1PO3 Membrane Protein date Jun 13, 2003
title Crystal Structure Of Ferric Citrate Transporter Feca In Comp Ferric Citrate
authors W.W.Yue, S.Grizot, S.K.Buchanan
compound source
Molecule: Iron(III) Dicitrate Transport Protein Feca Precur
Chain: A, B
Fragment: Feca Residues 95-741
Engineered: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Feca Or B4291
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet20b
symmetry Space Group: P 1 21 1
R_factor 0.239 R_Free 0.314
crystal
cell
length a length b length c angle alpha angle beta angle gamma
85.489 147.003 96.131 90.00 110.58 90.00
method X-Ray Diffractionresolution 3.40 Å
ligand FE, FLC enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • ferric iron transmembrane tr...
  • siderophore uptake transmemb...


    • Primary referenceStructural evidence for iron-free citrate and ferric citrate binding to the TonB-dependent outer membrane transporter FecA., Yue WW, Grizot S, Buchanan SK, J Mol Biol 2003 Sep 12;332(2):353-68. PMID:12948487
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (194 Kb) [Save to disk]
  • Biological Unit Coordinates (1po3.pdb1.gz) 95 Kb
  • Biological Unit Coordinates (1po3.pdb2.gz) 95 Kb
  • LPC: Ligand-Protein Contacts for 1PO3
  • CSU: Contacts of Structural Units for 1PO3
  • Likely Quarternary Molecular Structure file(s) for 1PO3
  • Structure Factors (283 Kb)
  • Retrieve 1PO3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1PO3 from S2C, [Save to disk]
  • Re-refined 1po3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1PO3 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 1PO3
  • 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 1PO3, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1po3a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1po3b_, region B [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: [1po3_B] [1po3_A] [1po3]
  • SWISS-PROT database: [P13036]
  • Belongs to the outer membrane receptor (omr) family according to TCDB.
  • Domain organization of [FECA_ECOLI] by SWISSPFAM
  • Domain found in 1PO3: [STN ] by SMART
    • Other resources with information on 1PO3
  • Community annotation for 1PO3 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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