3J5L

Structure of the E. coli 50S subunit with ErmBL nascent chain


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 6.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Molecular basis for erythromycin-dependent ribosome stalling during translation of the ErmBL leader peptide.

Arenz, S.Ramu, H.Gupta, P.Berninghausen, O.Beckmann, R.Vazquez-Laslop, N.Mankin, A.S.Wilson, D.N.

(2014) Nat Commun 5: 3501-3501

  • DOI: https://doi.org/10.1038/ncomms4501
  • Primary Citation of Related Structures:  
    3J5L

  • PubMed Abstract: 

    In bacteria, ribosome stalling during translation of ErmBL leader peptide occurs in the presence of the antibiotic erythromycin and leads to induction of expression of the downstream macrolide resistance methyltransferase ErmB. The lack of structures of drug-dependent stalled ribosome complexes (SRCs) has limited our mechanistic understanding of this regulatory process. Here we present a cryo-electron microscopy structure of the erythromycin-dependent ErmBL-SRC. The structure reveals that the antibiotic does not interact directly with ErmBL, but rather redirects the path of the peptide within the tunnel. Furthermore, we identify a key peptide-ribosome interaction that defines an important relay pathway from the ribosomal tunnel to the peptidyltransferase centre (PTC). The PTC of the ErmBL-SRC appears to adopt an uninduced state that prevents accommodation of Lys-tRNA at the A-site, thus providing structural basis for understanding how the drug and the nascent peptide cooperate to inhibit peptide bond formation and induce translation arrest.


  • Organizational Affiliation

    Gene Center, Department for Biochemistry, University of Munich, Feodor-Lynen Strasse 25, 81377 Munich, Germany.


Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L32A [auth 0]56Escherichia coli K-12Mutation(s): 0 
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L33B [auth 1]50Escherichia coli K-12Mutation(s): 0 
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L34C [auth 2]46Escherichia coli K-12Mutation(s): 0 
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L35D [auth 3]64Escherichia coli K-12Mutation(s): 0 
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L36E [auth 4]38Escherichia coli K-12Mutation(s): 0 
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
Erythromycin resistance leader peptideG [auth 6]10Streptococcus sanguinisMutation(s): 0 
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L2K [auth C]271Escherichia coli K-12Mutation(s): 0 
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L3L [auth D]209Escherichia coli K-12Mutation(s): 0 
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L4M [auth E]201Escherichia coli K-12Mutation(s): 0 
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L5N [auth F]177Escherichia coli K-12Mutation(s): 0 
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L6O [auth G]176Escherichia coli K-12Mutation(s): 0 
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L9P [auth H]56Escherichia coli K-12Mutation(s): 0 
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L11Q [auth I]141Escherichia coli K-12Mutation(s): 0 
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L13R [auth J]142Escherichia coli K-12Mutation(s): 0 
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L14S [auth K]122Escherichia coli K-12Mutation(s): 0 
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L15T [auth L]143Escherichia coli K-12Mutation(s): 0 
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L16U [auth M]136Escherichia coli K-12Mutation(s): 0 
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Entity ID: 22
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L17V [auth N]120Escherichia coli K-12Mutation(s): 0 
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Entity ID: 23
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L18W [auth O]116Escherichia coli K-12Mutation(s): 0 
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Entity ID: 24
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L19X [auth P]114Escherichia coli K-12Mutation(s): 0 
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Entity ID: 25
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L20Y [auth Q]117Escherichia coli K-12Mutation(s): 0 
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Entity ID: 26
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L21Z [auth R]103Escherichia coli K-12Mutation(s): 0 
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Entity ID: 27
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L22AA [auth S]110Escherichia coli K-12Mutation(s): 0 
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Entity ID: 28
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L23BA [auth T]93Escherichia coli K-12Mutation(s): 0 
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Entity ID: 29
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L24CA [auth U]102Escherichia coli K-12Mutation(s): 0 
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Entity ID: 30
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L25DA [auth V]94Escherichia coli K-12Mutation(s): 0 
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Entity ID: 31
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L27EA [auth W]79Escherichia coli K-12Mutation(s): 0 
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Entity ID: 32
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L28FA [auth X]77Escherichia coli K-12Mutation(s): 0 
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Entity ID: 33
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L29GA [auth Y]63Escherichia coli K-12Mutation(s): 0 
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Entity ID: 34
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L30HA [auth Z]58Escherichia coli K-12Mutation(s): 0 
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Entity ID: 6
MoleculeChains LengthOrganismImage
5'-R(*CP*(MA6))-3'F [auth 5]2N/A
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Entity ID: 8
MoleculeChains LengthOrganismImage
5'-R(*CP*CP*A)-3'H [auth 7]3N/A
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Entity ID: 9
MoleculeChains LengthOrganismImage
23S ribsomal RNAI [auth A]2,904Escherichia coli K-12
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Entity ID: 10
MoleculeChains LengthOrganismImage
5S ribosomal RNAJ [auth B]118Escherichia coli K-12
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Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 6.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONSPIDER

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2014-03-26
    Type: Initial release
  • Version 1.1: 2014-04-02
    Changes: Database references
  • Version 1.2: 2018-07-18
    Changes: Data collection