4v2g

X-ray diffraction
2.71Å resolution

Tetracycline repressor TetR(D) bound to chlortetracycline and iso- chlortetracycline

Released:
Source organism: Escherichia coli

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-142298 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tetracycline repressor protein class D Chains: A, B
Molecule details ›
Chains: A, B
Length: 207 amino acids
Theoretical weight: 23.29 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0ACT4 (Residues: 2-208; Coverage: 95%)
Gene name: tetR
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ENRAF-NONIUS FR571
Spacegroup: P43212
Unit cell:
a: 69.249Å b: 69.249Å c: 182.373Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.182 0.175 0.252
Expression system: Escherichia coli K-12