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CRYSTAL STRUCTURE OF BINARY COMPLEX OF 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE WITH ADENOSINE-5'-DIPHOSPHATE
1EQM
Primary Citation
 
 
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  •   Molecular Description Hide
    Classification: Transferase
    Structure Weight: 18513.18
    Molecule: 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE
    Polymer: 1 Type: protein Length: 158
    Chains: A
    EC#: 2.7.6.3   
    Organism Escherichia coli
    Gene Names folK b0142 JW0138
    UniProtKB:   Protein Feature View | Search PDB | P26281  
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Escherichia coli   Taxonomy   Expression System: Escherichia coli bl21(de3)  
     
  •   Related PDB Entries Hide
    Identifier Details
    1CBK  1CBK is the crystal structure of binary complex of HPPK from Haemophilus influenzae with a 6-hydroxymethyl-7,8-dihydropterin analog. 
    1DY3  1DY3 is the crystal structure of ternary complex of HPPK from E. coli with MgATP and a 6-hydroxymethyl-7,8-dihydropterin analog. 
    1EQ0  1EQ0 is the solution structure of binary complex of HPPK from E. coli with MgAMPPCP. 
    1EQO  1EQO is the crystal structure of ternary complex of HPPK from E. coli with MgAMPCPP and 6-hydroxymethyl-7,8-dihydropterin 
    1HKA  1HKA is the crystal structure of unliganded HPPK from E. coli. 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name Interactions
    ADP
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    ADP C10 H15 N5 O10 P2
    ADENOSINE-5'-DIPHOSPHATE
    ADP:1EQM
    MG
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    MG Mg
    MAGNESIUM ION
    PO4
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    PO4 O4 P
    PHOSPHATE ION
     
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Data in orange boxes are gathered from external resources (when available).
 
 
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  •   Deposition Summary Hide
    Authors:   Xiao, B.,  Blaszczyk, J.,  Ji, X.

    Deposition:   2000-04-05
    Release:   2001-04-05
    Last Modified (REVDAT):   2009-02-24
     
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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]:   1.50
    R-Value: 0.191 (obs.)
    R-Free: 0.262
    Space Group: C 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 79.14 α = 90.00 
    b = 52.80 β = 103.43 
    c = 36.64 γ = 90.00