1AQI Methyltransferase date Jul 25, 1996
title Structure Of Adenine-N6-Dna-Methyltransferase Taqi
authors G.Schluckebier, W.Saenger
compound source
Molecule: Adenine-N6-Dna-Methyltransferase Taqi
Chain: A, B
Ec: 2.1.1.72
Engineered: Yes
Organism_scientific: Thermus Aquaticus
Organism_taxid: 271
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Er1821
Expression_system_plasmid: Ppr594
symmetry Space Group: P 21 21 2
R_factor 0.219 R_Free 0.281
crystal
cell
length a length b length c angle alpha angle beta angle gamma
132.080 144.060 53.440 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand SAH enzyme Transferase E.C.2.1.1.72 BRENDA
related structures by homologous chain: 1AQJ
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • site-specific DNA-methyltran...


  • Primary referenceDifferential binding of S-adenosylmethionine S-adenosylhomocysteine and Sinefungin to the adenine-specific DNA methyltransferase M.TaqI., Schluckebier G, Kozak M, Bleimling N, Weinhold E, Saenger W, J Mol Biol 1997 Jan 10;265(1):56-67. PMID:8995524
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (130 Kb) [Save to disk]
  • Biological Unit Coordinates (1aqi.pdb1.gz) 64 Kb
  • Biological Unit Coordinates (1aqi.pdb2.gz) 65 Kb
  • LPC: Ligand-Protein Contacts for 1AQI
  • CSU: Contacts of Structural Units for 1AQI
  • Likely Quarternary Molecular Structure file(s) for 1AQI
  • Structure Factors (230 Kb)
  • Retrieve 1AQI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1AQI from S2C, [Save to disk]
  • Re-refined 1aqi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1AQI in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1AQI
  • 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
  • 3D motif for 1AQI, from MSDmotif at EBI
  • Genome occurence of 1AQI's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1aqia1, region A:21-243 [Jmol] [rasmolscript] [script source]
        - Domain d1aqia2, region A:244-413 [Jmol] [rasmolscript] [script source]
        - Domain d1aqib1, region B:21-243 [Jmol] [rasmolscript] [script source]
        - Domain d1aqib2, region B:244-413 [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1aqi_B] [1aqi_A] [1aqi]
  • SWISS-PROT database: [P14385]
  • Domain organization of [MTTA_THEAQ] by SWISSPFAM
  • Other resources with information on 1AQI
  • Community annotation for 1AQI at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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