1VQ6

The structure of c-hpmn and CCA-PHE-CAP-BIO bound to the large ribosomal subunit of haloarcula marismortui


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.70 Å
  • R-Value Free: 0.233 
  • R-Value Work: 0.194 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

An induced-fit mechanism to promote peptide bond formation and exclude hydrolysis of peptidyl-tRNA.

Schmeing, T.M.Huang, K.S.Strobel, S.A.Steitz, T.A.

(2005) Nature 438: 520-524

  • DOI: 10.1038/nature04152
  • Primary Citation of Related Structures:  
    1VQ7, 1VQ6, 1VQN

  • PubMed Abstract: 
  • The large ribosomal subunit catalyses the reaction between the alpha-amino group of the aminoacyl-tRNA bound to the A site and the ester carbon of the peptidyl-tRNA bound to the P site, while preventing the nucleophilic attack of water on the ester, whic ...

    The large ribosomal subunit catalyses the reaction between the alpha-amino group of the aminoacyl-tRNA bound to the A site and the ester carbon of the peptidyl-tRNA bound to the P site, while preventing the nucleophilic attack of water on the ester, which would lead to unprogrammed deacylation of the peptidyl-tRNA. Here we describe three new structures of the large ribosomal subunit of Haloarcula marismortui (Hma) complexed with peptidyl transferase substrate analogues that reveal an induced-fit mechanism in which substrates and active-site residues reposition to allow the peptidyl transferase reaction. Proper binding of an aminoacyl-tRNA analogue to the A site induces specific movements of 23S rRNA nucleotides 2618-2620 (Escherichia coli numbering 2583-2585) and 2541(2506), thereby reorienting the ester group of the peptidyl-tRNA and making it accessible for attack. In the absence of the appropriate A-site substrate, the peptidyl transferase centre positions the ester link of the peptidyl-tRNA in a conformation that precludes the catalysed nucleophilic attack by water. Protein release factors may also function, in part, by inducing an active-site rearrangement similar to that produced by the A-site aminoacyl-tRNA, allowing the carbonyl group and water to be positioned for hydrolysis.


    Related Citations: 
    • Structural Insights into the Roles of Water and the 2' Hydroxyl of the P Site tRNA in the Peptidyl Transferase Reaction.
      Schmeing, T.M., Huang, K.S., Kitchen, D.E., Strobel, S.A., Steitz, T.A.
      (2005) Mol Cell 20: 437

    Organizational Affiliation

    Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, Connecticut 06520, USA.



Macromolecules

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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L2P A240Haloarcula marismortuiMutation(s): 0 
Find proteins for P20276 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L3P B338Haloarcula marismortuiMutation(s): 0 
Find proteins for P20279 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L4E C246Haloarcula marismortuiMutation(s): 0 
Find proteins for P12735 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L5P D177Haloarcula marismortuiMutation(s): 0 
Find proteins for P14124 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L6P E178Haloarcula marismortuiMutation(s): 0 
Find proteins for P14135 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L7AE F120Haloarcula marismortuiMutation(s): 0 
Find proteins for P12743 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
ACIDIC RIBOSOMAL PROTEIN P0 HOMOLOG G348Haloarcula marismortuiMutation(s): 0 
Find proteins for P15825 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetailsImage
50S RIBOSOMAL PROTEIN L10E H171Haloarcula marismortuiMutation(s): 0 
Find proteins for P60617 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L13P J145Haloarcula marismortuiMutation(s): 0 
Find proteins for P29198 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 14
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L14P K132Haloarcula marismortuiMutation(s): 0 
Find proteins for P22450 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 15
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L15P L165Haloarcula marismortuiMutation(s): 0 
Find proteins for P12737 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 16
MoleculeChainsSequence LengthOrganismDetailsImage
50S Ribosomal Protein L15E M194Haloarcula marismortuiMutation(s): 0 
Find proteins for P60618 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 17
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L18P N187Haloarcula marismortuiMutation(s): 0 
Find proteins for P14123 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 18
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L18e O116Haloarcula marismortuiMutation(s): 0 
Find proteins for P12733 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 19
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L19E P149Haloarcula marismortuiMutation(s): 0 
Find proteins for P14119 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 20
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L21e Q96Haloarcula marismortuiMutation(s): 0 
Find proteins for P12734 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 21
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L22P R155Haloarcula marismortuiMutation(s): 0 
Find proteins for P10970 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 22
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L23P S85Haloarcula marismortuiMutation(s): 0 
Find proteins for P12732 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 23
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L24P T120Haloarcula marismortuiMutation(s): 0 
Find proteins for P10972 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 24
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L24E U66Haloarcula marismortuiMutation(s): 0 
Find proteins for P14116 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 25
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L29P V71Haloarcula marismortuiMutation(s): 0 
Find proteins for P10971 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 26
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L30P W154Haloarcula marismortuiMutation(s): 0 
Find proteins for P14121 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 27
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L31e X92Haloarcula marismortuiMutation(s): 0 
Find proteins for P18138 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 28
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L32E Y241Haloarcula marismortuiMutation(s): 0 
Find proteins for P12736 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 29
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L37Ae Z83Haloarcula marismortuiMutation(s): 0 
Find proteins for P60619 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 30
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L37e 157Haloarcula marismortuiMutation(s): 0 
Find proteins for P32410 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 31
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L39e 250Haloarcula marismortuiMutation(s): 0 
Find proteins for P22452 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 32
MoleculeChainsSequence LengthOrganismDetailsImage
50S ribosomal protein L44E 392Haloarcula marismortuiMutation(s): 0 
Find proteins for P32411 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 33
MoleculeChainsSequence LengthOrganismDetailsImage
50S RIBOSOMAL PROTEIN L11P I162Haloarcula marismortuiMutation(s): 0 
Find proteins for P14122 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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  • Reference Sequence
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Entity ID: 1
MoleculeChainsLengthOrganismImage
23S ribosomal rna02922Haloarcula marismortui
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Entity ID: 2
MoleculeChainsLengthOrganismImage
5S ribosomal RNA9122Haloarcula marismortui
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  • Entity ID: 3
    MoleculeChainsLengthOrganismImage
    5'-R(*CP*(5AA)*(HFA))-3'43N/A
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    • Entity ID: 4
      MoleculeChainsLengthOrganismImage
      5'-R(*CP*CP*AP*(PHE)*(ACA)*(BTN))-3'56N/A
      Small Molecules
      Ligands 5 Unique
      IDChainsName / Formula / InChI Key2D Diagram3D Interactions
      CD
      Query on CD

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      1, 3, O, U, Z
      CADMIUM ION
      Cd
      WLZRMCYVCSSEQC-UHFFFAOYSA-N
       Ligand Interaction
      K
      Query on K

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      0
      POTASSIUM ION
      K
      NPYPAHLBTDXSSS-UHFFFAOYSA-N
       Ligand Interaction
      CL
      Query on CL

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      0, 3, A, B, J, K, L, M, N, O, R, Y
      CHLORIDE ION
      Cl
      VEXZGXHMUGYJMC-UHFFFAOYSA-M
       Ligand Interaction
      MG
      Query on MG

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      0, 3, 5, 9, A, B, K, T, Y
      MAGNESIUM ION
      Mg
      JLVVSXFLKOJNIY-UHFFFAOYSA-N
       Ligand Interaction
      NA
      Query on NA

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      0, 9, A, C, H, J, L, M, Q, R, S
      SODIUM ION
      Na
      FKNQFGJONOIPTF-UHFFFAOYSA-N
       Ligand Interaction
      Experimental Data & Validation

      Experimental Data

      • Method: X-RAY DIFFRACTION
      • Resolution: 2.70 Å
      • R-Value Free: 0.233 
      • R-Value Work: 0.194 
      • Space Group: C 2 2 21
      Unit Cell:
      Length ( Å )Angle ( ˚ )
      a = 212.05α = 90
      b = 300.187β = 90
      c = 573.987γ = 90
      Software Package:
      Software NamePurpose
      HKL-2000data collection
      SCALEPACKdata scaling
      CNSrefinement
      HKL-2000data reduction
      CNSphasing

      Structure Validation

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      Entry History 

      Deposition Data

      Revision History 

      • Version 1.0: 2005-11-29
        Type: Initial release
      • Version 1.1: 2008-04-26
        Changes: Version format compliance
      • Version 1.2: 2011-07-13
        Changes: Non-polymer description, Version format compliance