1V4B Oxidoreductase date Nov 12, 2003
title The Crystal Structure Of Azor (Azo Reductase) From Escherich Oxidized Form
authors K.Ito, M.Tanokura
compound source
Molecule: Nadh-Azoreductase, Fmn-Dependent
Chain: A
Synonym: Azo Reductase, Azor
Ec: 1.7.1.6
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet21a
symmetry Space Group: P 42 21 2
R_factor 0.192 R_Free 0.234
crystal
cell
length a length b length c angle alpha angle beta angle gamma
92.185 92.185 51.848 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand EDO, FMN, IPA enzyme Oxidoreductase E.C.1.7.1.6 BRENDA
related structures by homologous chain: 1T5B, 1TIK
Gene
Ontology
ChainFunctionProcessComponent
A
  • electron transfer activity


  • Primary referenceThree-dimensional structure of AzoR from Escherichia coli. An oxidereductase conserved in microorganisms., Ito K, Nakanishi M, Lee WC, Sasaki H, Zenno S, Saigo K, Kitade Y, Tanokura M, J Biol Chem. 2006 Jul 21;281(29):20567-76. Epub 2006 May 9. PMID:16684776
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk]
  • Biological Unit Coordinates (1v4b.pdb1.gz) 66 Kb
  • LPC: Ligand-Protein Contacts for 1V4B
  • CSU: Contacts of Structural Units for 1V4B
  • Likely Quarternary Molecular Structure file(s) for 1V4B
  • Structure Factors (166 Kb)
  • Retrieve 1V4B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1V4B from S2C, [Save to disk]
  • Re-refined 1v4b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1V4B 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 1V4B
  • 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 1V4B, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1v4b_A] [1v4b]
  • SWISS-PROT database: [P41407]
  • Domain organization of [AZOR_ECOLI] by SWISSPFAM
  • Other resources with information on 1V4B
  • Community annotation for 1V4B 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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