1T4G

ATPase in complex with AMP-PNP


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.244 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.219 

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Ligand Structure Quality Assessment 


This is version 1.4 of the entry. See complete history


Literature

Crystal Structure of Archaeal Recombinase RadA; A Snapshot of Its Extended Conformation.

Wu, Y.He, Y.Moya, I.A.Qian, X.Luo, Y.

(2004) Mol Cell 15: 423-435

  • DOI: 10.1016/j.molcel.2004.07.014
  • Primary Citation of Related Structures:  
    1T4G

  • PubMed Abstract: 
  • Homologous recombination of DNA plays crucial roles in repairing severe DNA damage and in generating genetic diversity. The process is facilitated by a superfamily of recombinases: bacterial RecA, archaeal RadA and Rad51, and eukaryal Rad51 and DMC1. These recombinases share a common ATP-dependent filamentous quaternary structure for binding DNA and facilitating strand exchange ...

    Homologous recombination of DNA plays crucial roles in repairing severe DNA damage and in generating genetic diversity. The process is facilitated by a superfamily of recombinases: bacterial RecA, archaeal RadA and Rad51, and eukaryal Rad51 and DMC1. These recombinases share a common ATP-dependent filamentous quaternary structure for binding DNA and facilitating strand exchange. We have determined the crystal structure of Methanococcus voltae RadA in complex with the ATP analog AMP-PNP at 2.0 A resolution. The RadA filament is a 106.7 A pitch helix with six subunits per turn. The DNA binding loops L1 and L2 are located in close proximity to the filament axis. The ATP analog is buried between two RadA subunits, a feature similar to that of the active filament of Escherichia coli RecA revealed by electron microscopy. The disposition of the N-terminal domain suggests a role of the Helix-hairpin-Helix motif in binding double-stranded DNA.


    Organizational Affiliation

    Department of Biochemistry, University of Saskatchewan, A3 Health Sciences Building, 107 Wiggins Road, Saskatoon, Saskatchewan, Canada S7N 5E5.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
DNA repair and recombination protein radAA322Methanococcus voltaeMutation(s): 1 
Gene Names: radA
UniProt
Find proteins for O73948 (Methanococcus voltae)
Explore O73948 
Go to UniProtKB:  O73948
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO73948
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ANP
Query on ANP

Download Ideal Coordinates CCD File 
D [auth A]PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
C10 H17 N6 O12 P3
PVKSNHVPLWYQGJ-KQYNXXCUSA-N
 Ligand Interaction
MG
Query on MG

Download Ideal Coordinates CCD File 
B [auth A],
C [auth A]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.244 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.219 
  • Space Group: P 61
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 83.699α = 90
b = 83.699β = 90
c = 106.672γ = 120
Software Package:
Software NamePurpose
SaintPlusdata collection
LSCALEdata reduction
AMoREphasing
CNSrefinement
SAINTdata reduction
LSCALEdata scaling

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2004-08-17
    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: 2017-10-11
    Changes: Refinement description
  • Version 1.4: 2021-10-27
    Changes: Database references, Derived calculations