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 dfrD BA_2237 BAS2083 GBAA_2237 DH23_2166 DJ42_799 DJ43_1447 DJ44_442 DJ45_3684 DJ48_2031 DJ49_2771 HYU01_11160 NX97_15125 OY20_15790 OY21_16995 OY22_09325 OY23_07725 OY24_16705 OY25_06805 OY27_10805 OY28_04730 OY29_19330 OY30_25630 OY31_24910 OY32_19775 OY33_12840 OY34_12150 OY35_10095 OY36_26740 OY37_23510 OY38_24710 OY39_08650 OY40_14725 RT54_11060
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  •   Source Hide
    Polymer: 1
    Scientific Name: Bacillus anthracis   Taxonomy   Common Name: Anthrax Expression System: Escherichia coli  
     
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    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  
    IC50: 54 nM - data from 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