2IBT Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing 2-aminopurine at the target position and an abasic site analog at the target base partner position date
authors Lenz, T., Scheidig, A.J., Weinhold, E.
compound source
R_Free 0.20322
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 1.70
ligand 2PR, 3DR, 6MA, GOL, NEA enzyme
A, D
  • site-specific DNA-methyltran...

  • Primary reference2-Aminopurine Flipped into the Active Site of the Adenine-Specific DNA Methyltransferase M.TaqI: Crystal Structures and Time-Resolved Fluorescence., Lenz T, Bonnist EY, Pljevaljcic G, Neely RK, Dryden DT, Scheidig AJ, Jones AC, Weinhold E, J Am Chem Soc. 2007 May 16;129(19):6240-6248. Epub 2007 Apr 25. PMID:17455934
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (175 Kb) [Save to disk]
  • Biological Unit Coordinates (2ibt.pdb1.gz) 85 Kb
  • Biological Unit Coordinates (2ibt.pdb2.gz) 86 Kb
  • LPC: Ligand-Protein Contacts for 2IBT
  • CSU: Contacts of Structural Units for 2IBT
  • Likely Quarternary Molecular Structure file(s) for 2IBT
  • Structure Factors (581 Kb)
  • Retrieve 2IBT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2IBT from S2C, [Save to disk]
  • Re-refined 2ibt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
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  • Visual 3D analysis of 2IBT
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2IBT, from MSDmotif at EBI
  • Fold representative 2ibt from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ibt_C] [2ibt_A] [2ibt_F] [2ibt_D] [2ibt] [2ibt_E] [2ibt_B]
  • SWISS-PROT database: [P14385]
  • Domain organization of [MTTA_THEAQ] by SWISSPFAM
  • Other resources with information on 2IBT
  • Community annotation for 2IBT at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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  • Images from IMB Jena Image Library of Biological Macromolecules.

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