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 1.2 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: 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 th ...

    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
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L2 A274Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXJ9 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 4
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50S ribosomal protein L3 B211Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXK2 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 5
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50S ribosomal protein L4 C204Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXK1 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 6
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50S ribosomal protein L5 D180Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXJ0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L6 E185Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSL3 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 8
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50S ribosomal protein L9 F146Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RY49 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 9
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50S ribosomal protein L11 G144Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSS7 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 10
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50S ribosomal protein L13 H174Deinococcus radioduransMutation(s): 0 
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Entity ID: 11
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50S ribosomal protein L14 I134Deinococcus radioduransMutation(s): 0 
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Entity ID: 12
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50S ribosomal protein L15 J156Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSK9 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 13
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ribosomal protein L16 K141Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXJ5 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 14
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50S ribosomal protein L17 L116Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSJ5 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 15
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50S ribosomal protein L18 M113Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSL2 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 16
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50S ribosomal protein L19 N166Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RWB4 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 17
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50S ribosomal protein L20 O118Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSW7 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 18
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50S ribosomal protein L21 P100Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RY64 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 19
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50S ribosomal protein L22 Q134Deinococcus radioduransMutation(s): 0 
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Entity ID: 20
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50S ribosomal protein L23 R94Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXK0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 21
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50S ribosomal protein L24 S115Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXJ1 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 22
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50S ribosomal protein L25 T237Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RX88 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 23
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50S ribosomal protein L27 U91Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RY65 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 24
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50S ribosomal protein L29 W67Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RXJ4 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 25
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L30 X55Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSL0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 26
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L31 Y73Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RW44 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 27
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L32 Z59Deinococcus radioduransMutation(s): 0 
Find proteins for P49228 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 28
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L33 155Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSS4 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 29
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L34 247Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSH2 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 30
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L35 365Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSW6 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 31
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L36 437Deinococcus radioduransMutation(s): 0 
Find proteins for Q9RSK0 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422))
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Entity ID: 1
MoleculeChainsLengthOrganismImage
23S RIBOSOMAL RNA02880Deinococcus radiodurans
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Entity ID: 2
MoleculeChainsLengthOrganismImage
5S RIBOSOMAL RNA9124Deinococcus radiodurans
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MUL
Query on MUL

Download Ideal Coordinates CCD File 
0
TIAMULIN
C28 H47 N O4 S
UURAUHCOJAIIRQ-QGLSALSOSA-N
 Ligand Interaction
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 

  • 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