1KBQ Oxidoreductase date Nov 06, 2001
title Complex Of Human Nad(P)H Quinone Oxidoreductase With 5- Methoxy-1,2-Dimethyl-3-(4-Nitrophenoxymethyl)Indole-4,7- Dione (Es936)
authors M.Faig, M.A.Bianchet, L.M.Amzel
compound source
Molecule: Nad(P)H Dehydrogenase [Quinone] 1
Chain: A, B, C, D
Synonym: Quinone Reductase 1, Dt-Diaphorase, Qr1, Dtd, Azoreductase, Phylloquinone Reductase, Menadione Reductase;
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 0.215 R_Free 0.252
length a length b length c angle alpha angle beta angle gamma
55.480 56.772 96.907 77.25 76.83 86.90
method X-Ray Diffractionresolution 1.80 Å
ligand 936, FAD enzyme Oxidoreductase E.C. BRENDA
related structures by homologous chain: 1D4A, 1H69
A, D, C, B
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  • Primary referenceCharacterization of a mechanism-based inhibitor of NAD(P)H:quinone oxidoreductase 1 by biochemical, X-ray crystallographic, and mass spectrometric approaches., Winski SL, Faig M, Bianchet MA, Siegel D, Swann E, Fung K, Duncan MW, Moody CJ, Amzel LM, Ross D, Biochemistry 2001 Dec 18;40(50):15135-42. PMID:11735396
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (197 Kb) [Save to disk]
  • Biological Unit Coordinates (1kbq.pdb1.gz) 97 Kb
  • Biological Unit Coordinates (1kbq.pdb2.gz) 97 Kb
  • LPC: Ligand-Protein Contacts for 1KBQ
  • CSU: Contacts of Structural Units for 1KBQ
  • Likely Quarternary Molecular Structure file(s) for 1KBQ
  • Retrieve 1KBQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KBQ from S2C, [Save to disk]
  • View 1KBQ in 3D
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  • 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 1KBQ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1KBQ, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kbqa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1kbqb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1kbqc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1kbqd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1kbq 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: [1kbq] [1kbq_A] [1kbq_D] [1kbq_B] [1kbq_C]
  • SWISS-PROT database: [P15559]
  • Domain organization of [NQO1_HUMAN] by SWISSPFAM
  • Other resources with information on 1KBQ
  • Community annotation for 1KBQ at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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