4wls

X-ray diffraction
2.1Å resolution

Crystal structure of the metal-free (repressor) form of E. Coli CUER, a copper efflux regulator, bound to COPA promoter DNA

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-118226 (preferred)
Entry contents:
1 distinct polypeptide molecule
4 distinct DNA molecules
Macromolecules (5 distinct):
HTH-type transcriptional regulator CueR Chains: A, B
Molecule details ›
Chains: A, B
Length: 128 amino acids
Theoretical weight: 14.6 KDa
Source organism: Escherichia coli DH5[alpha]
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A9G4 (Residues: 1-128; Coverage: 95%)
Gene names: JW0476, b0487, copR, cueR, ybbI
Sequence domains:
Structure domains: Multidrug-efflux Transporter Regulator; Chain: A; Domain 2
COPA PROMOTER DNA NON-TEMPLATE STRAND Chain: X
Molecule details ›
Chain: X
Length: 26 nucleotides
Theoretical weight: 7.95 KDa
Source organism: synthetic construct
Expression system: Not provided
COPA PROMOTER DNA TEMPLATE STRAND Chain: Y
Molecule details ›
Chain: Y
Length: 26 nucleotides
Theoretical weight: 8.03 KDa
Source organism: synthetic construct
Expression system: Not provided
COPA PROMOTER DNA TEMPLATE STRAND (ALTERNATE CONFORMATION) Chain: U
Molecule details ›
Chain: U
Length: 26 nucleotides
Theoretical weight: 8.04 KDa
Source organism: synthetic construct
Expression system: Not provided
COPA PROMOTER DNA NON-TEMPLATE STRAND (ALTERNATE CONFORMATION) Chain: V
Molecule details ›
Chain: V
Length: 26 nucleotides
Theoretical weight: 7.94 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P212121
Unit cell:
a: 52.194Å b: 63.653Å c: 130.205Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.214 0.212 0.264
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided