1KF6 Oxidoreductase date Nov 19, 2001
title E. Coli Quinol-Fumarate Reductase With Bound Inhibitor Hqno
authors T.M.Iverson, C.Luna-Chavez, L.R.Croal, G.Cecchini, D.C.Rees
compound source
Molecule: Fumarate Reductase Flavoprotein
Chain: A, M
Ec: 1.3.99.1
Engineered: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfa

Molecule: Fumarate Reductase Iron-Sulfur Protein
Chain: B, N
Ec: 1.3.99.1
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfa

Molecule: Fumarate Reductase 15 Kda Hydrophobic Protein
Chain: C, O
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfa

Molecule: Fumarate Reductase 13 Kda Hydrophobic Protein
Chain: D, P
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfa
symmetry Space Group: P 21 21 21
R_factor 0.231 R_Free 0.280
crystal
cell
length a length b length c angle alpha angle beta angle gamma
96.505 137.836 273.451 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.70 Å
ligand 1PE, ACT, CE1, F3S, FAD, FES, HQO, K, OAA, SF4 enzyme Oxidoreductase E.C.1.3.99.1 BRENDA
note 1KF6 is a representative structure
Gene
Ontology
ChainFunctionProcessComponent
A, M


D, P


N, B
  • electron transfer activity


    • O, C


    Primary referenceCrystallographic studies of the Escherichia coli quinol-fumarate reductase with inhibitors bound to the quinol-binding site., Iverson TM, Luna-Chavez C, Croal LR, Cecchini G, Rees DC, J Biol Chem 2002 May 3;277(18):16124-30. PMID:11850430
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (350 Kb) [Save to disk]
  • Biological Unit Coordinates (1kf6.pdb1.gz) 172 Kb
  • Biological Unit Coordinates (1kf6.pdb2.gz) 175 Kb
  • Biological Unit Coordinates (1kf6.pdb3.gz) 341 Kb
  • LPC: Ligand-Protein Contacts for 1KF6
  • CSU: Contacts of Structural Units for 1KF6
  • Likely Quarternary Molecular Structure file(s) for 1KF6
  • Retrieve 1KF6 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KF6 from S2C, [Save to disk]
    • View 1KF6 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 1KF6
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1KF6, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kf6a2, region A:0-225,A:358-442 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6a3, region A:226-357 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6a1, region A:443-576 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6b2, region B:1-105 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6b1, region B:106-243 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1kf6d_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1kf6m2, region M:0-225,M:358-442 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6m3, region M:226-357 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6m1, region M:443-576 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6n2, region N:1-105 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6n1, region N:106-243 [Jmol] [rasmolscript] [script source]
        - Domain d1kf6o_, region O [Jmol] [rasmolscript] [script source]
        - Domain d1kf6p_, region P [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: [1kf6_D] [1kf6_P] [1kf6_B] [1kf6] [1kf6_N] [1kf6_C] [1kf6_O] [1kf6_A] [1kf6_M]
  • SWISS-PROT database: [P00363] [P0AC47] [P0A8Q0] [P0A8Q3]
  • Domain organization of [FRDA_ECOLI] [FRDB_ECOLI] [FRDC_ECOLI] [FRDD_ECOLI] by SWISSPFAM
    • Other resources with information on 1KF6
  • Community annotation for 1KF6 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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  • Images from IMB Jena Image Library of Biological Macromolecules.

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