S21U [auth AU]71Escherichia coliMutation(s): 0 
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Entity ID: 28
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L2BA [auth BC]273Escherichia coliMutation(s): 0 
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Entity ID: 29
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L3CA [auth BD]209Escherichia coliMutation(s): 0 
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Entity ID: 30
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L4DA [auth BE]201Escherichia coliMutation(s): 0 
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Entity ID: 31
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L5EA [auth BF]179Escherichia coliMutation(s): 0 
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Entity ID: 32
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L6FA [auth BG]177Escherichia coliMutation(s): 0 
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Entity ID: 33
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L9GA [auth BH]149Escherichia coliMutation(s): 0 
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Entity ID: 34
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L11HA [auth BI]142Escherichia coliMutation(s): 0 
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Entity ID: 35
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L13IA [auth BJ]142Escherichia coliMutation(s): 0 
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Entity ID: 36
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L14JA [auth BK]123Escherichia coliMutation(s): 0 
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Entity ID: 37
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L15KA [auth BL]144Escherichia coliMutation(s): 0 
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Entity ID: 38
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L16LA [auth BM]136Escherichia coliMutation(s): 0 
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Entity ID: 39
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L17MA [auth BN]127Escherichia coliMutation(s): 0 
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Entity ID: 40
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L18NA [auth BO]117Escherichia coliMutation(s): 0 
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Entity ID: 41
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L19OA [auth BP]115Escherichia coliMutation(s): 0 
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Entity ID: 42
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L20PA [auth BQ]118Escherichia coliMutation(s): 0 
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Entity ID: 43
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L21QA [auth BR]103Escherichia coliMutation(s): 0 
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Entity ID: 44
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L22RA [auth BS]110Escherichia coliMutation(s): 0 
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Entity ID: 45
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L23SA [auth BT]100Escherichia coliMutation(s): 0 
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Entity ID: 46
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L24TA [auth BU]104Escherichia coliMutation(s): 0 
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Entity ID: 47
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L25UA [auth BV]94Escherichia coliMutation(s): 0 
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Entity ID: 48
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L27VA [auth BW]85Escherichia coliMutation(s): 0 
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Entity ID: 49
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L28WA [auth BX]78Escherichia coliMutation(s): 0 
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Entity ID: 50
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L29XA [auth BY]63Escherichia coliMutation(s): 0 
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Entity ID: 51
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L30YA [auth BZ]59Escherichia coliMutation(s): 0 
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Entity ID: 52
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L32ZA [auth B0]57Escherichia coliMutation(s): 0 
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Entity ID: 53
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L33AB [auth B1]55Escherichia coliMutation(s): 0 
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Entity ID: 54
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L34BB [auth B2]46Escherichia coliMutation(s): 0 
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Find proteins for P0A7P5 (Escherichia coli (strain K12))
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UniProt GroupP0A7P5
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Entity ID: 55
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L35CB [auth B3]65Escherichia coliMutation(s): 0 
UniProt
Find proteins for P0A7Q1 (Escherichia coli (strain K12))
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Entity ID: 56
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L36DB [auth B4]38Escherichia coliMutation(s): 0 
UniProt
Find proteins for P0A7Q6 (Escherichia coli (strain K12))
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Entity ID: 57
MoleculeChains Sequence LengthOrganismDetailsImage
ErmBLEB [auth B5]9Escherichia coliMutation(s): 0 
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Entity ID: 1
MoleculeChains LengthOrganismImage
16S ribosomal RNAA [auth AA]1,539Escherichia coli
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Entity ID: 22
MoleculeChains LengthOrganismImage
mRNAV [auth AV]10Escherichia coli
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Entity ID: 23
MoleculeChains LengthOrganismImage
A-site Lysine tRNA LysineW [auth AW]74Escherichia coli
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Entity ID: 24
MoleculeChains LengthOrganismImage
P-site tRNA AspartateX [auth AX]77Escherichia coli
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Entity ID: 25
MoleculeChains LengthOrganismImage
E-site tRNA ValineY [auth AY]71Escherichia coli
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Entity ID: 26
MoleculeChains LengthOrganismImage
23S ribosomal RNAZ [auth BA]2,897Escherichia coli
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Entity ID: 27
MoleculeChains LengthOrganismImage
5S ribosomal RNAAA [auth BB]120Escherichia coli
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Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2016-07-20
    Type: Initial release
  • Version 1.1: 2017-08-30
    Changes: Data collection, Derived calculations
  • Version 2.0: 2019-02-20
    Changes: Data collection, Polymer sequence
  • Version 2.1: 2019-08-21
    Changes: Data collection
  • Version 2.2: 2019-12-11
    Changes: Other