1XBP

Inhibition of peptide bond formation by pleuromutilins: The structure of the 50S ribosomal subunit from Deinococcus radiodurans in complex with Tiamulin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Free: 0.360 
  • R-Value Work: 0.290 
  • R-Value Observed: 0.290 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Inhibition of peptide bond formation by pleuromutilins: the structure of the 50S ribosomal subunit from Deinococcus radiodurans in complex with tiamulin.

Schluenzen, F.Pyetan, E.Fucini, P.Yonath, A.Harms, J.M.

(2004) Mol Microbiol 54: 1287-1294

  • DOI: https://doi.org/10.1111/j.1365-2958.2004.04346.x
  • Primary Citation of Related Structures:  
    1XBP

  • PubMed Abstract: 

    Tiamulin, a prominent member of the pleuromutilin class of antibiotics, is a potent inhibitor of protein synthesis in bacteria. Up to now the effect of pleuromutilins on the ribosome has not been determined on a molecular level. The 3.5 A structure of the 50S ribosomal subunit from Deinococcus radiodurans in complex with tiamulin provides for the first time a detailed picture of its interactions with the 23S rRNA, thus explaining the molecular mechanism of the antimicrobial activity of the pleuromutilin class of antibiotics. Our results show that tiamulin is located within the peptidyl transferase center (PTC) of the 50S ribosomal subunit with its tricyclic mutilin core positioned in a tight pocket at the A-tRNA binding site. Also, the extension, which protrudes from its mutilin core, partially overlaps with the P-tRNA binding site. Thereby, tiamulin directly inhibits peptide bond formation. Comparison of the tiamulin binding site with other PTC targeting drugs, like chloramphenicol, clindamycin and streptogramins, may facilitate the design of modified or hybridized drugs that extend the applicability of this class of antibiotics.


  • Organizational Affiliation

    Max-Planck Institute for Molecular Genetics, D-14195 Berlin, Germany.


Macromolecules

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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L2C [auth A]274Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXJ9 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L3D [auth B]211Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXK2 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L4E [auth C]204Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXK1 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L5F [auth D]180Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXJ0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L6G [auth E]185Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSL3 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L9H [auth F]146Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RY49 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L11I [auth G]144Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSS7 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L13J [auth H]174Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXY1 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L14K [auth I]134Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXJ2 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L15L [auth J]156Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSK9 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
ribosomal protein L16M [auth K]141Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXJ5 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L17N [auth L]116Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSJ5 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L18O [auth M]113Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSL2 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
Explore Q9RSL2 
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L19P [auth N]166Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RWB4 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L20Q [auth O]118Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSW7 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
Explore Q9RSW7 
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L21R [auth P]100Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RY64 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L22S [auth Q]134Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXJ7 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L23T [auth R]94Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXK0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
Explore Q9RXK0 
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L24U [auth S]115Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXJ1 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 22
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L25V [auth T]237Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RX88 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 23
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L27W [auth U]91Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RY65 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 24
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L29X [auth W]67Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RXJ4 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 25
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L30Y [auth X]55Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSL0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 26
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L31Z [auth Y]73Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RW44 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 27
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L32AA [auth Z]59Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for P49228 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 28
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L33BA [auth 1]55Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSS4 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 29
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L34CA [auth 2]47Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSH2 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 30
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L35DA [auth 3]65Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSW6 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 31
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L36EA [auth 4]37Deinococcus radioduransMutation(s): 0 
UniProt
Find proteins for Q9RSK0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1))
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Entity ID: 1
MoleculeChains LengthOrganismImage
23S RIBOSOMAL RNAA [auth 0]2,880Deinococcus radiodurans
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Entity ID: 2
MoleculeChains LengthOrganismImage
5S RIBOSOMAL RNAB [auth 9]124Deinococcus radiodurans
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Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
MUL
Query on MUL

Download Ideal Coordinates CCD File 
FA [auth 0]TIAMULIN
C28 H47 N O4 S
UURAUHCOJAIIRQ-QGLSALSOSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Free: 0.360 
  • R-Value Work: 0.290 
  • R-Value Observed: 0.290 
  • Space Group: I 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 168.7α = 90
b = 405β = 90
c = 693γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2005-03-01
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2023-08-23
    Changes: Data collection, Database references, Derived calculations, Refinement description