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Crystal structure of B. anthracis dihydrofolate reductase (DHFR) with RAB1, a TMP-dihydrophthalazine derivative
3FL8
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Oxidoreductase
    Structure Weight: 161138.01
    Molecule: Dihydrofolate reductase
    Polymer: 1 Type: protein Length: 166
    Chains: A, B, C, D, E, F, G, H
    EC#: 1.5.1.3   
    Organism: Bacillus anthracis
    Gene Names: dfrA BA_2237 BAS2083 GBAA_2237
    UniProtKB: Protein Feature View | Search PDB | Q81R22  
     
  •   Structure Validation Hide

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  •   Source Hide
    Polymer: 1
    Scientific Name: Bacillus anthracis   Taxonomy   Common Name: Anthrax Expression System: Escherichia coli  
     
  •   Related PDB Entries Hide
    Identifier Details
    2QK8  B. anthracis DHFR complexed with methotrexate 
    3E0B  B. anthracis DHFR complexed with TMP-derivative 
    3FL9  B. anthracis DHFR complexed with TMP 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    CA
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    CA Ca
    CALCIUM ION
    RAR
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    RAR C27 H30 N6 O3
    5-(3,4-dimethoxy-5-{(1E)-3-oxo-3-[(1S)-1- propylphthalazin-2(1H)-yl]prop-1-en-1-yl}benzyl)pyrimidine- 2,4-diamine
    RAR:3FL8
     
  •   External Ligand Annotations Hide
    Identifier   Binding Affinity (Sequence Identity %)
    RAR
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    RAR
    IC50: 54 nM (100) - data from BindingDB  
    IC50: 54 nM - data from BindingMOAD  
    N/Ain PDBbind
     
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  •   Structural Biology Knowledgebase Data Hide
     
 
Data in orange boxes are gathered from external resources (when available).
 
  Biological Assembly 1       
Biological assembly 1 assigned by authors and generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Bourne, C.R.,  Barrow, W.W.

    Deposition:   2008-12-18
    Release:   2009-04-28
    Last Modified (REVDAT):   2009-07-07
     
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    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   2.29
    R-Value: 0.209 (obs.)
    R-Free: 0.254
    Space Group: P 21 21 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 68.18 α = 90.00 
    b = 135.92 β = 90.00 
    c = 168.65 γ = 90.00