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

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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
Modification methylase TaqI
A, D
421Thermus aquaticusMutation(s): 0 
Gene Names: taqIM
EC: 2.1.1.72
Find proteins for P14385 (Thermus aquaticus)
Go to UniProtKB:  P14385
  • Find similar nucleic acids by: Sequence   |   Structure
Entity ID: 1
MoleculeChainsLengthOrganism
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
MoleculeChainsLengthOrganism
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