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 

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: Sequence  |  Structure


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
Entity ID: 1
MoleculeChainsLengthOrganism
5'-D(*GP*TP*TP*CP*GP*AP*TP*GP*TP*C)-3'B,E10N/A
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
GOL
Query on GOL

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Download CCD File 
A, C, D
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
NEA
Query on NEA

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Download CCD File 
A, D
5'-DEOXY-5'-[2-(AMINO)ETHYLTHIO]ADENOSINE
C12 H18 N6 O3 S
APAPOJUCRZTCHD-WOUKDFQISA-N
 Ligand Interaction
Modified Residues  2 Unique
IDChainsTypeFormula2D DiagramParent
5PY
Query on 5PY
C, F
DNA LINKINGC10 H15 N2 O7 PDT
6MA
Query on 6MA
C, F
DNA LINKINGC11 H16 N5 O6 PA
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.61 Å
  • R-Value Free: 0.195 
  • R-Value Work: 0.160 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 59.439α = 90.00
b = 68.875β = 92.27
c = 114.349γ = 90.00
Software Package:
Software NamePurpose
MAR345data collection
ProDCdata collection
MOLREPphasing
REFMACrefinement
XDSdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

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