1D4A Oxidoreductase date Oct 01, 1999
title Crystal Structure Of Human Nad[P]H-Quinone Oxidoreductase At Resolution
authors M.Faig, M.A.Bianchet, S.Chen, S.Winski, D.Ross, L.M.Amzel
compound source
Molecule: Quinone Reductase
Chain: A, B, C, D
Synonym: Dt-Diaphorase
Ec: 1.6.99.2
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1
R_factor 0.209 R_Free 0.253
crystal
cell
length a length b length c angle alpha angle beta angle gamma
55.678 57.032 97.402 77.04 76.72 86.89
method X-Ray Diffractionresolution 1.70 Å
ligand FAD enzyme Oxidoreductase E.C.1.6.99.2 BRENDA
related structures by homologous chain: 1KBQ
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B
  • superoxide dismutase activit...


  • Primary referenceStructures of recombinant human and mouse NAD(P)H:quinone oxidoreductases: species comparison and structural changes with substrate binding and release., Faig M, Bianchet MA, Talalay P, Chen S, Winski S, Ross D, Amzel LM, Proc Natl Acad Sci U S A. 2000 Mar 28;97(7):3177-82. PMID:10706635
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (194 Kb) [Save to disk]
  • Biological Unit Coordinates (1d4a.pdb1.gz) 96 Kb
  • Biological Unit Coordinates (1d4a.pdb2.gz) 97 Kb
  • LPC: Ligand-Protein Contacts for 1D4A
  • CSU: Contacts of Structural Units for 1D4A
  • Likely Quarternary Molecular Structure file(s) for 1D4A
  • Structure Factors (793 Kb)
  • Retrieve 1D4A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1D4A from S2C, [Save to disk]
  • Re-refined 1d4a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1D4A 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 1D4A
  • 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 1D4A, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1d4aa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1d4ab_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1d4ac_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1d4ad_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1d4a from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1d4a_D] [1d4a] [1d4a_B] [1d4a_C] [1d4a_A]
  • SWISS-PROT database: [P15559]
  • Domain organization of [NQO1_HUMAN] by SWISSPFAM
  • Other resources with information on 1D4A
  • Community annotation for 1D4A 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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