1KMP

Crystal structure of the Outer Membrane Transporter FecA Complexed with Ferric Citrate


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.282
  • R-Value Work: 0.242

Literature

Macromolecules
Sequence Display for 1KMP

Classification: MEMBRANE PROTEIN

Total Structure Weight: 90276.06

Macromolecule Entities
Molecule Chains Length Organism Details
IRON(III) DICITRATE TRANSPORT PROTEIN FECA A 774 Escherichia coli Details: FERRIC CITRATE UPTAKE RECEPTOR
Gene Name(s): fecA b4291 JW4251
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: inferred by homology | Group: BETA-BARREL

Subgroup Name: Beta-Barrel Membrane Proteins: Monomeric/Dimeric

Protein Name: FecA, siderophore transporter


Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
LDA
Query on LDA

A LAURYL DIMETHYLAMINE-N-OXIDE
C14 H31 N O
SYELZBGXAIXKHU-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CIT
Query on CIT

A CITRIC ACID
C6 H8 O7
KRKNYBCHXYNGOX-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
FE
Query on FE

A FE (III) ION
Fe
VTLYFUHAOXGGBS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
MSE
Query on MSE
A L-PEPTIDE LINKING C5 H11 N O2 Se MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.282
  • R-Value Work: 0.242
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 117.47 α = 90.00
b = 88.76 β = 90.00
c = 95.07 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-12-17
  • Released Date: 2002-03-06
  • Deposition author(s): Ferguson, A.D., Chakraborty, R., Smith, B.S., Esser, L., van der Helm, D., Deisenhofer, J.

Revision History

  • 2008-04-27
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance
  • 2011-11-02
    Type: Non-polymer description