3b62

X-ray diffraction
4.4Å resolution

EmrE multidrug transporter in complex with P4P, P21 crystal form

Released:
Source organism: Escherichia coli K-12
Primary publication:
X-ray structure of EmrE supports dual topology model.
Proc Natl Acad Sci U S A 104 18999-9004 (2007)
PMID: 18024586

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-150097 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Multidrug transporter EmrE Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 110 amino acids
Theoretical weight: 11.96 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P23895 (Residues: 1-110; Coverage: 100%)
Gene names: JW0531, b0543, eb, emrE, mvrC
Sequence domains: Small Multidrug Resistance protein

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P21
Unit cell:
a: 76.5Å b: 42.7Å c: 115.4Å
α: 90° β: 109.1° γ: 90°
R-values:
R R work R free
0.343 0.343 0.364
Expression system: Escherichia coli BL21(DE3)