1AOQ Oxidoreductase date Jul 09, 1997
title Cytochrome Cd1 Nitrite Reductase With Substrate And Product Bound
authors P.A.Williams, V.Fulop
compound source
Molecule: Nitrite Reductase
Chain: A, B
 Organism_scientific: Paracoccus Pantotrophus
Organism_taxid: 82367
Cellular_location: Periplasm
symmetry Space Group: P 1 21 1
R_factor 0.176 R_Free 0.197
crystal
cell
length a length b length c angle alpha angle beta angle gamma
106.700 60.600 100.100 90.00 112.30 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand 2NO, DHE, HEM, NO enzyme
related structures by homologous chain: 1AOM, 1HJ4
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • electron transfer activity


    • Primary referenceHaem-ligand switching during catalysis in crystals of a nitrogen-cycle enzyme., Williams PA, Fulop V, Garman EF, Saunders NF, Ferguson SJ, Hajdu J, Nature 1997 Sep 25;389(6649):406-12. PMID:9311786
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (206 Kb) [Save to disk]
  • Biological Unit Coordinates (1aoq.pdb1.gz) 200 Kb
  • LPC: Ligand-Protein Contacts for 1AOQ
  • CSU: Contacts of Structural Units for 1AOQ
  • Likely Quarternary Molecular Structure file(s) for 1AOQ
  • Structure Factors (1029 Kb)
  • Retrieve 1AOQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1AOQ from S2C, [Save to disk]
  • Re-refined 1aoq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1AOQ 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 1AOQ
  • 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 1AOQ, from MSDmotif at EBI
  • Genome occurence of 1AOQ's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1aoqa2, region A:134-567 [Jmol] [rasmolscript] [script source]
        - Domain d1aoqa1, region A:17-133 [Jmol] [rasmolscript] [script source]
        - Domain d1aoqb2, region B:134-567 [Jmol] [rasmolscript] [script source]
        - Domain d1aoqb1, region B:9-133 [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: [1aoq_A] [1aoq] [1aoq_B]
  • SWISS-PROT database: [P72181]
  • Domain organization of [NIRS_PARPN] by SWISSPFAM
    • Other resources with information on 1AOQ
  • Community annotation for 1AOQ 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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