2IH2

Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing 5-methylpyrimidin-2(1H)-one at the target base partner position


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.61 Å
  • R-Value Free: 0.195 
  • R-Value Work: 0.160 
  • R-Value Observed: 0.162 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Influence of the target base partner on the methylation rate of the adenine-specific DNA methyltransferase M.TaqI

Lenz, T.Scheidig, A.J.Weinhold, E.

To be published.

Macromolecules

Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Modification methylase TaqIAD421Thermus aquaticusMutation(s): 0 
Gene Names: taqIM
EC: 2.1.1.72
Find proteins for P14385 (Thermus aquaticus)
Explore P14385 
Go to UniProtKB:  P14385
Protein Feature View
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  • Reference Sequence
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  • Entity ID: 1
    MoleculeChainsLengthOrganismImage
    5'-D(*GP*TP*TP*CP*GP*AP*TP*GP*TP*C)-3'B, E10N/A
    • Find similar nucleic acids by:  Sequence   |   Structure
    • Entity ID: 2
      MoleculeChainsLengthOrganismImage
      5'-D(*GP*AP*CP*AP*(5PY)P*CP*GP*(6MA)P*AP*C)-3'C, F10N/A
      Small Molecules
      Ligands 2 Unique
      IDChainsName / Formula / InChI Key2D Diagram3D Interactions
      NEA
      Query on NEA

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      A, D
      5'-DEOXY-5'-[2-(AMINO)ETHYLTHIO]ADENOSINE
      C12 H18 N6 O3 S
      APAPOJUCRZTCHD-WOUKDFQISA-N
       Ligand Interaction
      GOL
      Query on GOL

      Download CCD File 
      A, C, D
      GLYCEROL
      C3 H8 O3
      PEDCQBHIVMGVHV-UHFFFAOYSA-N
       Ligand Interaction
      Experimental Data & Validation

      Experimental Data

      • Method: X-RAY DIFFRACTION
      • Resolution: 1.61 Å
      • R-Value Free: 0.195 
      • R-Value Work: 0.160 
      • R-Value Observed: 0.162 
      • Space Group: P 1 21 1
      Unit Cell:
      Length ( Å )Angle ( ˚ )
      a = 59.439α = 90
      b = 68.875β = 92.27
      c = 114.349γ = 90
      Software Package:
      Software NamePurpose
      REFMACrefinement
      ProDCdata collection
      MAR345data collection
      XDSdata scaling
      MOLREPphasing

      Structure Validation

      View Full Validation Report



      Entry History 

      Deposition Data

      Revision History 

      • Version 1.0: 2007-11-13
        Type: Initial release
      • Version 1.1: 2011-07-13
        Changes: Non-polymer description, Version format compliance
      • Version 1.2: 2017-10-18
        Changes: Refinement description