4e2l

X-ray diffraction
2.8Å resolution

Crystal Structure of the periplasmic domain of mutant FepE LPS O-antigen chain length regulator protein

Released:
Model geometry
Fit model/data

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo nonamer (preferred)
PDBe Complex ID:
PDB-CPX-186879 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Polysaccharide chain length determinant N-terminal domain-containing protein Chains: A, B, C, D, E, F, G, H, I
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I
Length: 271 amino acids
Theoretical weight: 30.89 KDa
Source organism: Escherichia coli O157:H7
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8XBV8 (Residues: 65-257, 265-331; Coverage: 69%)
Gene names: ECs_0626, fepE
Sequence domains: Chain length determinant protein
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: C2
Unit cell:
a: 208.307Å b: 141.257Å c: 136.888Å
α: 90° β: 107.03° γ: 90°
R-values:
R R work R free
0.244 0.242 0.289
Expression system: Escherichia coli BL21(DE3)