› 3tlk

X-ray diffraction
1.85Å resolution

Crystal structure of holo FepB

Released:
DOI: 10.2210/pdb3tlk/pdb
PDB entry 3tlk coloured by chain, front view.
PDB entry 3tlk coloured by chain, side view.
PDB entry 3tlk coloured by chain, top view.
Source organism: Escherichia coli K-12
Entry authors: Li N, Gu L

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142475 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ferric enterobactin-binding periplasmic protein FepB Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 326 amino acids
Theoretical weight: 35.39 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AEL6 (Residues: 1-318; Coverage: 100%)
Gene names: JW0584, b0592, fepB
Sequence domains: Periplasmic binding protein
Structure domains: Nitrogenase molybdenum iron protein domain

Ligands and Environments

3 bound ligands:
Ligand FE 4 x FE
Ligand EB4 4 x EB4
Ligand DIO 3 x DIO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: C2221
Unit cell:
a: 74.024Å b: 131.591Å c: 196.113Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.18 0.179 0.217
Expression system: Escherichia coli

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