1N38

reovirus polymerase lambda3 elongation complex with one phosphodiester bond formed


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.80 Å
  • R-Value Free: 0.263 
  • R-Value Work: 0.201 
  • R-Value Observed: 0.201 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

RNA Synthesis in a Cage--Structural Studies of Reovirus Polymerase [lambda] 3

Tao, Y.Farsetta, D.L.Nibert, M.L.Harrison, S.C.

(2002) Cell 111: 733-745

  • DOI: 10.1016/s0092-8674(02)01110-8
  • Primary Citation of Related Structures:  
    1N1H, 1N35, 1N38, 1MUK, 1MWH

  • PubMed Abstract: 
  • The reovirus polymerase and those of other dsRNA viruses function within the confines of a protein capsid to transcribe the tightly packed dsRNA genome segments. The crystal structure of the reovirus polymerase, lambda3, determined at 2.5 A resolutio ...

    The reovirus polymerase and those of other dsRNA viruses function within the confines of a protein capsid to transcribe the tightly packed dsRNA genome segments. The crystal structure of the reovirus polymerase, lambda3, determined at 2.5 A resolution, shows a fingers-palm-thumb core, similar to those of other viral polymerases, surrounded by major N- and C-terminal elaborations, which create a cage-like structure, with four channels leading to the catalytic site. This "caged" polymerase has allowed us to visualize the results of several rounds of RNA polymerization directly in the crystals. A 5' cap binding site on the surface of lambda3 suggests a template retention mechanism by which attachment of the 5' end of the plus-sense strand facilitates insertion of the 3' end of the minus-sense strand into the template channel.


    Organizational Affiliation

    Howard Hughes Medical Institute, Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA.



Macromolecules

Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Minor core protein lambda 3A1267Mammalian orthoreovirus 3 DearingMutation(s): 0 
Gene Names: L1
EC: 2.7.7.48
Find proteins for P0CK31 (Reovirus type 3 (strain Dearing))
Explore P0CK31 
Go to UniProtKB:  P0CK31
Protein Feature View
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  • Reference Sequence
  • Find similar nucleic acids by:  Sequence   |   Structure
  • Entity ID: 1
    MoleculeChainsLengthOrganismImage
    5'-R(P*GP*C)-3'B2N/A
    • Find similar nucleic acids by:  Sequence   |   Structure
    • Entity ID: 2
      MoleculeChainsLengthOrganismImage
      5'-R(*AP*UP*UP*AP*GP*C)-3'C6N/A
      Small Molecules
      Ligands 3 Unique
      IDChainsName / Formula / InChI Key2D Diagram3D Interactions
      U3H
      Query on U3H

      Download CCD File 
      A
      3'-DEOXY-URIDINE 5'-TRIPHOSPHATE
      C9 H17 N2 O14 P3
      CVEDUOUYNXHQBA-HIORRCEOSA-N
       Ligand Interaction
      CH1
      Query on CH1

      Download CCD File 
      A
      3'-DEOXY-CYTIDINE-5'-TRIPHOSPHATE
      C9 H16 N3 O13 P3
      CHKFLBOLYREYDO-SHYZEUOFSA-N
       Ligand Interaction
      MN
      Query on MN

      Download CCD File 
      A
      MANGANESE (II) ION
      Mn
      WAEMQWOKJMHJLA-UHFFFAOYSA-N
       Ligand Interaction
      Experimental Data & Validation

      Experimental Data

      • Method: X-RAY DIFFRACTION
      • Resolution: 2.80 Å
      • R-Value Free: 0.263 
      • R-Value Work: 0.201 
      • R-Value Observed: 0.201 
      • Space Group: P 21 21 21
      Unit Cell:
      Length ( Å )Angle ( ˚ )
      a = 70.719α = 90
      b = 85.207β = 90
      c = 248.473γ = 90
      Software Package:
      Software NamePurpose
      DENZOdata reduction
      SCALEPACKdata scaling
      CNSrefinement
      CNSphasing

      Structure Validation

      View Full Validation Report



      Entry History 

      Deposition Data

      Revision History 

      • Version 1.0: 2002-12-25
        Type: Initial release
      • Version 1.1: 2008-04-28
        Changes: Version format compliance
      • Version 1.2: 2011-07-13
        Changes: Version format compliance