X-ray diffraction
3.5Å resolution

X-ray crystal structure of AcrB in complex with a novel transmembrane helix.


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Multidrug efflux pump subunit AcrB Chain: A
Sec translocon accessory complex subunit YajC Chain: B
Molecule details ›
Chain: B
Length: 37 amino acids
Theoretical weight: 4.45 KDa
Source organism: Escherichia coli
  • Canonical: P0ADZ7 (Residues: 19-55; Coverage: 34%)
Gene names: JW0397, b0407, yajC
Sequence domains: Preprotein translocase subunit

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: R32
Unit cell:
a: 145.097Å b: 145.097Å c: 511.644Å
α: 90° β: 90° γ: 120°
R R work R free
0.279 0.279 0.317