PDBe 1ek9

X-ray diffraction
2.1Å resolution

2.1A X-RAY STRUCTURE OF TOLC: AN INTEGRAL OUTER MEMBRANE PROTEIN AND EFFLUX PUMP COMPONENT FROM ESCHERICHIA COLI

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Outer membrane protein TolC Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 428 amino acids
Theoretical weight: 47.24 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P02930 (Residues: 23-450; Coverage: 91%)
Gene names: JW5503, b3035, colE1-i, mtcB, mukA, refI, toc, tolC, weeA
Sequence domains: Outer membrane efflux protein
Structure domains: Outer membrane efflux proteins (OEP)

Ligands and Environments

No bound ligands

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: R3
Unit cell:
a: 265.049Å b: 265.049Å c: 95.959Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.208 0.208 0.257
Expression system: Escherichia coli