3K8T

Structure of eukaryotic rnr large subunit R1 complexed with designed adp analog compound


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.290 
  • R-Value Work: 0.252 
  • R-Value Observed: 0.254 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Structure-Based Design, Synthesis, and Evaluation of 2'-(2-Hydroxyethyl)-2'-deoxyadenosine and the 5'-Diphosphate Derivative as Ribonucleotide Reductase Inhibitors

Sun, D.Xu, H.Wijerathna, S.R.Dealwis, C.Lee, R.E.

(2009) ChemMedChem 4: 1649-1656

  • DOI: https://doi.org/10.1002/cmdc.200900236
  • Primary Citation of Related Structures:  
    3K8T

  • PubMed Abstract: 

    Analysis of the recently solved X-ray crystal structures of Saccharomyces cerevisiae ribonucleotide reductase I (ScRnr1) in complex with effectors and substrates led to the discovery of a conserved water molecule located at the active site that interacted with the 2'-hydroxy group of the nucleoside ribose. In this study 2'-(2-hydroxyethyl)-2'-deoxyadenosine 1 and the 5'-diphosphate derivative 2 were designed and synthesized to see if the conserved water molecule could be displaced by a hydroxymethylene group, to generate novel RNR inhibitors as potential antitumor agents. Herein we report the synthesis of analogues 1 and 2, and the co-crystal structure of adenosine diphosphate analogue 2 bound to ScRnr1, which shows the conserved water molecule is displaced as hypothesized.


  • Organizational Affiliation

    Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN 38163 (USA).


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Ribonucleoside-diphosphate reductase large chain 1888Saccharomyces cerevisiaeMutation(s): 0 
Gene Names: CRT7RIR1RNR1SDS12YER070W
EC: 1.17.4.1
UniProt
Find proteins for P21524 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P21524 
Go to UniProtKB:  P21524
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP21524
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.290 
  • R-Value Work: 0.252 
  • R-Value Observed: 0.254 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 107.528α = 90
b = 116.915β = 90
c = 64.065γ = 90
Software Package:
Software NamePurpose
CCP4model building
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
CCP4phasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-03-02
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Advisory, Version format compliance
  • Version 1.2: 2023-09-06
    Changes: Data collection, Database references, Derived calculations, Refinement description