1QTW Hydrolase date Jun 29, 1999
title High-Resolution Crystal Structure Of The Escherichia Coli Dn Enzyme Endonuclease Iv
authors D.J.Hosfield, Y.Guan, B.J.Haas, R.P.Cunningham, J.A.Tainer
compound source
Molecule: Endonuclease Iv
Chain: A
Ec: 3.1.21.2
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1 21 1
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
49.620 59.560 50.980 90.00 110.94 90.00
method X-Ray Diffractionresolution 1.02 Å
ligand ZN enzyme Hydrolase E.C.3.1.21.2 BRENDA
note 1QTW is a representative structure
related structures by homologous chain: 1QUM
Gene
Ontology
ChainFunctionProcessComponent
A
  • nuclease activity
  • endonuclease activity


  • Primary referenceStructure of the DNA repair enzyme endonuclease IV and its DNA complex: double-nucleotide flipping at abasic sites and three-metal-ion catalysis., Hosfield DJ, Guan Y, Haas BJ, Cunningham RP, Tainer JA, Cell 1999 Aug 6;98(3):397-408. PMID:10458614
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (148 Kb) [Save to disk]
  • Biological Unit Coordinates (1qtw.pdb1.gz) 144 Kb
  • LPC: Ligand-Protein Contacts for 1QTW
  • CSU: Contacts of Structural Units for 1QTW
  • Likely Quarternary Molecular Structure file(s) for 1QTW
  • Retrieve 1QTW in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QTW from S2C, [Save to disk]
  • View 1QTW 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 1QTW
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1QTW from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1QTW, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qtwa_, region A [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: [1qtw] [1qtw_A]
  • SWISS-PROT database: [P0A6C1]
  • Domain organization of [END4_ECOLI] by SWISSPFAM
  • Domain found in 1QTW: [AP2Ec ] by SMART
  • Other resources with information on 1QTW
  • Community annotation for 1QTW 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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