1QWI Hydroperoxide Reductase date Sep 02, 2003
title Crystal Structure Of E. Coli Osmc
authors J.Lesniak, W.A.Barton, D.B.Nikolov
compound source
Molecule: Osmotically Inducible Protein
Chain: A, B, C, D
Synonym: Osmc
Engineered: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Strain: 0157:H7 Edl399
Gene: Osmc
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1 21 1
R_factor 0.222 R_Free 0.239
crystal
cell
length a length b length c angle alpha angle beta angle gamma
65.747 64.229 67.585 90.00 92.62 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand MSE enzyme
related structures by homologous chain: 1NYE
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B
  • peroxidase activity
  • antioxidant activity
  • peroxiredoxin activity


    • Primary referenceStructural and functional features of the Escherichia coli hydroperoxide resistance protein OsmC., Lesniak J, Barton WA, Nikolov DB, Protein Sci 2003 Dec;12(12):2838-43. PMID:14627744
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk]
  • Biological Unit Coordinates (1qwi.pdb1.gz) 48 Kb
  • Biological Unit Coordinates (1qwi.pdb2.gz) 47 Kb
  • LPC: Ligand-Protein Contacts for 1QWI
  • CSU: Contacts of Structural Units for 1QWI
  • Likely Quarternary Molecular Structure file(s) for 1QWI
  • Retrieve 1QWI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QWI from S2C, [Save to disk]
    • View 1QWI 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 1QWI
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1QWI, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qwia_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1qwib_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1qwic_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1qwid_, region D [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: [1qwi_D] [1qwi_B] [1qwi_C] [1qwi_A] [1qwi]
  • SWISS-PROT database: [P0C0L2]
  • Domain organization of [OSMC_ECOLI] by SWISSPFAM
    • Other resources with information on 1QWI
  • Community annotation for 1QWI 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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