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X-ray Structure of the E224Q mutant of TcaB9, a C-3'-Methyltransferase, in Complex with S-Adenosyl-L-Homocysteine and Sugar Product
4E2Y
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  •   Molecular Description Hide
    Classification: Transferase
    Structure Weight: 47083.55
    Molecule: TcaB9
    Polymer: 1 Type: protein Length: 416
    Chains: A
    EC#: 2.1.1   
    Mutation: E224Q
    Organism Micromonospora chalcea
    UniProtKB:   Protein Feature View | Search PDB | B5L6K6  
     
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    Polymer: 1
    Scientific Name: Micromonospora chalcea   Taxonomy   Expression System: Escherichia coli  
     
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    Identifier Details
    4E2W  H181N Mutant C-3'-Methyltransferase TcaB9 
    4E2X  Y222F Mutant C-3'-Methyltransferase TcaB9 
    4E2Z  H225N Mutant C-3'-Methyltransferase TcaB9 
    4E30  H181N/E224Q Double Mutant C-3'-Methyltransferase TcaB9 
    4E31  Y76F Mutant C-3'-Methyltransferase TcaB9 
    4E32  Wild-Type C-3'-Methyltransferase TcaB9 Complexed with SAH and dTDP-sugar substrate 
    4E33  Wild-Type C-3'-Methyltransferase TcaB9 Complexed with SAH and reduced dTDP-sugar substrate 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name Interactions
    JHZ
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    JHZ C17 H27 N3 O13 P2
    (2R,4S,6R)-4-amino-4,6-dimethyl-5-oxotetrahydro- 2H-pyran-2-yl [(2R,3S,5R)-3-hydroxy-5-(5- methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)- yl)tetrahydrofuran-2-yl]methyl dihydrogen diphosphate (non- preferred name)
    SAH
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    SAH C14 H20 N6 O5 S
    S-ADENOSYL-L-HOMOCYSTEINE
    SAH:4E2Y
    ZN
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    ZN Zn
    ZINC ION
     
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Data in orange boxes are gathered from external resources (when available).
 
  Biological Assembly       
Biological assembly 1 assigned by authors and generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Bruender, N.A.,  Holden, H.M.

    Deposition:   2012-03-09
    Release:   2012-04-25
    Last Modified (REVDAT):   2012-05-30
     
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    2012-05-30
    Citation
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   1.80
    R-Value: 0.178 (obs.)
    R-Free: 0.218
    Space Group: P 21 21 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 100.36 α = 90.00 
    b = 114.99 β = 90.00 
    c = 38.02 γ = 90.00